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EFFECTS OF AN OPERATIONAL APPLICATION OF DIMILIN® ON NON-TARGET INSECTS

Published online by Cambridge University Press:  31 May 2012

Bradley E. Sample ,
Linda Butler  and
Robert C. Whitmore
Bradley E. Sample
Affiliation:
Division of Forestry, West Virginia University, Morgantown, West Virginia, USA 26506
Linda Butler
Affiliation:
Division of Forestry, West Virginia University, Morgantown, West Virginia, USA 26506
Robert C. Whitmore
Affiliation:
Division of Forestry, West Virginia University, Morgantown, West Virginia, USA 26506
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Abstract

Effects of an operational application of Dimilin® on non-target insects were evaluated in eastern West Virginia in 1988 and 1989. Dimilin was applied in 1988 (70,75 g AI per ha). Insects were collected by light-traps at seven pairs of Dimilin-treated and control sites. Lepidoptera experienced the greatest impact, displaying reduced abundance and species richness at treated sites. No effects were observed among Coleoptera, Diptera, or Hymenoptera.

Résumé

Les effets d’une application opérationnelle de Dimilin® sur les insectes non-ciblés ont été évalués en Virginie de l’Ouest en 1988 et 1989. Le produit a été appliqué en 1988 (70,75 g AI par ha). Des récoltes au piège lumineux dans sept paires de sites traités et témoins ont révélé que ce sont les Lépidoptères qui avaient subi le plus grand impact, et que leur abondance et leur richesse spécifique avaient diminué aux sites traités. Les Coléoptères, les Diptères et les Hyménoptères ne semblent pas avoir été affectés.

[Traduit par la rédaction]

Type
Articles
Information
The Canadian Entomologist , Volume 125 , Issue 2 , April 1993 , pp. 173 - 179
Copyright
Copyright © Entomological Society of Canada 1993

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