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INFLUENCES OF AQUATIC PLANTS ON COLONIZATION OF ARTIFICIAL PONDS BY MOSQUITOES AND THEIR INSECT PREDATORS

Published online by Cambridge University Press:  31 May 2012

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

The aquatic plants Utricularia minor L., Lemna minor L., and Elodea canadensis Rich. in Michx. were tested for their effects on the colonization of artificial ponds by mosquitoes and their predators. During the 11 weeks of sampling there were significantly fewer mosquito eggs, and hence mosquito larvae, in the plant-filled ponds than in plantless control ponds, and more predators in the Utricularia and Elodea ponds than in the plantless and Lemna ponds.

Résumé

Les plantes aquatiques Utricularia minor L., Lemna minor L., et Elodea canadensis Rich. in Michx. ont été évaluées pour leurs effets sur la colonisation d’étangs artificiels par les moustiques et leurs prédateurs. Au cours des 11 semaines d’échantillonnage, les œufs de moustiques, et en conséquence les larves, étaient significativement moins abondants dans les étangs avec des plantes que dans les étangs témoins sans plantes, et les prédateurs étaient plus nombreux dans les étangs à Utricularia ou à Elodea que dans les étangs à Lemna ou les étangs sans plantes.

Type
Articles
Information
The Canadian Entomologist , Volume 112 , Issue 8 , 01 August 1980 , pp. 793 - 796
Copyright
Copyright © Entomological Society of Canada 1980

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