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Field Bioassays of Synthetic Pheromones and Host Monoterpenes for Conophthorus coniperda (Coleoptera: Scolytidae)Author(s): Peter de Groot; Gary L. DeBarr; Goran Birgersson
Source: Environ.Entomol. 27(2): 382-387 (1998)
Publication Series: Miscellaneous Publication
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DescriptionFour major monoterpenes, (±)-a-pinene,1 (S)-(-)-ß-pinene,(R)-(+)-limonene, and myrcene are found in the cones of eastern white pines, Pinus strobus L. Mixtures ofthese, as well as. a-pinene or ß-pinene alone. increased catches of male white pine cone beetles, Conophthorus coniperda (Schwartz). in traps baited with the female sex pheromone, (±)-trans-pityol.The monoterpenes by themselves as mixtures or individually (a-pinene, ß-pinene)were not attractants for males or females. Traps baited with (±)-trans-pityol and a-pinene caught as many, or significantly more beetles than those baited with pityol and a four monoterpene mixture (1:1:1:1) used in seed orchards in North Carolina, Ohio. and Virginia. Three beetle-produced compounds, conophthorin, tram-pinocarveol.and myrtenol did not enhance catches of males or females in (±)-trans-pityol-baited traps. Racemic E-(±)-conophthorin, E-(-)-conophthorin, and E-(+)-conophthorin significantly reduced catches of males in traps baited with (±)-trans-pityol alone. Female C. coniperda were not attracted to any ofthe host- or beetle-produced compounds tested. The study demonstrated that traps vith baits releasing (-)-trans-pityol at about l mg/wk with (+/-)-a-pinene (98%pure) are potentially valuable tools for C coniperda pest management. Baited traps can be used to monitor C. coniperda populations or possibly to reduce seed losses in a beetle trap-out control strategy.
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Citationde Groot, Peter; DeBarr, Gary L.; Birgersson, Goran. 1998. Field Bioassays of Synthetic Pheromones and Host Monoterpenes for Conophthorus coniperda (Coleoptera: Scolytidae). Environ.Entomol. 27(2): 382-387 (1998)
KeywordsConophthorus coniperda, pheromone, monoterpenes
- Limonene: attractant kairomone for white pine cone beetles (Coleoptera: Scolytidae) in an Eastern white pine seed orchard in Western North Carolina
- Dose and Enantiospecific Responses of White Pine Cone Beetles, Conophthorus coniperda, to a-Pinene in an Eastern White Pine Seed Orchard
- Responses of Conophthorus spp. (Coleoptera: Scolytidae) to behavioral chemicals in field trials: a transcontinental perspective
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