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QUESADA-HIDALGO, ROSANNETTE ; SOLANO-BRENES, DIEGO ; REQUENA, GUSTAVO S. ; MACHADO, GLAUCO . The good fathers: efficiency of male care and the protective role of foster parents in a Neotropical arachnid. ANIMAL BEHAVIOUR , v. 150, p. 147-155, 2019.
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ROJAS, ANDRÉS ; SOLANO-BRENES, DIEGO ; MUNIZ, DANILO G ; MACHADO, GLAUCO . Gone with the rain: negative effects of rainfall on male reproductive success in a nest-building arachnid. BEHAVIORAL ECOLOGY , v. 30, p. 1145-1156, 2019.
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MUNIZ, DANILO G. ; MACHADO, GLAUCO . Mate sampling influences the intensity of sexual selection and the evolution of costly sexual ornaments. JOURNAL OF THEORETICAL BIOLOGY , v. 447, p. 74-83, 2018.
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GARCÍA-HERNÁNDEZ, SOLIMARY ; MACHADO, GLAUCO . Convergent fighting behavior in two species of Neotropical harvestmen (Opiliones): insights on the evolution of maternal care and resource defense polygyny. JOURNAL OF ARACHNOLOGY , v. 46, p. 165-169, 2018.
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MUNIZ, DANILO G. ; BAENA, MARTHA L. ; MACÍAS-ORDÓÑEZ, ROGELIO ; MACHADO, GLAUCO . Males, but not females, perform strategic mate searching movements between host plants in a leaf beetle with scramble competition polygyny. Ecology and Evolution , v. 8, p. 5828-5836, 2018.
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KURY, ADRIANO B. ; MACHADO, GLAUCO . Do the species with facies reclinobunoides make up a clade?-A new Lomanius (Opiliones, Podoctidae) from Vietnam and a discussion on its relationships. ZOOTAXA (ONLINE) , v. 4441, p. 151, 2018.
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EBERHARD, WILLIAM G. ; RODRÍGUEZ, RAFAEL LUCAS ; HUBER, BERNHARD A. ; SPECK, BRETTA ; MILLER, HENRY ; BUZATTO, BRUNO A. ; MACHADO, GLAUCO . Sexual Selection and Static Allometry: The Importance of Function. QUARTERLY REVIEW OF BIOLOGY , v. 93, p. 207-250, 2018.
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SOLANO-BRENES, DIEGO ; GARCÍA-HERNÁNDEZ, SOLIMARY ; MACHADO, GLAUCO . All the better to bite you with! Striking intrasexual differences in cheliceral size define two male morphs in an Amazonian arachnid. BIOLOGICAL JOURNAL OF THE LINNEAN SOCIETY , v. 125, p. 521-534, 2018.
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MACHADO, GLAUCO ; WOLFF, JONAS O. . The assassination of a hypothesis by non-critical interpretation of molecular data: A comment on. MOLECULAR PHYLOGENETICS AND EVOLUTION , v. 129, p. 346-348, 2018.
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GARCÍA-HERNÁNDEZ, S. ; MACHADO, G. . Effectiveness of maternal egg attendance in an exclusively cave-dwelling harvestman (Arachnida: Opiliones). JOURNAL OF ZOOLOGY , v. 302, p. 228-235, 2017.
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MACEDO-REGO, RENATO C. ; COSTA-SCHMIDT, LUIZ ERNESTO ; SANTOS, EDUARDO S. A. ; MACHADO, GLAUCO . Negative effects of prolonged dietary restriction on male mating effort: nuptial gifts as honest indicators of long-term male condition. Scientific Reports , v. 6, p. 21846, 2016.
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MACHADO, GLAUCO ; BUZATTO, BRUNO A. ; GARCÍA-HERNÁNDEZ, SOLIMARY ; MACÍAS-ORDÓÑEZ, ROGELIO . Macroecology of Sexual Selection: A Predictive Conceptual Framework for Large-Scale Variation in Reproductive Traits. The American Naturalist , v. 188, p. S8-S27, 2016.
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SANTOS, E. S. A. ; MACHADO, G. . Sexual dichromatism in wing pigmentation of New World dragonflies follows Rensch's rule. JOURNAL OF EVOLUTIONARY BIOLOGY , v. 29, p. 1447-1454, 2016.
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CONSOLMAGNO, RAFAEL C. ; REQUENA, GUSTAVO S. ; MACHADO, GLAUCO ; BRASILEIRO, CINTHIA A. . Costs and benefits of temporary egg desertion in a rocky shore frog with male-only care. Behavioral Ecology and Sociobiology , v. 70, p. 785-795, 2016.
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ALISSA, LOUISE M. ; MUNIZ, DANILO G. ; MACHADO, GLAUCO . Devoted fathers or selfish lovers? Conflict between mating effort and parental care in a harem-defending arachnid. JOURNAL OF EVOLUTIONARY BIOLOGY , v. 30, p. 191-201, 2016.
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SANTOS, EDUARDO S. A. ; BUENO, PEDRO P. ; GILBERT, JAMES D. J. ; MACHADO, GLAUCO . Macroecology of parental care in arthropods: higher mortality risk leads to higher benefits of offspring protection in tropical climates. BIOLOGICAL REVIEWS , v. 92, p. 1688-1701, 2016.
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MUNIZ, DANILO G. ; MACHADO, GLAUCO . Experimental limitation of oviposition sites affects the mating system of an arachnid with resource defence polygyny. Animal Behaviour , v. 109, p. 23-31, 2015.
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NAZARETH, TAÍS M. ; MACHADO, GLAUCO . Egg Production Constrains Chemical Defenses in a Neotropical Arachnid. Plos One , v. 10, p. e0134908, 2015.
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REQUENA, G. S. ; MACHADO, G. . Effects of egg attendance on male mating success in a harvestman with exclusive paternal care. Behavioral Ecology , v. 26, p. 926-935, 2015.
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REQUENA, GUSTAVO S. ; MACHADO, GLAUCO . Lack of costs associated with nest-related behaviors in an arachnid with exclusive paternal care. Oikos (Kobenhavn) , v. 124, p. 372-380, 2015.
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BUZATTO, BRUNO A. ; TOMKINS, JOSEPH L. ; SIMMONS, LEIGH W. ; MACHADO, GLAUCO . CORRELATED EVOLUTION OF SEXUAL DIMORPHISM AND MALE DIMORPHISM IN A CLADE OF NEOTROPICAL HARVESTMEN. Evolution (Lancaster, PA.) , v. 68, p. 1671-1686, 2014.
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CHELINI, MARIE-CLAIRE ; MACHADO, GLAUCO . Multiple Lines of Egg Defense in a Neotropical Arachnid with Temporary Brood Desertion. Ethology , v. 120, p. 1147-1154, 2014.
