Abstract：
:The bark beetleIps pini (Say) displays variation in its response to and production of enantiomeric blends of its pheromone ipsdienol. One of the principal predators ofIps pini isThanasimus dubius (F.), which uses ipsdienol as a kairomone for prey location. During 1988 and 1989, in Wisconsin and Michigan, the response of both species to a range of enantiomeric blends of ipsdienol was investigated. Blends tested had the following ratios of the (S)-(+) to (R)-(-) enantiomers: 3%∶97%, 25%∶75%, 50%∶50%, 75%∶ 25%, and 97%∶ 3%. Either 75% (+)∶25% (-) or 50% (+)∶50% (-) ipsdienol captured the mostIps pini in both years at both sites. The 25% (+)∶75% (-) blend also caught moreIps pini than the control during both years at both sites. All blends tested were attractive toThanasimus dubius in both years at both locations. Blend preferences of both species were variable and labile at both sites. Response patterns of both species in Wisconsin were different from those in Michigan each year. Furthermore, response patterns of both species to the ipsdienol blends changed from 1988 to 1989 at both locations. A genetic component to this variation would permit predator-prey coevolution, as well as the development of resistance byIps pini to management strategies based on mass-trapping with single blends.
journal_name
J Chem Ecoljournal_title
Journal of chemical ecologyauthors
Herms DA,Haack RA,Ayres BDdoi
10.1007/BF00984698subject
Has Abstractpub_date
1991-08-01 00:00:00pages
1705-14issue
8eissn
0098-0331issn
1573-1561journal_volume
17pub_type
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更新日期：1988-06-01 00:00:00
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更新日期：2008-06-01 00:00:00
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更新日期：1983-05-01 00:00:00
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更新日期：2020-06-01 00:00:00
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更新日期：2007-09-01 00:00:00
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更新日期：1991-01-01 00:00:00
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更新日期：1992-07-01 00:00:00
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更新日期：1991-11-01 00:00:00
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pub_type： 杂志文章
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更新日期：1989-04-01 00:00:00
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pub_type： 杂志文章
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更新日期：1990-10-01 00:00:00
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