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TWO TWO-COMPONENT SEX ATTRACTANT BLENDS FOR ADULT MALES OF THE STRIPED CUTWORM, EUXOA TESSELLATA (LEPIDOPTERA: NOCTUIDAE)

Published online by Cambridge University Press:  31 May 2012

D. L. Struble ,
W. F. Steck ,
G. E. Swailes ,
M. D. Chisholm ,
E. W. Underhill  and
C. E. Lilly
D. L. Struble
Affiliation:
Research Station, Agriculture Canada, Lethbridge, Alberta T1J 4B1.
W. F. Steck
Affiliation:
Prairie Regional Laboratory, National Research Council of Canada, Saskatoon, Saskatchewan S7N 0W9.
G. E. Swailes
Affiliation:
Research Station, Agriculture Canada, Lethbridge, Alberta T1J 4B1.
M. D. Chisholm
Affiliation:
Prairie Regional Laboratory, National Research Council of Canada, Saskatoon, Saskatchewan S7N 0W9.
E. W. Underhill
Affiliation:
Prairie Regional Laboratory, National Research Council of Canada, Saskatoon, Saskatchewan S7N 0W9.
C. E. Lilly
Affiliation:
Research Station, Agriculture Canada, Lethbridge, Alberta T1J 4B1.
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Abstract

Male moths of striped cutworm, Euxoa tessellata (Harris), were specifically attracted to blends of Z-5-tetradecenyl acetate or Z-5-hexadecenyl acetate with Z-7-hexadecenyl acetate. The most satisfactory quantities of these components per septum dispenser were: Z-5-tetradecenyl and Z-7-hexadecenyl acetates at 2.5 and 500 μg, or Z-5-hexadecenyl and Z-7-hexadecenyl acetates each at 500 μg. The addition of 1.0% Z-7-hexadecenol relative to Z-7-hexadecenyl acetate in either of these blends inhibited the attraction of males. The blend involving Z-5-tetradecenyl acetate is recommended for monitoring purposes.

Résumé

Les papillons mâles du ver-gris rayé Euxoa tessellata (Harris), ont été attirés spécifiquement par des mélanges de Z-5-tétradécényl acétate ou de Z-5-hexadécényl acétate avec du Z-7-hexadécényl acétate. Les quantités les plus appropriées de ces composantes par septum dispensateur étaient : 2.5 et 500 μg pour les acétates de Z-5-tétradécényl et de Z-7-hexadécényl, ou de 500 μg chacun pour les acétates de Z-5-hexadécényl et de Z-7-hexadécényl. L'addition de 1% de Z-7-hexadécénol par rapport au Z-7-hexadécényl acétate dans l'un ou l'autre de ces mélanges prévient l'attraction des mâles. Le mélange contenant du Z-5-tétradécényl acétate est recommandé pour la surveillance des populations.

Type
Articles
Information
The Canadian Entomologist , Volume 114 , Issue 4 , April 1982 , pp. 359 - 362
Copyright
Copyright © Entomological Society of Canada 1982

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