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BUZATTO, BRUNO A. ; MACHADO, GLAUCO . Male dimorphism and alternative reproductive tactics in harvestmen (Arachnida: Opiliones). Behavioural Processes (Print) , v. 109, p. 2-13, 2014.
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ROCHA, DANIELE ; WOUTERS, FELIPE ; ZAMPIERI, DÁVILA ; BROCKSOM, TIMOTHY ; MACHADO, GLAUCO ; MARSAIOLI, ANITA . Harvestman Phenols and Benzoquinones: Characterisation and Biosynthetic Pathway. Molecules (Basel. Online) , v. 18, p. 11429-11451, 2013.
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CAETANO, DANIEL S. ; MACHADO, GLAUCO . The ecological tale of Gonyleptidae (Arachnida, Opiliones) evolution: phylogeny of a Neotropical lineage of armoured harvestmen using ecological, behavioural and chemical characters. Cladistics (Westport. Print) , v. 29, p. 589-609, 2013.
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WOUTERS, FELIPE C. ; ROCHA, DANIELE F. O. ; GONÇALVES, CAROLINE C. S. ; MACHADO, GLAUCO ; MARSAIOLI, Anita J. . Additional Vinyl Ketones and Their Pyranyl Ketones in Gonyleptid Harvestmen (Arachnida: Opiliones) Suggest These Metabolites Are Widespread in This Family. Journal of Natural Products (Print) , v. 76, p. 1559-1564, 2013.
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ROCHA, DANIELE F. O. ; WOUTERS, FELIPE C. ; MACHADO, GLAUCO ; MARSAIOLI, ANITA . First Biosynthetic pathway of 1-hepten-3-one in Iporangaia pustulosa (Opiliones). Scientific Reports , v. 3, p. 3156, 2013.
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REQUENA, GUSTAVO S. ; MACHADO, GLAUCO . Mating behavior of a Neotropical arachnid with exclusive paternal care. Acta Ethologica (Print) , v. 17, p. 23-30, 2013.
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WERNECK, R. M. ; Caetano, D.S. ; MACHADO, G. . Maternal care in the Neotropical harvestman Liogonyleptoides tetracanthus (Opiliones: Gonyleptidae). The Journal of Arachnology , v. 40, p. 135-137, 2012.
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MUNGUIA-STEYER, R. ; BUZATTO, B. A. ; MACHADO, G. . Male dimorphism of a neotropical arachnid: harem size, sneaker opportunities, and gonadal investment. Behavioral Ecology , v. 23, p. 827-835, 2012.
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REQUENA, GUSTAVO S. ; BUZATTO, BRUNO A. ; MARTINS, EDUARDO G. ; MACHADO, GLAUCO . Paternal Care Decreases Foraging Activity and Body Condition, but Does Not Impose Survival Costs to Caring Males in a Neotropical Arachnid. Plos One , v. 7, p. e46701, 2012.
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COSTA-SCHMIDT, L.E. ; MACHADO, G. . Reproductive interference between two sibling species of gift-giving spiders. Animal Behaviour , v. 84, p. 1201-1211, 2012.
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CHELINI, MARIE CLAIRE ; MACHADO, GLAUCO . Costs and benefits of temporary brood desertion in a Neotropical harvestman (Arachnida: Opiliones). Behavioral Ecology and Sociobiology (Print) , v. 66, p. 1619-1627, 2012.
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ZATZ, C. ; WERNECK, R. M. ; MACÍAS-ORDONEZ, R. ; MACHADO, G. . Alternative mating tactics in dimorphic males of the harvestman Longiperna concolor (Arachnida: Opiliones). Behavioral Ecology and Sociobiology (Print) , v. 65, p. 995-1005, 2011.
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BUZATTO, B.A. ; REQUENA, G.S. ; LOURENCO, R. S. ; MUNGUIA-STEYER, R. ; MACHADO, G. . Conditional male dimorphism and alternative reproductive tactics in a Neotropical arachnid (Opiliones). Evolutionary Ecology , v. 25, p. 331-349, 2011.
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ROCHA, D. ; HAMILTON, K. ; GONCALVES, C.C.S. ; MACHADO, G. ; MARSAIOLI, Anita J. . 6-Alkyl-3,4-dihydro-2. Journal of Natural Products (Print) , v. 74, p. 658-663, 2011.
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Villarreal-Manzanilla, O. ; MACHADO, G. . First record of paternal care in the family Stygnidae (Opiliones: Laniatores). The Journal of Arachnology , v. 39, p. 500-502, 2011.
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TM Nazareth ; MACHADO, G. . Mating system and exclusive postzygotic paternal care in a Neotropical harvestman (Arachnida: Opiliones). Animal Behaviour , v. 79, p. 547-554, 2010.
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POMINI, Armando M ; MACHADO, G. ; PINTO-DA-ROCHA, R. ; MACÍAS-ORDONEZ, R. ; MARSAIOLI, Anita J. . Lines of defense in the harvestman Hoplobunus mexicanus (Arachnida: Opiliones): Aposematism, stridulation, thanatosis, and irritant chemicals. Biochemical Systematics and Ecology , v. 38, p. 300-308, 2010.
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REQUENA, GUSTAVO S. ; SCHWERTNER, CRISTIANO F. ; MACHADO, GLAUCO ; NAZARETH, TAÃS M. . First cases of exclusive paternal care in stink bugs (Hemiptera: Pentatomidae). Zoologia (Curitiba. Impresso) , v. 27, p. 1018-1021, 2010.
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RH Willemart ; OSSES, F. ; MC Chelini ; R. Macías-Ordóñez ; MACHADO, G. . Sexually dimorphic legs in a neotropical harvestman (Arachnida, Opiliones): Ornament or weapon?. Behavioural Processes (Print) , v. 80, p. 51-59, 2009.
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BUZATTO, B.A. ; MACHADO, G. . Amphisexual care in Acutisoma proximum (Arachnida, Opiliones), a neotropical harvestman with exclusive maternal care. Insectes Sociaux (Printed ed.) , v. 56, p. 106-108, 2009.
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TM Nazareth ; MACHADO, G. . Reproductive behavior of Chavesincola inexpectabilis (Opiliones, Gonyleptidae) with description of a new and independently evolved case of paternal care in harvestmen. The Journal of Arachnology , v. 37, p. 127-134, 2009.
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MACHADO, G. ; REQUENA, G.S. ; BUZATTO, B.A. . Comportamento reprodutivo de opiliões (Arachnida): sistemas de acasalamento e cuidado parental. Oecologia Brasiliensis (Online) , v. 13, p. 58-79, 2009.
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BUZATTO, B.A. ; REQUENA, G.S. ; MACHADO, G. . Chemical Communication in the Gregarious Psocid Cerastipsocus sivorii (Psocoptera: Psocidae). Journal of Insect Behavior , v. 22, p. 388-398, 2009.
