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DIAPAUSE IN THE PHARATE ADULT STAGE OF INSECT DEVELOPMENT

Published online by Cambridge University Press:  31 May 2012

T. S. Sahota ,
D. S. Ruth ,
A. Ibaraki ,
S. H. Farris  and
F. G. Peet
T. S. Sahota
Affiliation:
Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia V8Z 1M5
D. S. Ruth
Affiliation:
Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia V8Z 1M5
A. Ibaraki
Affiliation:
Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia V8Z 1M5
S. H. Farris
Affiliation:
Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia V8Z 1M5
F. G. Peet
Affiliation:
Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia V8Z 1M5
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Abstract

Pharate adult (adult within the pupal cuticle) diapause was discovered in Barbara colfaxiana (Kft.) and is reported. This phenomenon is uncommon in insect development. It was also shown that both the termination of diapause and the subsequent advancement of pharate adult development can occur at 0 °C.

Résumé

Le présent article porte sur la découverte chez Barbara colfaxiana (Kft.) d'un phénomène rare, une diapause au stade pharaté (stade où l'adulte se trouve à l'intérieur de la cuticule nymphale). De plus, il est démontré que l'achèvement de la diapause et le développement ultérieur peuvent se faire à 0 °C.

Type
Articles
Information
The Canadian Entomologist , Volume 114 , Issue 12 , December 1982 , pp. 1179 - 1183
Copyright
Copyright © Entomological Society of Canada 1982

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