β-Phellandrene: kairomone for pine engraver,Ips pini (Say) (Coleoptera: Scolytidae) |
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Authors: | Daniel R. Miller John H. Borden |
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Affiliation: | (1) Centre for Pest Management Department of Biological Sciences, Simon Fraser University, V5A 1S6 Burnaby, British Columbia, Canada |
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Abstract: | The responses ofIps pini (Scolytidae) to multiple-funnel traps baited with the pheromone, ipsdienol, and various monoterpenes were determined in stands of lodgepole pine in southern and central British Columbia.Ips pini was attracted to both ipsdienol and -phellandrene, demonstrating that -phellandrene is a kairomone for this species.Lasconotus complex (Colydiidae) and aCorticeus sp. (Tenebrionidae) were attracted to both ipsdienol and -phellandrene. TheCorticeus sp. exhibited a synergistic response to the combination of ipsdienol and -phellandrene; the responses of the other two species to the combination were additive. The predators,Thanasimus undatulus, Enoclerus sphegeus, andE. lecontei (Cleridae), were attracted to ipsdienol-baited traps, whileMonochamus clamator (Cerambycidae) andDendroctonus ponderosae (Scolytidae) were attracted to -phellandrene. Attraction of all eight species increased with increasing release rates of ipsdienol and/or -phellandrene. |
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Keywords: | Kairomone /content/wwp047245863751t/xxlarge946.gif" alt=" beta" align=" MIDDLE" BORDER=" 0" >-phellandrene ipsdienol monoterpenes Ips pini Coleoptera Scolytidae predators competition primary attraction dose response |
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