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OVICIDAL EFFECT IN THE WHITE PINE WEEVIL, PISSODES STROBI (COLEOPTERA: CURCULIONIDAE), OF A SYNTHETIC ANALOGUE OF JUVENILE HORMONE1

Published online by Cambridge University Press:  31 May 2012

Arthur Retnakaran
Arthur Retnakaran
Affiliation:
Insect Pathology Research Institute, Canadian Forestry Service, Sault Ste. Marie, Ontario
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Abstract

Topical application of a synthetic juvenile hormone, 1-(4′-ethylphenoxy)-3,7-dimethyl-6,7-epoxy oct-2-ene, to the eggs of the white pine weevil, Pissodes strobi Peck, inhibits embryonic development. Both embryonic and post-embryonic mortality were observed. The construction of simulated ovipositional twigs used in collecting weevil eggs of known age is described. Possible physiological methods of controlling the weevil are discussed.

Résumé

L’application locale d’une hormone juvénile synthétique, 1-(4′-éthylphénoxy)-3, 7-diméthyl-6, 7-époxy oct-2-ène, sur l’oeuf du Charançon du Pin blanc (Pissodes strobi) empêche le développement de l’embryon. L’auteur observa que l’insecte mourait aux stades embryonnaire et post-embryonnaire. Il décrit la construction de rameaux simulés de ponte utilisés pour récolter les oeufs (d’âge connu) de Charançon. Il discute les méthodes possibles de répression physiologique de cet insecte.

Type
Articles
Information
The Canadian Entomologist , Volume 105 , Issue 4 , April 1973 , pp. 591 - 594
Copyright
Copyright © Entomological Society of Canada 1973

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