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INFLUENCES OF EXTRACTS OF FRESHWATER VEGETATION ON THE SURVIVAL AND OVIPOSITION BY AEDES AEGYPTI (DIPTERA: CULICIDAE)

Published online by Cambridge University Press:  31 May 2012

Nello P. D. Angerilli
Affiliation:
Pestology Centre, Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia V5A 1S6

Abstract

Extracts of eight species of freshwater vegetation were tested for toxicity against larvae of Aedes aegypti L. All extracts were found to be toxic. The same extracts and culture water from one of the species were also tested for their possible influences on the oviposition behaviour of A. aegypti. Extracts of six species repelled ovipositing females; one extract and the culture water attracted ovipositing females; and one extract type had no influence on the oviposition behaviour.

Résumé

Des extraits de 8 espèces de végétation d’eau douce ont été testés pour leur toxicité envers les larves d’Aedes aegypti L. Tous les extraits se sont avérés toxiques. Les mêmes extraits et l’eau de culture de l’une des espèces ont aussi été testées pour leurs effets possibles sur le comportement de ponte d’A. aegypti. Les extraits de 6 espèces se sont avérés répulsifs pour la ponte des femelles, alors que l’extrait d’une espèce et l’eau de culture se sont révélés attractifs pour les femelles; l’un des extraits n’a eu aucun effet sur le comportement de ponte.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1980

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