Terrestrial Microclimate: Amelioration at High Latitudes
- 14 November 1969
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 166 (3907) , 865-866
- https://doi.org/10.1126/science.166.3907.865
Abstract
Topical application of 25, 50, or 100 micrograms of 10,11-epoxy-farnesenic acid methyl ester in peanut oil induced male Ips confusus to produce sex pheromone in the hindgut Malpighian tubule region. Twenty-four hours aftertreatment of male beetles with 100 micrograms of hormone, their hindgut Malpighian tubule extract was more attractive to female beetles in a laboratory bioassay than was extract from males producing pheromone naturally in ponderosa pine logs.Keywords
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