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KURY, A B ; MACHADO, G. . Notes on Santobius from Vanuatu and Fiji and the status of the eastern Melanesian Ibalonius (Arachnida, Opiliones, Podoctidae). Zoological Studies , v. 48, p. 524-538, 2009.
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UEHARA-PRADO, M. ; FERNANDES, J. O. ; BELLO, A. ; MACHADO, G. ; SANTOS, Adalberto J ; VAZ-DE-MELLO, F. ; FREITAS, Andre V L . Selecting terrestrial arthropods as indicators of small-scale disturbance: A first approach in the Brazilian Atlantic Forest. Biological Conservation , v. 142, p. 1220-1228, 2009.
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REQUENA, G.S. ; BUZATTO, Bruno Alves ; MUNGUIA-STEYER, R. ; MACHADO, G. . Efficiency of uniparental male and female care against egg predators in two closely related syntopic harvestmen. Animal Behaviour , v. 78, p. 1169-1176, 2009.
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MACHADO, G. ; POMINI, Armando M . Chemical and behavioral defenses of the neotropical harvestman Camarana flavipalpi (Arachnida: Opiliones). Biochemical Systematics and Ecology , v. 36, p. 369-376, 2008.
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MACHADO, G. ; BONATO, V ; MARTINS, E. G. ; DA-SILVA, C. Q. ; REIS, S.F. . Ecology of the Armadillos Cabassous unicinctus and Euphractus sexcinctus (Cingulata: Dasypodidae) in a Brazilian Cerrado. Journal of Mammalogy (Print) , v. 89, p. 168-174, 2008.
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OSSES, F. ; MARTINS, Eduardo G ; MACHADO, G. . Oviposition site selection by the bromeliad-dweller harvestman Bourguyia hamata (Arachnida: Opiliones). Journal of Ethology , v. 26, p. 233-241, 2008.
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BUZATTO, B.A. ; MACHADO, G. . Resource defense polygyny shifts to female defense polygyny over the course of the reproductive season of a Neotropical harvestman. Behavioral Ecology and Sociobiology (Print) , v. 63, p. 85-94, 2008.
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OSSES, F. ; TM Nazareth ; MACHADO, G. . Activity pattern of the Neotropical harvestman Neosadocus maximus (Opiliones, Gonyleptidae): sexual and temporal variations. The Journal of Arachnology , v. 36, p. 518-526, 2008.
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MACHADO, G. . MATERNAL OR PATERNAL EGG GUARDING? REVISITING PARENTAL CARE IN TRIAENONYCHID HARVESTMEN (OPILIONES). The Journal of Arachnology , v. 35, p. 202-204, 2007.
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P.R. Guimarães Jr. ; MACHADO, G. ; M.A.M. de Aguiar ; P. Jordano ; BASCOMPTE, J. ; A. Pinheiro ; REIS, S.F. . Build-up mechanisms determining the topology of mutualistic networks. Journal of Theoretical Biology , v. 249, p. 181-189, 2007.
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ARAÚJO, M. S. ; BOLNICK, D. I. ; MACHADO, G. ; GIARETTA, A. A. ; REIS, S.F. . Using δ13C stable isotopes to quantify individual-level diet variation. Oecologia , v. 152, p. 643-654, 2007.
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REQUENA, G.S. ; BUZATTO, B.A. ; MACHADO, G. . Habitat use, phenology, and gregariousness of the neotropical psocopteran Cerastipsocus sivorii (Psocoptera: Psocidae). Sociobiology , v. 49, p. 197-214, 2007.
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BUZATTO, B.A. ; REQUENA, G.S. ; MARTINS, E.G. ; MACHADO, G. . Effects of maternal care on the lifetime reproductive success of females in a neotropical harvestman. Journal of Animal Ecology (Print) , v. 76, p. 937-945, 2007.
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ARAÚJO, M. S. ; REIS, S.F. ; GIARETTA, A. A. ; MACHADO, G. ; BOLNICK, D. I. . Individual-level diet variation in four frogs (Leptodactylidae) of the Brazilian savannah. Copeia , v. 2007, p. 855-865, 2007.
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J. Moya ; K.C. Mancini ; MACHADO, G. ; H. Dolder . Sperm morphology of the neotropical harvestman Iporangaia pustulosa (Arachnida: Opiliones): Comparative morphology and functional aspects. Arthropod Structure & Development , v. 36, p. 53-62, 2007.
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MACHADO, G. ; WARFEL, Joseph . FIRST CASE OF MATERNAL CARE IN THE FAMILY CRANAIDAE (OPILIONES, LANIATORES). The Journal of Arachnology , v. 34, p. 269-272, 2006.
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ALMEIDA NETO, Mário ; MACHADO, G. ; ROCHA, Ricardo Pinto da ; GIARETTA, Ariovaldo A . Harvestman species distribution along three neotropical elevational gradients: an alternative rescue effect to explain Rapoport's rule. Journal of Biogeography (Print) , Inglaterra, v. 33, p. 361-375, 2006.
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MACHADO, G. ; DIAS, SIDCLAY C. ; DIAS, S. C. ; MACHADO, GLAUCO . MICROHABITAT USE BY THE WHIP SPIDER HETEROPHRYNUS LONGICORNIS (AMBLYPYGI, PHRYNIDAE) IN CENTRAL AMAZON. The Journal of Arachnology , v. 34, p. 540-544, 2006.
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MACHADO, G. ; CARRERA, Patricia C ; POMINI, Armando M ; MARSAIOLI, Anita J. . Chemical Defense in Harvestmen (Arachnida, Opiliones): Do Benzoquinone Secretions Deter Invertebrate and Vertebrate Predators?. Journal of Chemical Ecology , v. 31, p. 2519-2539, 2005.
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MARTINS, E.G. ; BONATO, V. ; MACHADO, G. ; ROCHA, L.S. ; PINTO-DA-ROCHA, R. . Description and ecology of a new species of sun spider (Arachnida: Solifugae) from the Brazilian Cerrado. Journal of Natural History , Inglaterra, v. 38, p. 2361-2375, 2004.
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CHRISTIANINI, A.V. ; MACHADO, G. . Induced biotic responses to herbivory and associated cues in the Amazonian ant-plant Maieta poeppigii. Entomologia Experimentalis et Applicata (Print) , v. 112, p. 81-88, 2004.
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MACHADO, G. ; REQUENA, G.S. ; BUZATTO, B.A. ; OSSES, F. ; ROSSETTO, L.M. . Five new cases of paternal care in harvestmen (Arachnida: Opiliones): implications for the evolution of male guarding in the Neotropical family Gonyleptidae. Sociobiology , v. 44, p. 577-598, 2004.
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PEREIRA, W. ; ELPINO-CAMPOS, A. ; DEL-CLARO, K. ; MACHADO, G. . BEHAVIORAL REPERTORY OF THE NEOTROPICAL HARVESTMAN ILHAIA CUSPIDATA (OPILIONES, GONYLEPTIDAE). The Journal of Arachnology , v. 32, p. 22-30, 2004.
