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SPRUCE BUDWORM (LEPIDOPTERA: TORTRICIDAE) MOTH FLIGHT FROM NEW BRUNSWICK TO NEWFOUNDLAND

Published online by Cambridge University Press:  31 May 2012

E. J. Dobesberger ,
K. P. Lim  and
A. G. Raske
E. J. Dobesberger
Affiliation:
Newfoundland Forest Research Centre, Canadian Forestry Service, St. John's, Newfoundland A1C 5X8
K. P. Lim
Affiliation:
Newfoundland Forest Research Centre, Canadian Forestry Service, St. John's, Newfoundland A1C 5X8
A. G. Raske
Affiliation:
Newfoundland Forest Research Centre, Canadian Forestry Service, St. John's, Newfoundland A1C 5X8
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Abstract

Numerous spruce budworm, Choristoneura fumiferana (Clem.), moths were observed and trapped in western Newfoundland between 8 and 17 July 1982. At that time about 91% of the native Newfoundland budworm population was in the 5th and 6th instars and less than 1% had pupated. Spruce budworm moths probably emigrated with the aid of suitable weather from New Brunswick to Newfoundland.

Résumé

Durant la période du 8 au 17 juillet 1982, de nombreux papillons de tordeuse des bourgeons de l'épinette, Choristoneura fumiferana (Clem.), ont été observés et capturés à l'ouest de Terre-Neuve. À cette même période, 91% de la population indigène de Terre-Neuve n'était qu'aux 5e et 6e stades larvaires et on retrouvait moins de 1% au stade de chrysalide. Les papillons de la tordeuse des bourgeons de l'épinette ont probablement emigré, avec l'aide de conditions favorables de température, du Nouveau-Brunswick jusqu'à Terre-Neuve.

Type
Articles
Information
The Canadian Entomologist , Volume 115 , Issue 12 , December 1983 , pp. 1641 - 1645
Copyright
Copyright © Entomological Society of Canada 1983

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