Trophic Behavior
Mostrando 1-12 de 29 artigos, teses e dissertações.
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1. Trade-off in plant-ant interactions: seasonal variations
Resumo Este trabalho avaliou o efeito da sazonalidade sobre a interação planta-formiga em uma Floresta Tropical Sazonal Seca, utilizando como modelo ecológico a espécie Ipomoea carnea subs. fistulosa (Convolvulaceae). Realizamos coleta sistemática de formigas, herbívoros e folhas em plantas marcadas, avaliamos a eficiência de captura de herbívoros pe
Braz. J. Biol.. Publicado em: 17/01/2020
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2. Trophic ecology of citrus pests based on stable isotope analysis
ABSTRACT: Macrodactylus pumilio Burm. (Coleoptera: Scarabeidae) and Naupactus cervinus (Boh.) (Coleoptera: Curculionidae) are considered primary pests in citrus crops in Brazil, causing damage to plants and decreasing productivity. However, few studies investigate the ecology of these insects. In this context, the use of stable isotopes analysis (SIA) emerge
Sci. agric. (Piracicaba, Braz.). Publicado em: 2018-12
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3. Diel Variations and Ecological Aspects in Fish Assemblages of a Sandy Beach in the Semi-Arid Region of Northeast Brazil.
ABSTRACT For the demersal fish that inhabit sandy beaches, the variation between day and night periods represents a determinant factor in their behavior, especially for species that live in shallow waters. This research aims at determining whether there are differences in the fish assemblage structure of the sandy beach of São Cristóvão, RN, Brazil, betwe
Braz. arch. biol. technol.. Publicado em: 31/10/2016
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4. Effects of season, sex and age on the diet of Homonota fasciata (Squamata, Phyllodactylidae) from Monte region of Argentina
Abstract This study aimed to investigate the diet of the gecko Homonota fasciata (Duméril & Bibron, 1836) in a population from Monte of San Juan Province, Argentina, and to analyze possible temporal, sexual, and ontogenetic variations in feeding behavior. We determined the total volume, number, and occurrence frequency of each prey item and calculated the r
Iheringia, Sér. Zool.. Publicado em: 01/08/2016
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5. Influência da agregação larval na história de vida de Ascia monuste orseis (Godart, 1819) (Lepidoptera, Pieridae) / Influence of larval aggregation on life-history traits of Ascia monuste orseis (Godart, 1819) (Lepidoptera, Pieridae)
In insects, the gregarious habit has been shown to improve foraging and defense against predation to both larval and adult stages. Egg clusters could also be beneficial through increased larval hatching. In this study, we tested the hypothesis that egg clusters and larval aggregations of the neotropical butterfly Ascia monuste orseis (Godart, 1819) (Pieridae
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 25/04/2012
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6. Atividades de voo de Melipona quadrifasciata Lepeletier, 1836 (Apidae, Meliponinae) e sua preferência floral no Parque das Neblinas, Mogi das Cruzes, SP / Flight activity of Melipona quadrifasciata Lepeletier, 1836 (Apidae, Meliponinae) and its floral preferences in the Parque das Neblinas, Mogi das Cruzes, SP
Os meliponíneos (Apidae, Meliponini) são insetos com organização altamente eussocial, formando colônias com população que varia de centenas a milhares de indivíduos. Em suas colônias, as operárias distribuem suas atividades conforme a faixa etária. As mais jovens são responsáveis pelos cuidados da cria, trabalhos com a cera e cerume, construçã
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 27/05/2011
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7. Ontogenetic predation capacity of Macrobrachium borellii (Caridea: Palaemonidae) on prey from littoral-benthic communities
Macrobrachium borellii is an abundant prawn of the Paraná River floodplain. Newly hatched juveniles have the general characteristics of adults, and they are proposed to have the same feeding habits. Its natural diet is composed mainly of animals' items rather than vegetals, of which dipteran larvae and oligochaetes are positively selected. However, the osci
Nauplius. Publicado em: 2011-06
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8. IMPLICAÇÕES DO MUTUALISMO TROFOBIÓTICO COM HEMÍPTEROS NA ATIVIDADE DE FORRAGEIO DE FORMIGAS ARBORÍCOLAS EM UM ECOSSISTEMA ARBÓREO MONTANO / IMPLICAÇÕES DO MUTUALISMO TROFOBIÓTICO COM HEMÍPTEROS NA ATIVIDADE DE FORRAGEIO DE FORMIGAS ARBORÍCOLAS EM UM ECOSSISTEMA ARBÓREO MONTANO
This study investigates a new case of trophobiotic interaction that occurs between ants and the herbivore Calloconophora pugionata, specialist of Myrcia obovata. In the first chapter we describe the trophobioses and analyze the benefits of the tending ants for treehopper survival and fecundity. Using an exclusion experiment we show that the absence of tendin
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 16/09/2010
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9. Polinizadores de Bertholletia excelsa (Lecythidales: Lecythidaceae): interações com abelhas sem ferrão (Apidae: Meliponini) e nicho trófico
This paper presents an analysis of the foraging behavior and interactions of Xylocopa frontalis Olivier (Apidae: Xylocopini) and Eulaema mocsaryi (Friese) (Apidae: Euglossini) in the presence of stingless bees (Apidae: Meliponini) in flowers of Bertholletia excelsa, the Brazilian nut. The palynological load carried by both species was also examined. This stu
Neotropical Entomology. Publicado em: 2010-12
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10. Effect of conspecific and plant volatiles of Murraya paniculata (L.) JACK, Psidium guajava L. and Citrus sinensis (L.) Osbeck on the behavior OF Diaphorina citri Kuwayama (Hemiptera: Psyllidae) / Efeito dos coespecíficos e voláteis das plantas Murraya paniculata (L.) Jack, Psidium guajava L. e Citrus sinensis (L.) Osbeck sobre o comportamento de Diaphorina citri Kuwayama (Hemiptera:Psyllidae)
The agro-ecosystems consist of complex trophic relationships between plants, herbivores and their natural enemies. It is known that the majority of plants can produce volatiles compounds used as chemical signals by different groups of insects. These compounds can be produced constitutively in healthy plants, i.e., without induction. In other hand, the produc
Publicado em: 2010
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11. Mamíferos de médio e grande porte em uma área alterada no cerrado : estrutura da comunidade, sobreposição de nicho e densidade
Medium and large sized mammals in a disturbed area in the Cerrado: community structure, niche overlap and density. Medium and large sized mammals are affected by fragmentation and habitat changes, and in Cerrado this group corresponds to species preferentially nocturnal, generalist in habitat use and with scarce information about density in modified environm
Publicado em: 2010
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12. Conhecimento Ecológico Local, Técnicas de Pesca e Uso dos Recursos Pesqueiros em Comunidades da Área de Proteção Ambiental Barra do Rio Mamanguape, Paraíba, Brasil.
This study was conducted among three coastal communities: Aritingui, Taberaba and Tavares, located on the right of the estuary of Mamanguape River (EMR) in Paraíba, and incorporated in the Environmental Protection Area of the namesake river. Its main objective is to study the local ecological knowledge and use of wildlife resources by fishermen and collecto
Publicado em: 2010