Herbivory
Mostrando 25-36 de 141 artigos, teses e dissertações.
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25. Reproductive behaviours and host plant selection mediated by semiochemicals in Neoleucinodes elegantalis (Lepidoptera: Crambidae) / Comportamento reprodutivo e seleção de hospedeiro mediada por semioquímicos em Neoleucinodes elegantalis (Lepidoptera: Crambidae)
The searching behaviour in insects is important to acquire food, meeting mates, oviposition sites location and protect the insects against predators. Thus, the majority of herbivorous insects select their host plant and, in particular, the plants part, which it will feed and oviposit on, using, among other tools, host plants semiochemicals. This paper aims:
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 27/07/2011
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26. Induction of insect plant resistance to the spittlebug Mahanarva fimbriolata Stål (Hemiptera: Cercopidae) in sugarcane by silicon application
Changes in the agroecosystem with the increase of green cane harvesting in Brazil affected the insect populations associated to this crop, and secondary pests like the spittlebug Mahanarva fimbriolata Stål, became much more important. Many studies have demonstrated the active role played by silicon in plant defense against herbivory. The objective of this s
Neotropical Entomology. Publicado em: 2011-06
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27. Test of hypotheses about herbivory and chemical defences of Qualea parviflora (Vochysiaceae) in Brazilian Cerrado
(Teste de hipóteses sobre herbivoria e defesas químicas de Qualea parviflora (Vochysiaceae) no Cerrado brasileiro). Qualea parviflora Mart. (Vochysiaceae), uma árvore amplamente distribuída em diferentes habitats no Cerrado brasileiro, fornece recursos para uma grande variedade de insetos. Neste estudo, foram testadas duas hipóteses sobre o investimento
Brazilian Journal of Botany. Publicado em: 2011-06
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28. Climate change and its effects on terrestrial insects and herbivory patterns
Climate change and extreme weather events affect plants and animals and the direct impact of anthropogenic climate change has been documented extensively over the past years. In this review, I address the main consequences of elevated CO2 and O3 concentrations, elevated temperature and changes in rainfall patterns on the interactions between insects and thei
Neotropical Entomology. Publicado em: 2011-04
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29. Herbivory affects ovarian development in the zoophytophagous predator Brontocoris tabidus (Hetereoptera, Pentatomidae).
The effect of prey-based and combination prey and plant-based diets [Tenebrio molitor pupae alone; T. molitor pupae and Eucalyptus cloeziana plants; T. molitor pupae and Eucalyptus urophylla plants; and T. molitor pupae and Psidium guajava (guava) plants] on the morphometry of the ovary of Brontocoris tabidus (Signoret) (Heteroptera: Pentatomidae) was analyz
Journal of Pest Science. Publicado em: 2011
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30. Novas evidências e análise quantitativa das interações inseto-planta no permiano inferior da Bacia do Paraná
O presente estudo apresenta uma re-análise dos registros de interação inseto-planta na ¿Flora Glossopteris¿, relativos ao Permiano Inferior da Bacia do Paraná, no Rio Grande do Sul e Santa Catarina. O material preservado na forma de impressões/compressões foliares é proveniente do topo do Grupo Itararé, do Grupo Guatá (Formação Rio Bonito) e do
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 2011
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31. Chemical defenses of the tropical marine seaweed Canistrocarpus cervicornis against herbivory by sea urchin
Este artigo demonstra a química defensiva anti-herbivoria da macroalga parda marinha Canistrocarpus cervicornis. Em sua concentração natural, o extrato bruto em diclorometano (DCE) inibiu significativamente o consumo alimentar do ouriço-do-mar Lytechinus variegatus. Deste extrato em DCE foi isolado o metabólito majoritário identificado como o diterpeno
Brazilian Journal of Oceanography. Publicado em: 2010-09
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32. Cultivation of native seaweed Gracilaria domingensis (Rhodophyta) in Southern Brazil
The aim of this work was to study the cultivation of Gracilaria domingensis in a mussel farming urbanized area in Santa Catarina, Brazil. Relative growth rate was the parameter used to evaluate the cuttings attachment methods on the cultivation rope, cuttings density, cultivation period and cystocarpic versus unfertile thalli performance. The cultivation was
Brazilian Archives of Biology and Technology. Publicado em: 2010-06
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33. Interações ecológicas em Malpighiaceae no cerrado: compartilhamento de guildas de herbívoros e variações nos resultados da interação formiga-planta / Ecological interactions in Malpighiaceae in the Cerrado: sharing of guilds from herbivores and variations in the results of ant-plant interaction
Ecological interactions represent essential tools for a better understanding of natural communities, having in animal-plant relationships important models for study. For that, become needful phenological analyses of plants, capable of demonstrating the flowering strategies and with it the ways of temporal organization of resources available for herbivores. T
Publicado em: 2010
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34. Expressão gênica e voláteis induzidos pela herbivoria de Spodoptera frugiperda (J. E. Smith) (Lepidoptera:Noctuidae) em milho, Zea mays L. (Poaceae) / Gene expression and volatile compounds induced by herbivory of Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae) in corn, Zea mays L. (Poaceae)
Em resposta aos danos ocasionados por insetos, as plantas emitem voláteis que atraem os inimigos naturais desses herbívoros. Embora essa relação tritrófica venha sendo intensamente estudada, muitos mecanismos envolvidos nesta interação ainda permanecem inexplorados. Dentre os compostos voláteis induzidos por herbivoria e emitidos pelas plantas, os te
Publicado em: 2010
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35. The loss of leaf and its relation to genus Ectatomma (Formicidae:Ecatomminae) in a cerrado community / A perda de área foliar e sua relação com o gênero Ectatomma (Formicidae: Ectatomminae) em uma comunidade de cerrado
The loss of leaf area, mostly resulting from the action of herbivores is one of the factors that regulate the reproductive success of a plant and indirectly to all consumers connected to the community. Most studies of herbivory and leaf loss are punctual, i.e., refer to one or a few plant species. In the cerrado, a tropical savanna in Brazil, the largest sav
Publicado em: 2010
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36. Estudo de interações de parasitoides de insetos endófagos em frutos do cerrado
Interactions between endofagous insects in fruits play an important role in ecological communities, since the seed survivorship and hence the successes in recruitment of plant populations are directed related to damage caused by the herbivory from these insects. Because of the specialization of the herbivorous insects, the insect-plant interactions tend to b
Publicado em: 2010