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CONTACT TOXICITY OF TWENTY-ONE INSECTICIDES TO ADULTS OF THE CARROT RUST FLY (DIPTERA: PSILIDAE)

Published online by Cambridge University Press:  31 May 2012

C.R. Harris ,
S.A. Turnbull  and
D.G.R. McLeod
C.R. Harris
Affiliation:
Research Centre, Agriculture Canada, University Sub Post Office, London, Ontario, Canada N6A 5B7
S.A. Turnbull
Affiliation:
Research Centre, Agriculture Canada, University Sub Post Office, London, Ontario, Canada N6A 5B7
D.G.R. McLeod
Affiliation:
Research Centre, Agriculture Canada, University Sub Post Office, London, Ontario, Canada N6A 5B7
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Abstract

Direct-contact toxicity tests were done with 21 insecticides to assess their potential for controlling adults of the carrot rust fly, Psila rosae (Fabricius) (Diptera: Psilidae). Chlorpyrifos, chlorfenvinphos, fensulfothion, carbofuran, cypermethrin, and mevinphos were 1.2 to 2.8 ×, and deltamethrin 22 ×, more toxic to flies (24–48 h old) than was diazinon, the insecticide currently used most commonly to suppress first-generation adults of the carrot rust fly.

Résumé

On a testé la toxicité de contact direct de 21 insecticides afin d'évaluer leur pouvoir de répression des adultes de la mouche de la carotte, Psila rosae (Fabricius) (Diptera : Psilidae). Le chlorpyrifos, le chlorfenvinphos, le fensulfothion, le carbofuran, le cypermethrin, et le mevinphos se sont avérés de 1,2 à 1,8 fois, et le deltamethrin 22 fois, plus toxiques vis-à-vis des mouches de 24 à 48 h, que le diazinon, l'insecticide actuellement le plus utilisé contre les adultes de la première génération de la mouche de la carotte.

Type
Articles
Information
The Canadian Entomologist , Volume 117 , Issue 8 , August 1985 , pp. 1025 - 1027
Copyright
Copyright © Entomological Society of Canada 1985

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