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MELO, Adriano S ; PEREIRA, Rodrigo A S ; SANTOS, Adalberto J ; SHEPHERD, George J ; MACHADO, G. ; MEDEIROS, Hermes F ; SAWAYA, Ricardo J . Comparing species richness among assemblages using sample units: why not use extrapolation methods to standardize different sample sizes?. Oikos (Kobenhavn) , v. 101, p. 398-410, 2003.
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HARA, M. R. ; GNASPINI, P. ; MACHADO, G. . MALE EGG GUARDING BEHAVIOR IN THE NEOTROPICAL HARVESTMAN AMPHERES LEUCOPHEUS (MELLO-LEITÃ O 1922) (OPILIONES, GONYLEPTIDAE). The Journal of Arachnology , v. 31, n.3, p. 441-444, 2003.
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PINTO-DA-ROCHA, R. ; MACHADO, G. ; WEYGOLDT, P. . Two new species of Charinus Simon, 1892 from Brazil with biological notes (Arachnida; Amblypygi; Charinidae). Journal of Natural History , v. 36, p. 107-118, 2002.
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MACHADO, G. ; GIARETTA, A. A. ; FACURE, K. G. . Reproductive Cycle of a Population of the Guaru, Phallocerus caudimaculatus (Poeciliidae), in Southeastern Brazil. Studies on Neotropical Fauna and Environment , v. 37, p. 15-18, 2002.
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MACHADO, G. ; CHAGAS JR, A. . Three new cases of maternal care in Neotropical centipedes (Chilopoda: Scolopendromorpha). Entomological News , v. 113, p. 37-40, 2002.
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MACHADO, G. ; BONATO, V. ; OLIVEIRA, Paulo S . Alarm communication: a new function for the scent-gland secretion in harvestmen (Arachnida: Opiliones). Naturwissenschaften , Alemanha, v. 89, p. 357-360, 2002.
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MACHADO, G. . Maternal care, defensive behavior, and sociality in neotropical Goniosoma harvestmen (Arachnida, Opiliones). Insectes Sociaux (Printed ed.) , v. 49, p. 388-393, 2002.
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MACHADO, G. . MATERNAL CARE IN THE NEOTROPICAL HARVESTMAN BOURGUYIA ALBIORNATA (ARACHNIDA: OPILIONES): OVIPOSITION SITE SELECTION AND EGG PROTECTION. Behaviour (Leiden. Print) , v. 139, p. 1509-1524, 2002.
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MACHADO, G. ; VASCONCELLOS-NETO, J. . Sperm transfer behavior in the Neotropical scorpion Thestylus glazioui (Scorpiones: Bothriuridae). Revista de Etologia (São Paulo) , v. 2, p. 63-66, 2001.
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MACHADO, G. ; RAIMUNDO, R. L. G. . Parental investment and the evolution of subsocial behaviour in harvestmen (Arachnida Opiliones). Ethology Ecology & Evolution (Testo stampato) , v. 13, p. 133-150, 2001.
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MACHADO, G. ; FREITAS, A. V. L. . Larval defence against ant predation in the butterfly Smyrna blomfildia. Ecological Entomology Online , v. 26, p. 436-439, 2001.
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MACHADO, G. ; VIDAL, D. M. . On the Occurrence of Epizoic Cyanobacteria and Liverworts on a Neotropical Harvestman (Arachnida: Opiliones)1. Biotropica (Lawrence, KS) , v. 33, p. 535, 2001.
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ELPINO-CAMPOS, A. ; PEREIRA, W. ; DEL-CLARO, K. ; MACHADO, G. . Behavioural repertory and notes on natural history of the Neotropical harvestman Discocyrtus oliverioi (Opiliones: Gonyleptidae). Bulletin. British Arachnological Society , v. 12, p. 144-150, 2001.
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MACHADO, G. ; GIARETTA, A. A. ; PINTO-DA-ROCHA, R. . Notes on the taxonomy and biology of the Neotropical harvestman Goniosoma catarina sp.n. (Opiliones: Gonyleptidae). Revista Ibérica de Aracnología , v. 4, p. 17-22, 2001.
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MACHADO, G. ; RAIMUNDO, R. L. G. ; OLIVEIRA, P. S. . Daily activity schedule, gregariousness, and defensive behaviour in the Neotropical harvestman Goniosoma longipes (Opiliones: Gonyleptidae). Journal of Natural History , v. 34, p. 587-596, 2000.
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MACHADO, G. ; PIZO, M. A. . THE USE OF FRUITS BY THE NEOTROPICAL HARVESTMAN NEOSADOCUS VARIABILIS (OPILIONES, LANIATORES, GONYLEPTIDAE). The Journal of Arachnology , v. 28, p. 357-360, 2000.
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MACHADO, G. . Maternal care in the Neotropical centipede Otostigmus scabricauda (Chilopoda: Scolopendromorpha). Entomological News , v. 111, p. 250-254, 2000.
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MACHADO, G. ; VASCONCELOS, C. H. F. . Multi-species aggregations in Neotropical harvestmen (Arachnida: Opiliones: Gonyleptidae). The Journal of Arachnology , v. 26, p. 389-391, 1998.
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MACHADO, G. ; OLIVEIRA, P. S. . Reproductive biology of the neotropical harvestman (Goniosoma longipes) (Arachnida, Opiliones: Gonyleptidae): mating and oviposition behaviour, brood mortality, and parental care. Journal of Zoology (1987) , v. 246, p. 359-367, 1998.
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GIARETTA, A.A. ; SAWAYA, R. ; MACHADO, G. ; ARAÚJO, M. S. ; FACURE, K. G. ; MEDEIROS, H. F. ; NUNES, R. . Diversity and abundance of litter frogs at altitudinal sites at Serra do Japi, Southeastern Brazil. Revista Brasileira de Zoologia , v. 14, p. 341-346, 1997.
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NAZARETH, TAÍS M. ; SUDATTI, DANIELA B. ; MACHADO, GLAUCO . Chemical Defense as a Condition-Dependent Trait in Harvestmen. JOURNAL OF CHEMICAL ECOLOGY , v. 42, p. 1047-1051, rint.
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MACEDO, R. ; MACHADO, GLAUCO . Sexual selection: perspectives and models from the Neotropics. 1. ed. Amsterdan: Elsevier, 2013. v. 1. 466p .
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PINTO-DA-ROCHA, R. ; MACHADO, G. ; GIRIBET, G. . Harvestmen: The Biology of Opiliones. 1. ed. Massachusetts: Harvard University Press, 2007. v. 1. 597p .
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MACHADO, G. ; TRUMBO, S. T. . Parental care. In: A. Córdoba-Aguilar; D. González-Tokman; I. González-Santoyo. (Org.). Insect behavior: from mechanisms to ecological and evolutionary consequences. 1ed.Oxford: Oxford University Press, 2018, v. 1, p. 203-218.
