Leaf Beetles
Mostrando 1-12 de 16 artigos, teses e dissertações.
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1. Besouros crisomelídeos em plantios de eucalipto na Zona da Mata Mineira
Resumo A cultura do eucalipto tem crescido nos últimos anos na Mesorregião da Zona da Mata Mineira. Entretanto, apesar dos fatores favoráveis para o estabelecimento de plantios de eucalipto nessa região, a ocorrência de besouros desfolhadores da família Chrysomelidae pode inviabilizar tais projetos florestais. Portanto, o objetivo deste trabalho foi re
Ciênc. Florest.. Publicado em: 30/05/2019
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2. Insects associated with tropical foliage produced in the coffee growing region of Colombia
We conducted a survey of insects and pest management practices on 34 farms growing ornamental tropical foliage plants in the central coffee region of Colombia over two years. Tropical foliage provided habitat for a diverse range of insects. In total, phytophagous or detritivorous insects from six orders, 40 families and 62 genera were collected. The most com
Rev. Bras. entomol.. Publicado em: 20/09/2013
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3. Chrysomelidae (insecta/coleoptera) como biondicadores de qualidade ambiental em áreas de Cerrado no estado de Goiás -Brasil / Bioindicators Chrysomelidae ( INSECTA/COLEOPTERA) enviromental quality in cerrado vegetacion in central Brazil
O conhecimento da composição das comunidades naturais e de suas respostas as alterações antropogênicas é essencial para determinar o estado de conservação de um determinado sistema e priorizar ações de manejo. Impactos antropogênicos poderiam causar uma redução da biodiversidade, não só devido à perda de habitat, mas também devido à perda d
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 18/03/2011
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4. Species and weather influence on Chrysomelidae populations / Levantamento das espécies e influência de variáveis climáticas sobre populações de Chrysomelidae
Chrysomelidae is one of the most important families in the Coleoptera order. Currently, it is estimated that from 35,000 to 50,000 chrysomelid species are known. They are known as leaf beetles which may be important forest regulation factors. The aim of this research was to identify Chrysomelidae taxa at the Estação de Pesquisa, Treinamento e Educação Am
Publicado em: 2008
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5. Manejo de coleópteros desfolhadores com atrativos e repelentes em cultivos orgânicos / Management of leaf eating coleopterans with attractive and repellents substances in organic crops
The common bean crops (Phaseolus vulgaris L.) is very important for the human food due its proteins and energetic composition. In Brazil, its social and economical importance is due to the fact its the main responsible to supply the nutritional necessity of the poorer population and of the small familiar farmers that aredevoted to bean production. In a simil
Publicado em: 2005
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6. Efeito de produtos vegetais na qualidade fisiologica e sanitaria de sementes de labe-labe (Dolichos lablab L.) na armazenagem
The lablab bean (Dolichos lablab L.) is a useful annual or biennial fabacea of ample potencial use in agriculture as forage, hay, fodder, ensilage, green manure and even as human feed in certain countries. In the State of São Paulo (Brazil), cv. Rongai is the one most often found commercial/y. Its seeds, however, are frequently attacked by insects, special/
Publicado em: 1998
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7. Partilha de recursos entre Botanochara sedecimpustulata (Fabricius, 1781) e Zatrephina lineata (Fabricius, 1787) (Coleoptera, Chrysomelidae, Cassidinae), em Ipomoea asarifolia (Convolirilaceae), na Ilha de Marajo, Para, Brasil
The two chrysomelid beetles Botanochara sedecimpustulata and Zatrephina lineata were found coexisting on Marajó Island (0° and 2° S / 48° 20 and 51 ° W), feeding on Ipomoea asarifolia (Convolvulaceae) leaves, in vacant lots and grazing areas. The vegetative growthof such a host plant begins with the raining season outset (middle December) and extends up
Publicado em: 1997
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8. Artificial diets for rearing the Colorado potato beetle, Leptinotarsa decemlineata
Colorado potato beetles have been reared successfully through 12 generations on artificial diets containing either 2.5% potato leaf powder or 2.5% lettuce leaf powder/0.75% potato leaf powder. For all but one of the treatment groups, the mean duration of each of the four larval stages was between 0.8 and 1.5 days longer than the durations exhibited by contro
University of Arizona Library.
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9. Feeding specialization and host-derived chemical defense in Chrysomeline leaf beetles did not lead to an evolutionary dead end
Combination of molecular phylogenetic analyses of Chrysomelina beetles and chemical data of their defensive secretions indicate that two lineages independently developed, from an ancestral autogenous metabolism, an energetically efficient strategy that made the insect tightly dependent on the chemistry of the host plant. However, a lineage (the interrup
The National Academy of Sciences.
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10. Selective transport systems mediate sequestration of plant glucosides in leaf beetles: A molecular basis for adaptation and evolution
Chrysomeline larvae respond to disturbance and attack by everting dorsal glandular reservoirs, which release defensive secretions. The ancestral defense is based on the de novo synthesis of monoterpene iridoids. The catabolization of the host-plant O-glucoside salicin into salicylaldehyde is a character state that evolved later in two distinct lineages, whic
National Academy of Sciences.
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11. Responses of two ladybeetles to eight fungicides used in Florida citrus: Implications for biological control
Two ladybeetles, Cycloneda sanguinea and Harmonia axyridis, were exposed in the laboratory to eight fungicide formulations commonly used in citrus production in Florida. Both benomyl and the combination of copper and petroleum oil proved toxic to larvae of C. sanguinea that were exposed to concentrations corresponding to recommended field rates, either as le
University of Arizona Library.
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12. Cross-Resistance and Resistance Longevity as Induced by Bean Leaf Beetle, Cerotoma trifurcata and Soybean Looper, Pseudoplusia includens herbivory on Soybean
Cross-resistance, and longevity of resistance, induced by the bean leaf beetle, Cerotoma trifurcata, was studied IN the soybean PI 227687 that exhibited induced response in earlier studies. Bean leaf beetle adults and soybean looper, Pseudoplusia includens, larvae were used to induce resistance and to determine beetle feeding preference. Beetles were collect
University of Arizona Library.