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INCIDENCE OF SPICULES ON THE AEDEAGI OF CHORISTONEURA FUMIFERANA, C. BIENNIS, AND C. UNIDENTIFIED SPECIES (LEPIDOPTERA: TORTRICIDAE)

Published online by Cambridge University Press:  31 May 2012

T.G. Gray ,
R.F. Shepherd  and
G.T. Harvey
T.G. Gray
Affiliation:
Natural Resources Canada, Pacific and Yukon Region, 506 West Burnside Road, Victoria, British Columbia, Canada V8Z 1M5
R.F. Shepherd
Affiliation:
Natural Resources Canada, Pacific and Yukon Region, 506 West Burnside Road, Victoria, British Columbia, Canada V8Z 1M5
G.T. Harvey
Affiliation:
Natural Resources Canada, Ontario Region, PO Box 490, Sault Ste Marie, Ontario, Canada P6A 5M7
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Abstract

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Adults of Choristoneura fumiferana, C. biennis, and an unidentified species reared from larvae or caught in pheromone traps from British Columbia were used for isozyme analysis to confirm the species identity, and for morphological study to determine the percentage of individuals with spiculate aedeagi. About 82% of C. fumiferana and less than 3% of both C. biennis and C. unidentified species (CPG) have spicules on the left side of their aedeagi. The number of moths that need to be sampled to determine a species is presented, based on the presence or absence of spicules.

Résumé

Des papillons adultes de Choristoneura fumiferana, de C. biennis et d’une espèce indéterminée issus de larves ou capturés dans un piège à phéromones en Colombie-Britannique ont été utilisés dans une analyse des isoenzymes pour confirmer l’identité des espèces, et dans une étude morphologique pour déterminer la proportion des individus à édéage spicule. Environ 82% des papillons de C. fumiferana et moins de 3% de ceux de C. biennis et de l’espèce indéterminée portaient de spicules du côté gauche de leur adéage. Le nombre de papillons devant être échantillonnés pour déterminer une espèce est indiqué, d’après la présence ou l’absence de spicules.

[Traduit par la Rédaction]

Type
Articles
Information
The Canadian Entomologist , Volume 127 , Issue 2 , April 1995 , pp. 161 - 166
Copyright
Copyright © Entomological Society of Canada 1995

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