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MACHADO, G. ; REQUENA, GUSTAVO S. ; GADEA, C. T. ; STANLEY, E. ; MACÍAS-ORDONEZ, R. . Male and female mate choice in harvestmen: general patterns and inferences on the underlying processes. In: Alfredo V. Peretti, Anita Aisenberg. (Org.). Cryptic Female Choice in Arthropods Patterns, Mechanisms and Prospects. 1ed.New York: Springer, 2015, v. 1, p. 169-201.
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R. Macías-Ordóñez ; MACHADO, GLAUCO ; MACEDO, R. . Macroecology of sexual selection: large-scale influence of climate on sexually selected traits. In: Regina H. Macedo & Glauco Machado. (Org.). Sexual selection: perspectives and models from the Neotropics. 1ed.Amsterdan: Elsevier, 2013, v. , p. 1-32.
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REQUENA, GUSTAVO S. ; MUNGUIA-STEYER, R. ; MACHADO, G. . Paternal care and sexual selection in arthropods. In: Regina H. Macedo & Glauco Machado. (Org.). Sexual selection: perspectives and models from the Neotropics. 1ed.Amsterdan: Elsevier, 2013, v. , p. 201-234.
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BUZATTO, B.A. ; R. Macías-Ordóñez ; MACHADO, G. . Macroecology of harvestman mating systems. In: Regina H. Macedo & Glauco Machado. (Org.). Sexual selection: perspectives and models from the Neotropics. 1ed.Amsterdan: Elsevier, 2013, v. , p. 115-162.
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R. Macías-Ordóñez ; MACHADO, G. ; PEREZ-GONZALEZ, A. ; SHULTZ, J. W. . Genitalic evolution in Opiliones. In: Janet L. Leonard, Alex Córdoba-Aguilar. (Org.). THE EVOLUTION OF PRIMARY SEXUAL CHARACTERS IN ANIMALS. Oxford: Oxford University Press, 2008, v. 1, p. 285-306.
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MACHADO, G. ; PINTO-DA-ROCHA, R. ; G. Giribet . What are harvestmen?. In: R. Pinto-da-Rocha; G. Machado & G. Giribet. (Org.). Harvestmen: The Biology of Opiliones. 1ed.Massachusetts: Harvard University Press, 2007, v. 1, p. 1-13.
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L.E. Acosta ; MACHADO, G. . Diet and foraging. In: R. Pinto-da-Rocha; G. Machado & G. Giribet. (Org.). Harvestmen: The Biology of Opiliones. 1ed.Massachusetts: Harvard University Press, 2007, v. 1, p. 309-338.
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D.J. Curtis ; MACHADO, G. . Ecology. In: R. Pinto-da-Rocha; G. Machado & G. Giribet. (Org.). Harvestmen: The Biology of Opiliones. 1ed.Massachusetts: Harvard University Press, 2007, v. 1, p. 280-308.
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MACHADO, G. ; R. Macías-Ordóñez . Reproduction. In: R. Pinto-da-Rocha; G. Machado & G. Giribet. (Org.). Harvestmen: The Biology of Opiliones. 1ed.Massachusetts: Harvard University Press, 2007, v. 1, p. 414-454.
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MACHADO, G. ; R. Macías-Ordóñez . Social behavior. In: R. Pinto-da-Rocha; G. Machado & G. Giribet. (Org.). Harvestmen: The Biology of Opiliones. 1ed.Massachusetts: Harvard University Press, 2007, v. 1, p. 400-413.
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MACHADO, G. . Comportamento como fonte de informação em estudos filogenéticos. In: Kleber Del Claro; Fábio Prezoto. (Org.). As Distintas Faces do Comportamento Animal. 1ed.Jundiaí: Livraria e Editora Conceito, 2003, v. 1, p. 224-235.
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OLIVEIRA, P.S. ; MACHADO, G. . Alarm communication in a Neotropical harvestman (Arachnida: Opiliones). In: 52th Annual Meeting of the Association for Tropical Biology, 2001, Bangalore, 2001.
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NAZARETH, T. M. ; ROSSINI, C. ; MACHADO, G. . Sexual dimorphism in chemical defenses of a Neotropical harvestman (Arachnida: Opiliones). In: 2nd Meeting of the Latin American Association of Chemical Ecology, 2012, Córdoba. 2nd Meeting of the Latin American Association of Chemical Ecology, 2012.
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ROCHA, DF ; MARSAIOLI, Anita J. ; MACHADO, G. . Biosynthetic pathway of Magnispina neptunus benzoquinones (Arachnida: Opiliones). In: 2nd Latin American Meeting of Chemical Ecology, 2012, Córdoba. 2nd Latin American Meeting of Chemical Ecology, 2012.
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ROCHA, DF ; GONCALVES, C.C.S. ; MARSAIOLI, Anita J. ; MACHADO, G. . Síntese de uma nova piranilcetona constituinte de secreções odoríferas de Opiliões (Arachnida, Opiliones) via hetero Diels-Alder. In: 34a Reunião Anual da Sociedade Brasileira de Química, 2011, Florianópolis. 34a Reunião Anual da Sociedade Brasileira de Química, 2011.
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COSTA-SCHMIDT, L.E. ; MACHADO, G. . Natural selection and the maintenance of nuptial gifts in two syntopic spiders. In: Behavior 2011, 2011, Bloomington, IN. Behavior 2011, 2011.
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REQUENA, G. S. ; MACHADO, G. . Availability of preferred mates changes female choosiness in a harvestman with paternal care. In: Behavior 2011, 2011, Bloomington, IN. Behavior 2011, 2011.
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REQUENA, G.S. ; MACHADO, G. . Better off alone: less preferred males' mate success increases when the availability of sexy males is low. In: The Association for the Study of Animal Behavior - Winter Conference, 2011, London. The Association for the Study of Animal Behavior - Winter Conference, 2011.
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MACHADO, G. ; R Munguía-Steyer ; BUZATTO, B.A. . Male dimorphism across ten populations of a Neotropical harvestman: harem size, sneaker mating opportunities and gonadic investment. In: 13th International Behavioral Ecology Congress, 2010, Perth. 13th International Behavioral Ecology Congress, 2010.
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ROCHA, DF ; MARSAIOLI, Anita J. ; MACHADO, G. . Strategy of storing chemical defense secretion in harvestmen (Arachnida, Opiliones, Laniatores). In: 1st Latin American Meeting of Chemical Ecology, 2010, Colonia del Sacramento. 1st Latin American Meeting of Chemical Ecology, 2010.
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MACHADO, G. ; REQUENA, G. S. ; BUZATTO, Bruno Alves ; MUNGUIA-STEYER, R. . Efficiency of uniparental male and female care in two syntopic harvestmen. In: 46th Annual Meeting of the Animal Behavior Society, 2009, Pirinópolis. 46th Annual Meeting of the Animal Behavior Society, 2009.
