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FIELD EVALUATION OF BLACKLIGHT AND SEX ATTRACTANT TRAPS FOR MONITORING SEASONAL DISTRIBUTION OF THE DARKSIDED CUTWORM (LEPIDOPTERA: NOCTUIDAE) IN ONTARIO1

Published online by Cambridge University Press:  31 May 2012

H. H. Cheng  and
D. L. Struble
H. H. Cheng
Affiliation:
Research Station, Agriculture Canada, Delhi, Ontario N4B 2W9
D. L. Struble
Affiliation:
Research Station, Agriculture Canada, Lethbridge, Alberta T1J 4B1
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Abstract

Field tests were conducted annually near Delhi, Ontario from 1977 to 1981 to evaluate blacklight and sex attractant traps for monitoring adult populations of the darksided cutworm, Euxoa messoria (Harris), in the major tobacco-producing area. There were no significant differences between the catches of sex attractant traps set at 1.0 m and 0.5 m above ground level. Sex attractant traps were superior to blacklight traps for monitoring populations of this pest species. There was a variation in abundance from year to year, but the time of peak occurrence of E. messoria adults was the same in each of the 5 years.

Résumé

On a effectué des essais annuels près de Delhi (Ontario) de 1977 à 1981 pour évaluer l'efficacité de pièges à lumière noire et aux phéromones sexuelles pour l'étude de populations adultes du ver-gris moissonneur, Euxoa messoria (Harris), dans la principale région tabacole. On n'observe aucune différence significative entre les captures des pièges sexuels installés à 1 et 0.5 m au-dessus du sol. Les pièges sexuels surpassent les pièges à lumière noire dans l'étude des populations de ce ravageur. On constate une variation de l'abondance du ravageur d'une année à l'autre, mais l'époque d'apparition la plus nombreuse des adultes est la même pour chacune des 5 années.

Type
Articles
Information
The Canadian Entomologist , Volume 114 , Issue 12 , December 1982 , pp. 1121 - 1125
Copyright
Copyright © Entomological Society of Canada 1982

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