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EVIDENCE FOR A FEMALE-PRODUCED PHEROMONE IN THE WHITE PINE CONE BEETLE, CONOPHTHORUS CONIPERDA (SCHWARZ), AND IN THE RED PINE CONE BEETLE, C. RESINOSAE HOPKINS (COLEOPTERA: SCOLYTIDAE)

Published online by Cambridge University Press:  31 May 2012

P. de Groot ,
G.L. DeBarr ,
G.O. Birgersson ,
H.D. Pierce ,
J.H. Borden ,
Y.C. Berisford  and
C.W. Berisford
P. de Groot
Affiliation:
Forestry Canada, Forest Pest Management Institute, Box 490, Sault Ste. Marie, Ontario, Canada P6A 5M7 and Centre For Pest Management, Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
G.L. DeBarr
Affiliation:
USDA Forest Service, Southeastern Forest Experiment Station, Forestry Sciences Laboratory, Athens, Georgia, USA 30602
G.O. Birgersson
Affiliation:
Department of Entomology, University of Georgia, Athens, Georgia, USA 30602 and Department of Chemical Ecology, Göteborg University, 41320, Göteberg, Sweden
H.D. Pierce
Affiliation:
Department of Chemistry, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
J.H. Borden
Affiliation:
Centre for Pest Management, Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
Y.C. Berisford
Affiliation:
USDA Forest Service, Southeastern Forest Experiment Station, Forest Sciences Laboratory, Athens, Georgia, USA 30602
C.W. Berisford
Affiliation:
Department of Entomology, University of Georgia, Athens, Georgia, USA 30602
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Abstract

Evidence for a female-produced sex pheromone in the white pine cone beetle, Conophthorus coniperda (Schwarz), and the red pine cone beetle, C. resinosae Hopkins, was obtained from laboratory bioassays and field experiments conducted with C. coniperda beetles from Ontario and North Carolina. In an olfactometer, males from both species responded significantly more to volatiles from females than to volatiles from males or cones. Generally, females did not differ in their response to female-, male-, or cone-produced volatiles. Both sexes responded to host volatiles. The strong response by male C. coniperda to females was confirmed in field tests.

Résumé

L’existence d’une phéromone sexuelle femelle chez le Scolyte des cônes du pin blanc, Conophthorus coniperda (Schwarz), et le Scolyte des cônes du pin rouge, C. resinosae Hopkins, a été mise en évidence par des expériences en laboratoire et par des tests en nature sur des C. coniperda d’Ontario et de Caroline du Nord. Dans un olfactomètre, les mâles des deux espèces réagissaient plus aux substances volatiles émises par les femelles qu’à celles émanant des mâles ou des cônes. De façon générale, les femelles réagissaient de la même façon aux substances volatiles des femelles, des mâles et des cônes. Les individus des deux sexes réagissaient aux substances volatiles de l’hôte. La réaction vive des mâles de C. coniperda aux femelles a été confirmée au cours de tests en nature.

[Traduit par la rédaction]

Type
Articles
Information
The Canadian Entomologist , Volume 123 , Issue 5 , October 1991 , pp. 1057 - 1064
Copyright
Copyright © Entomological Society of Canada 1991

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