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ZATZ, C. ; WERNECK, R. M. ; MACÍAS-ORDONEZ, R. ; MACHADO, G. . Behavioral role of sexually dimorphic legs in a neotropical harvestman. In: 46th Animal Behavior Meeting of the Animal Behavior Society, 2009, Pirinópolis. 46th Animal Behavior Meeting of the Animal Behavior Society, 2009.
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CHELINI, MARIE CLAIRE ; MACHADO, G. . To care or to forage? An unusual maternal behavior in a neotropical harvestman. In: 46th Annual Meeting of the Animal Behavior Society, 2009, Pirinópolis. 46th Annual Meeting of the Animal Behavior Society, 2009.
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R Munguía-Steyer ; BUZATTO, B. A. ; MACHADO, G. . Intra-sexual male dimorphism in 10 populations of a neotropical harvestman. In: 46th Animal Behavior Meeting of the Animal Behavior Society, 2009, Pirinópolis. 46th Animal Behavior Meeting of the Animal Behavior Society, 2009.
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ROCHA, DF ; MARSAIOLI, Anita J. ; MACHADO, G. . Chemical defense in five neotropical harvestman species (Arachnida, Opiliones, Laniatores). In: 2nd Brazilian Conference on Natural Products, 2009, São Pedro. 2nd Brazilian Conference on Natural Products, 2009.
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REQUENA, G.S. ; BUZATTO, B.A. ; PR Guimarães Jr. ; MACHADO, G. . Clutch size influences male reproductive success in a harvestman with paternal care. In: 46th Annual Meeting of the Animal Behavior Society, 2009, Pirinópolis. 46th Annual Meeting of the Animal Behavior Society, 2009.
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BUZATTO, B.A. ; MACHADO, G. . Alternative male morphologies and mating strategies in the harvestman Acutisoma proximum (Opiliones: Gonyleptidae), the first harvestman with distinct adult male morphs. In: 17th International Congress of Arachnology, 2007, São Pedro. 17th International Congress of Arachnology, 2007.
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REQUENA, G.S. ; BUZATTO, Bruno Alves ; MARTINS, E. G. ; MACHADO, G. . Factors affecting the number of eggs added and subtracted from clutches of the paternal harvestman Iporangaia pustulosa (Opiliones: Gonyleptidae). In: 17th International Congress of Arachnology, 2007, São Pedro. 17th International Congress of Arachnology, 2007.
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ZATZ, C. ; MACHADO, G. . What is the function of sexually dimorphic legs in the neotropical harvestman Promitobates ornatus (Opiliones, Gonyleptidae): ornament for females or weapons against conspecific males?. In: 17th International Congress of Arachnology, 2007, São Pedro. 17th International Congress of Arachnology, 2007.
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TM Nazareth ; MACHADO, G. . Mating system and evolution of paternal care in the neotropical harvestman Pseudopucrolia sp. (Arachnida: Opiliones). In: I Latin America Animal Behavior Society Meeting, 2006, Xico. I Latin America Animal Behavior Society Meeting, 2006.
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BUZATTO, B.A. ; REQUENA, G.S. ; MARTINS, E.G. ; MACHADO, G. . Effects of maternal care on the lifetime reproductive success of females in a neotropical harvestman. In: I Latin America Animal Behavior Society Meeting, 2006, Xico. I Latin America Animal Behavior Society Meeting, 2006.
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MARSAIOLI, Anita J. ; POMINI, Armando M ; MACHADO, G. . Caracterização química da secreção de defesa do opilião brasileiro Camarana flavipalpi (Gonyleptidae). In: 29a Reunião Anual da Sociedade Brasileira de Química, 2006, Águas de Lindóia. 29a Reunião Anual da Sociedade Brasileira de Química, 2006.
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BUZATTO, B.A. ; REQUENA, G.S. ; MACHADO, G. . Biologia reprodutiva do opilião Serracutisoma proximum (Opiliones: Gonyleptidae): escolha de sítio de oviposição e estratégias alternativas de acasalamento. In: I Congresso Americano de Aracnologia, 2005, Minas. I Congresso Americano de Aracnologia, 2005.
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BUZATTO, B.A. ; REQUENA, G.S. ; MACHADO, G. . Custos e benefícios do cuidado materno no opilião Serracutisoma proximum (Opiliones: Gonyleptidae). In: I Congresso Latino Americano de Aracnologia, 2005, Minas. I Congresso Latino Americano de Aracnologia, 2005.
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ALMEIDA NETO, Mário ; MACHADO, G. ; PINTO-DA-ROCHA, R. ; GIARETTA, A. A. . Distribuição de espécies de opiliões (Opiliones) ao longo de três gradientes altitudinais na Mata Atlântica: um ?efeito resgate? alternativo para explicar o efeito Rapoport?. In: I Congresso Latino Americano de Aracnologia, 2005, Minas. I Congresso Latino Americano de Aracnologia, 2005.
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TM Del-Corso ; RT Guido ; MACHADO, G. . Perder a perna ou a vida? Automomia como uma estratégia de defesa no opilião Jussara sp. (Opiliones: Sclerosomatidae). In: I Congresso Latino Americano de Aracnologia, 2005, Minas. I Congresso Latino Americano de Aracnologia, 2005.
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PR Guimarães Jr. ; MACHADO, G. ; REIS, Sergio Furtado dos . Regras comportamentais simples determinam a formação de agregações no opilião Acutisoma aff. proximum (Opiliones: Gonyleptidae). In: I Congresso Latino Americano de Aracnologia, 2005, Minas. I Congresso Latino Americano de Aracnologia, 2005.
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MACHADO, G. ; POMINI, Armando M ; MARSAIOLI, Anita J. . A produção de ovos compromete a defesa química no opilião Acutisoma longipes (Opiliones: Gonyleptidae). In: I Congresso Latino Americano de Aracnologia, 2005, Minas. I Congresso Latino Americano de Aracnologia, 2005.
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TM Nazareth ; MACHADO, G. . Sistema de acasalamento e evolução do cuidado paternal no opilião Pseudopucrolia sp. (Opiliones: Gonyleptidae). In: I Congresso Latino Americano de Aracnologia, 2005, Minas. I Congresso Latino Americano de Aracnologia, 2005.
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OSSES, F. ; MACHADO, G. . Seleção de sítios de oviposição por fêmeas do opilião bromelícola Bourguyia albiornata (Opiliones: Gonyleptidae). In: I Congresso Latino Americano de Aracnologia, 2005, Minas. I Congresso Latino Americano de Aracnologia, 2005.
