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3.
Mem. Inst. Oswaldo Cruz ; 84(1): 47-51, jan.-mar. 1989. tab
Article in English | LILACS | ID: lil-77480

ABSTRACT

Extratos brutos, etanólicos, hexânicos, liofilizados de diversos vegetais e ácido anacárdico foram testados quanto a sua influência sobre o comportamento de oviposiçäo das fêmeas de Aedes fluviatilis (Lutz), nas concentraçöes de 100, 10 e 1 ppm. Os estratos de Allium sativum, jatropha curcas. MiKania schenkii, Poinciana regia s Spatodea campanulata mostraram-se repelentes (alfa = 0,05) para as fêmeas na concentraçäo de 100 ppm e os de Anacardium occidentale, Bidens segetum e Caesalpinia peltophoroides também na de 10 ppm. Os extratos Coriandrum stivum (100, 10 e 1 ppm), chara zeylanica (10 ppm), Cupressus sempervirens (10 ppm), Foeniculum vulgare (10 ppm) e Spatodea campanulata (1 ppm) atrairam a oviposiçäo das fêmeas; 13 (52,0%) dos extratos testados foram indiferentes as fêmeas nas concentraçöes utilizadas


Subject(s)
Animals , Aedes , Behavior, Animal/drug effects , Oviposition , Plant Extracts
4.
Mem. Inst. Oswaldo Cruz ; 83(2): 213-8, abr.-jun. 1988. ilus
Article in English | LILACS | ID: lil-80063

ABSTRACT

Several larval and pupal products of Aedes fluviatilis (Lutz) were tested for their influence on the oviposition behaviour of females of the same species. Significant (alfa = 0,05) atractiveness was shown by: larval water, previously containing 5 to 15 larvae/1,5 ml; larval water, preserved up to 38 days; evaporate and reconstructed larval water extracts up to 2 years after production and water filtered through fresh or dried ground larvae. hexanic larval water extracts and water filtered through fresh or dired ground pupae did not influence oviposition


Subject(s)
Aedes , Behavior, Animal , Oviposition , Larva , Pupa
5.
Mem. Inst. Oswaldo Cruz ; 83(1): 87-93, Jan.-Mar. 1988. tab
Article in Portuguese | LILACS | ID: lil-65365

ABSTRACT

As propriedades larvicidas de 34 extratos, provenientes de 29 vegetais, foram testados em larvas de Aedes fluviatilis (Lutz) (Diptera: Culicidae) nas concentraçöes de 100, 10 e 1 ppm. 26,5% dos exames utilizados, reduziram significamente a sobrevida larvária (alfa = 0,05), quando empregados na concentraçäo de 100 ppm (Anacardium occidentale, Agave americana, Allium sativum, Coriandrum sativum, Nerium oleander, Spatodea campanulata, Tibouchina scrobiculata e Vernonia salzmanni). O ácido anacárdio (A. occidentale) mostrou-se larvicida na concentraçäo de 10 ppm e o extrato bruto de A. sativum foi eficaz contra as larvas na concentraçäo de 1 ppm


Subject(s)
Animals , Aedes , Insecticides , Larva , Plant Extracts
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