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Composition of the froth secreted by different spittlebug species. Repositório Alice
MELLO, M. L. S.; CARVALHO, H. F.; SA, L. A. N. de.
The froth secreted by the spittlebugs protects the immature forms of these pests of pasture and agriculture from environmental damages. Frothes from Deois flavopicta, Mahanarva fimbriolata, Aeneolamia selecta selecta and Deois sp. (schach group) were compared for the purpose of establishing differences that could refleted upon control of these insects. The preparations were analyzed with topochemical methods and polarization microscopy. All of them were found to contain structural proteins and proteoglycans. However, the frothes of M. fimbriolata and Deois sp. appear to differ from the others in terms of anisotropic properties after staining with alcian blue, especially at pH 1.0. Differences in the acid glycosaminoglycans of these frothes, endowing them...
Tipo: Parte de livro Palavras-chave: Pasture; Bugs; Insect; Pest; Aeneolamia selecta selecta; Deois sp; Composition.; Deois Flavopicta; Mahanarva Fimbriolata..
Ano: 1987 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/9874
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Controle químico do percevejo Dichelops (Neodichelops) melacanthus (Dallas) (Heteroptera: Pentatomidae) na cultura do milho safrinha. Infoteca-e
GOMEZ, S. A..
bitstream/item/39613/1/Cot44-98.pdf
Tipo: Comunicado Técnico (INFOTECA-E) Palavras-chave: Pests of plants; Bugs; Maize.; Controle Químico; Cerrado; Heteroptera; Milho; Percevejo; Praga de Planta; Zea Mays.; Dichelops melacanthus; Chemical control..
Ano: 1998 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/242135
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Toxicity and synergism of insecticides against susceptible and pyrethroid-resistant third instars of the tobacco budworm (Lepidoptera: Noctuidae). Repositório Alice
CAMPAGNOLLA, C.; PLAPP JUNIOR, F. W..
Third-instar tobacco budworms, Heliothis, susceptible or resistant to pyrethroids were tested by exposure to residues of insecticides in glass liquid scintilillation vials. These biossays were done to find alternative insecticides or insecticide combinations for control of larvae resistant to pyrethroids, to evaluate the effect of synergists on insecticide toxicity and resistance, and to establish the main mechanisms of resistance present. Insecticides effective for control of resistant third-instar tobacco budworms included profenofos, sulprofos, acephate, endusulfan, methomyl, and thiodicarb. Cypermethrin combined with chlordimeform, piperonyl butoxide nor chlordimeform produced more thenfive-fold synergism. The only synergistic insecticide combination...
Tipo: Separatas Palavras-chave: Bugs; Insecticide; Pyrethroid; Resistence; Susceptibility; Insect; Pest; Tobacco budworms; Heliothis Virescens; Lepidoptera; Noctuidae; Chemical control; Synergism; Toxicity.
Ano: 1989 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/9883
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