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INFLUENCE OF SOIL TYPE, SOIL MOISTURE, AND SOIL SURFACE CONDITIONS ON OVIPOSITION PREFERENCE OF THE NORTHERN CORN ROOTWORM, DIABROTICA LONGICORNIS (COLEOPTERA: CHRYSOMELIDAE)1

Published online by Cambridge University Press:  31 May 2012

C. R. Dominique ,
W. N. Yule  and
P. Martel
C. R. Dominique
Affiliation:
Entomology Department, Macdonafd Campus of McGill University, Ste. Anne de Bellevue, Quebec H9X 1C0
W. N. Yule
Affiliation:
Entomology Department, Macdonafd Campus of McGill University, Ste. Anne de Bellevue, Quebec H9X 1C0
P. Martel
Affiliation:
Research Station, Agriculture Canada, St. Jean, Quebec J3B 628
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Abstract

In laboratory studies, ovipositing northern corn rootworm beetles significantly preferred Ste. Rosalie clay soil with particles 1 mm – 1.4 cm in diameter. In the field, unaltered local farm soil with natural cracks was preferred for oviposition to mechanically-disturbed soil. Surface condition, surface cover, and soil moisture all combined to influence the choice of oviposition site in field soils.

Résumé

En laboratoire la chrysomèle des racines du maïs a préféré l'argile particules de Ste. Rosalie 1 mm – 1.5 cm diamètre. En champ, les insectes ont préféré pour leur oviposition les interstices du sol naturel à ceux de sol remué mécaniquement. Le choix du site d'oviposition en champ fut influencé par la couverture végétale, l'humidité et la condition de la surface du sol.

Type
Articles
Information
The Canadian Entomologist , Volume 115 , Issue 8 , August 1983 , pp. 1043 - 1046
Copyright
Copyright © Entomological Society of Canada 1983

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References

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