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OSSES, F. ; RH Willemart ; MC Chelini ; MACHADO, G. ; R. Andrade ; MB Silva . Função da armação das pernas de machos de Neosadocus sp. (Opiliones: Gonyleptidae) em brigas intra-sexuais. In: I Congresso Latino Americano de Aracnologia, 2005, Minas. I Congresso Latino Americano de Aracnologia, 2005.
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REQUENA, G.S. ; BUZATTO, B.A. ; MACHADO, G. . Variações temporais na abundância de fêmeas afetam o comportamento dos machos guardiões no opilião Iporangaia pustulosa (Opiliones: Gonyleptidae)?. In: I Congresso Latino Americano de Aracnologia, 2005, Minas. I Congresso Latino Americano de Aracnologia, 2005.
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REQUENA, G.S. ; BUZATTO, B.A. ; MACHADO, G. . Cuidado paternal no opilião Iporangaia pustulosa (Opiliones: Gonyleptidae): papais dedicados ou garanhões interesseiros?. In: I Congresso Latino Americano de Aracnologia, 2005, Minas. I Congresso Latino Americano de Aracnologia, 2005.
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MARSAIOLI, Anita J. ; MACHADO, G. ; POMINI, Armando M . Defesa química no opilião Goniosoma longipes (Arachnida: Opiliones). In: 28a Reunião Anual da Sociedade Brasileira de Química, 2005, Poços de Caldas. 28a Reunião Anual da Sociedade Brasileira de Química, 2005.
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MACHADO, G. ; REQUENA, G.S. ; BUZATTO, B.A. . Evolution of paternal care in a neotropical harvestman (Arachnida: Opiliones). In: XLI Meeting of the Animal Behavior Society, 2004, Oaxaca. XLI Meeting of the Animal Behavior Society, 2004.
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CARRERA, Patricia C ; MACHADO, G. . Chemical defense in harvestmen (Arachnida, Opiliones): are benzoquinones efficient deterrents of invertebrate and vertebrate predators?. In: XXVIII International Ethological Conference, 2003, Florianópolis. XXVIII International Ethological Conference, 2003.
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MACHADO, G. . Two new cases of paternal care in harvestmen (Arachnida: Opiliones): implications for the evolution of male guarding in the Neotropical family Gonyleptidae. In: XXVIII International Ethological Conference, 2003, Florianópolis. XXVIII International Ethological Conference, 2003.
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REQUENA, G.S. ; BUZATTO, B.A. ; MACHADO, G. . Comunicação de alarme no psocóptero Cerastipsocus sivorii (Psocoptera: Psocidae). In: XXI Encontro Anual de Etologia, 2003, Uberlândia. XXI Encontro Anual de Etologia, 2003.
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REQUENA, G.S. ; BUZATTO, B.A. ; MACHADO, G. . Como um psocóptero desgarrado re-encontra sua agregação?. In: XXI Encontro Anual de Etologia, 2003, Uberlândia. XXI Encontro Anual de Etologia, 2003.
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OSSES, F. ; ROSSETTO, L.M. ; MACHADO, G. . Repertório comportamental do Opilião neotropical Neosadocus sp. (Arachnida: Opiliones: Gonyleptidae). In: XXI Encontro Anual de Etologia, 2003, Uberlândia. XXI Encontro Anual de Etologia, 2003.
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MACHADO, G. . Sinapomorfias comportamentais do clado Progonyleptoidellinae + Caelopyginae (Opiliones: Gonyleptidae). In: IV Encontro de Aracnólogos do Cone Sul, 2003, São Pedro. IV Encontro de Aracnólogos do Cone Sul, 2003.
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ROSSETTO, L.M. ; OSSES, F. ; MACHADO, G. . Cuidado paternal no opilião Neosadocus sp. (Opiliones: Gonyleptidae). In: IV Encontro de Aracnólogos do Cone Sul, 2003, São Pedro. IV Encontro de Aracnólogos do Cone Sul, 2003.
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REQUENA, G.S. ; BUZATTO, B.A. ; MACHADO, G. . Cuidado paternal e seleção sexual no opilião Iporangaia pustulosa (Opiliones: Gonyleptidae). In: IV Encontro de Aracnólogos do Cone Sul, 2003, São Pedro. IV Encontro de Aracnólogos do Cone Sul, 2003.
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BUZATTO, B.A. ; REQUENA, G.S. ; MACHADO, G. . Cuidado maternal no opilião Serracutisoma proximum (Opiliones: Gonyleptidae). In: IV Encontro de Aracnólogos do Cone Sul, 2003, São Pedro. IV Encontro de Aracnólogos do Cone Sul, 2003.
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AC Pellegrino ; TM Del-Corso ; MACHADO, G. . Autotomia de pernas no opilião Jussara sp. (Opiliones: Sclerosomatidae): novas respostas para velhas perguntas. In: IV Encontro de Aracnólogos do Cone Sul, 2003, São Pedro. IV Encontro de Aracnólogos do Cone Sul, 2003.
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K.C. Mancini ; MACHADO, G. . Glândula tarsal sexualmente dimórfica no opilião Manaosbia scopulata Roewer, 1943 (Opiliones: Manaosbiidae). In: IV Encontro de Aracnólogos do Cone Sul, 2003, São Pedro. IV Encontro de Aracnólogos do Cone Sul, 2003.
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OSSES, F. ; ROSSETTO, L.M. ; MACHADO, G. . Diferenças sexuais e circadianas no repertório comportamental do opilião Neosadocus sp. (Opiliones: Gonyleptidae). In: IV Encontro de Aracnólogos do Cone Sul, 2003, São Pedro. IV Encontro de Aracnólogos do Cone Sul, 2003.
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AB Kury ; MACHADO, G. . Transporte de ovos pelos machos: uma sinapomorfia comportamental para os opiliões da família Podoctidae (Opiliones: Laniatores). In: IV Encontro de Aracnólogos do Cone Sul, 2003, São Pedro. IV Encontro de Aracnólogos do Cone Sul, 2003.
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CARRERA, Patricia C ; MACHADO, G. . Defesa química no opilião Goniosoma longipes (Opiliones: Gonyleptidae): quais predadores a secreção odorífera é capaz de repelir?. In: IV Encontro de Aracnólogos do Cone Sul, 2003, São Pedro. IV Encontro de Aracnólogos do Cone Sul, 2003.
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MACHADO, G. ; BONATO, V ; MARTINS, E. G. . Dinâmica populacional e uso de hábitats por três espécies de escorpiões (Arachnida: Scorpiones) em um fragmento de cerrado no sudeste do Brasil. In: III Encontro de Aracnólogos do Cone Sul, 2002, Córdoba. III Encontro de Aracnólogos do Cone Sul, 2002.
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MACHADO, G. ; BONATO, V. ; MARTINS, E. G. . Ecologia populacional de Mummucia sp. (Solifuga: Mummuciidae) em um fragmento de cerrado do sudeste do Brasil. In: III Encontro de Aracnólogos do Cone Sul, 2002, Córdoba. III Encontro de Aracnólogos do Cone Sul, 2002.
