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A SURVEY FOR THE AMBROSIA BEETLES TRYPODENDRON LINEATUM AND GNATHOTRICHUS RETUSUS (COLEOPTERA: SCOLYTIDAE) IN A SAWMILL USING PHEROMONE-BAITED TRAPS

Published online by Cambridge University Press:  31 May 2012

T. L. Shore  and
J. A. McLean
T. L. Shore
Affiliation:
Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia V8Z 1M5
J. A. McLean
Affiliation:
Faculty of Forestry, University of British Columbia, Vancouver, British Columbia V6T 1W5
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Abstract

The pheromones lineatum and (+)-sulcatol were used in traps in a sawmill to survey the ambrosia beetles Trypodendron lineatum (Olivier) and Gnathotrichus retusus (LeConte) respectively. Spatial and temporal distribution patterns for both species were identified. This information can be used for the establishment of a pheromone-based mass-trapping program for ambrosia beetles. The addition of ethanol and α-pinene to traps baited with (+)-sulcatol significantly increased the catches of G. retusus.

Résumé

Les phéromones lineatum et (+)-sulcatol ont été utilisées dans des pièges installés sur le site d'un moulin à scie afin de surveiller les scolytes Trypodendron lineatum (Olivier) et Gnathotrichus retusus (LeConte), respectivement. On a pu caractériser la distribution spatiale et temporelle de ces 2 espèces. Cette information pourra servir à établir un programme de piégeage en masse des scolytes à l'aide de phéromones. L'ajout d'éthanol et de l'α-pinène dans les pièges appâtés au (+)-sulcatol a augmenté significativement les captures de G. retusus.

Type
Articles
Information
The Canadian Entomologist , Volume 117 , Issue 1 , January 1985 , pp. 49 - 55
Copyright
Copyright © Entomological Society of Canada 1985

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