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MORPHOGENETIC EFFECTS OF AN INHIBITOR OF CUTICLE DEVELOPMENT ON THE SPRUCE BUDWORM, CHORISTONEURA FUMIFERANA (LEPIDOPTERA: TORTRICIDAE)1

Published online by Cambridge University Press:  31 May 2012

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

1-(4-chlorophenyl)-3-(2,6-difluorobenzoyl)-urea when ingested by the last two larval instars of the spruce budworm, Choristoneura fumiferana, inhibits cuticle development leading to morphogenetic deformities in the pupal stage. Laboratory and greenhouse studies indicate that this material could be used to control natural populations of spruce budworm.

Résumé

L’ingestion de 1-(4-chlorophenyl)-3-(2,6-difluorobenzoyl)-urée par la Tordeuse des bourgeons de l’Epinette (Choristoneura fumiferana) aux deux derniers stades larvaires, inhibe le développement cuticulaire qui détermine les difformités morphogénétiques à la nymphose. Des études effectuées au laboratoire et sous serre montrent que cette substance pourrait servir à la régulation des populations naturelles de la Tordeuse des bourgeons de l’Epinette.

Type
Articles
Information
The Canadian Entomologist , Volume 107 , Issue 8 , August 1975 , pp. 883 - 886
Copyright
Copyright © Entomological Society of Canada 1975

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References

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