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MACHADO, G. ; OLIVEIRA, P. S. . Investimento parental no opilião Bourguyia albiornata (Opiliones: Gonyleptidae) e o papel do cuidado maternal na sobrevivência de ovos. In: III Encontro de Aracnólogos do Cone Sul, 2002, Córdoba. III Encontro de Aracnólogos do Cone Sul, 2002.
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MACHADO, G. ; BONATO, V. ; OLIVEIRA, P. S. . A secreção repugnatória de opiliões pode funcionar como feromônio de alarme?. In: III Encontro de Aracnólogos do Cone Sul, 2002, Córdoba. III Encontro de Aracnólogos do Cone Sul, 2002.
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MACHADO, G. . Comportamento gregário e evolução da socialidade em opiliões do gênero Goniosoma (Arachnida: Opiliones). In: III Encontro de Aracnólogos do Cone Sul, 2002, Córdoba. III Encontro de Aracnólogos do Cone Sul, 2002.
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BONATO, V. ; MACHADO, G. . Respostas à fome prolongada em larvas da formiga-leão Myrmeleon sp. (Neuroptera: Myrmeleontidae). In: XIX Encontro Anual de Etologia, 2001, Juiz de Fora. XIX Encontro Anual de Etologia, 2001.
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MACHADO, G. ; FREITAS, A. V. L. . Estratégias anti-predação em larvas da borboleta Smyrna blomfildia (Nymphalidae: Coloburini). In: XVII Encontro Anual de Etologia, 1999, Botucatu. XVII Encontro Anual de Etologia, 1999.
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MACHADO, G. ; GIARETTA, A. A. ; PINTO-DA-ROCHA, R. . Comportamento gregário e cuidado à prole no opilião Goniosoma aff. inermis (Arachnida: Opiliones: Gonyleptidae). In: XVII Encontro Anual de Etologia, 1999, Botucatu. XVII Encontro Anual de Etologia, 1999.
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MACHADO, G. . Cuidado maternal à prole e escolha de sítios de oviposição no opilião Bourguyia albiornata Mello-Leitão (Opiliones: Gonyleptidae: Bourguyiinae). In: II Encontro de Aracnólogos do Cone Sul, 1999, Porto Alegre. II Encontro de Aracnólogos do Cone Sul, 1999.
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MACHADO, G. ; PINTO-DA-ROCHA, R. . Ecologia e história natural de Charinus sp.n. (Amblypygi: Charinidae). In: II Encontro de Aracnólogos do Cone Sul, 1999, Porto Alegre. II Encontro de Aracnólogos do Cone Sul, 1999.
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MACHADO, G. ; VASCONCELLOS-NETO, J. . Comportamento de transferência espermática no escorpião Thestylus glazioui (Bertkau, 1880) (Scorpiones: Bothriuridae). In: II Encontro de Aracnólogos do Cone Sul, 1999, Porto Alegre. II Encontro de Aracnólogos do Cone Sul, 1999.
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MACHADO, G. ; VIDAL, D. M. . Sobre a ocorrência de algas e briófitas epizóicas no opilião Neosadocus variabilis (Mello-Leitão 1935) (Opiliones: Gonyleptidae). In: II Encontro de Aracnólogos do Cone Sul, 1999, Porto Alegre. II Encontro de Aracnólogos do Cone Sul, 1999.
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OLIVEIRA, P. S. ; MACHADO, G. . Reproductive biology of the Neotropical harvestman Goniosoma longipes (Arachnida: Opiliones): mating and oviposition behavior, brood mortality, and parental care. In: 49th Annual Meeting of the Association for Tropical Biology, 1998, Baltimore. 49th Annual Meeting of the Association for Tropical Biology, 1998.
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YOKAYCHIYA, D. K. ; MACHADO, G. . Museu de História Natural: uma alternativa para o ensino de Ciências. In: III Encontro Regional de Ensino de Ciências, 1998, Campinas. III Encontro Regional de Ensino de Ciências, 1998.
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MACHADO, G. . Influências da sazonalidade climática na reprodução do opilião Neotropical Goniosoma longipes (Roewer, 1913) (Opiliones: Gonyleptidae). In: III Encontro de Aracnologia, 1997, Jundiaí. III Encontro de Aracnologia, 1997.
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MACHADO, G. ; VASCONCELOS, C. H. F. . Agregações multiespecíficas em opiliões Neotropicais (Opiliones: Gonyleptidae). In: III Encontro de Aracnologia, 1997, Jundiaí. III Encontro de Aracnologia, 1997.
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MACHADO, G. ; RAIMUNDO, R. L. G. . Turno de locomoção e comportamento alimentar do opilião cavernícola Goniosoma longipes (Arachnida: Opiliones). In: XV Encontro Anual de Etologia, 1997, São Carlos. XV Encontro Anual de Etologia, 1997.
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MACHADO, G. ; GIARETTA, A. A. ; PINTO-DA-ROCHA, R. ; FACURE, K. G. . Diversidade da opiliofauna de serapilheira no sudeste brasileiro: variações altitudinais e sazonais. In: I Encontro de Aracnologia do Cone Sul, 1997, Montevidéu. I Encontro de Aracnologia do Cone Sul, 1997.
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MACHADO, G. ; RAIMUNDO, R. L. G. . Ecologia populacional do opilião Neotropical Goniosoma longipes (Arachnida: Opiliones). In: I Encontro de Aracnologia do Cone Sul, 1997, Montevidéu. I Encontro de Aracnologia do Cone Sul, 1997.
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MACHADO, G. . Ecologia comportamental do opilião Goniosoma badium (Gonyleptidae): cuidado à prole e fatores de mortalidade de ovos. In: XXI Congresso Brasileiro de Zoologia, 1996, Porto Alegre. XXI Congresso Brasileiro de Zoologia, 1996.
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MACHADO, G. . Comportamento gregário e reprodutivo do opilião Neotropical Goniosoma longipes (Arachnida: Opiliones: Gonyleptidae). In: III Congresso de Ecologia do Brasil, 1996, Brasília. III Congresso de Ecologia do Brasil, 1996.
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FERRAZ, G. ; MACHADO, G. ; PR Guimarães Jr. ; KOEHLER, S. . Fundamentos para o conteúdo e a implementação da pós-graduação em Ecologia.
Brasília:
Revista Brasileira de Pós-graduação, 2013 (Comentário).
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BRECOVIT, A. D. ; RHEIMS, C. A. ; MACHADO, G. . Encontros de Aracnologia do Cone Sul (1997 - 2003), um investimento de sucesso.
Campinas:
Biota Neotropica, 2005 (Comentário).
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MACHADO, G. . 3er Encuentro de Aracnólogos del Cono Sur.
Buenos Aires:
Boletín de la Sociedad Entomológica Argentina, 2002 (Comentário).