GEOGRAPHICAL VARIATION IN RESPONSE OF SOUTHERN PINE-BEETLE (COLEOPTERA, SCOLYTIDAE) TO AGGREGATING PHEROMONES IN LABORATORY BIOASSAYS

被引:21
作者
BERISFORD, CW [1 ]
PAYNE, TL [1 ]
BERISFORD, YC [1 ]
机构
[1] VIRGINIA POLYTECH INST & STATE UNIV, DEPT ENTOMOL, BLACKSBURG, VA 24061 USA
关键词
Dendroctonus frontalis; Geographical variation; Insecta; Pheromones;
D O I
10.1093/ee/19.6.1671
中图分类号
Q96 [昆虫学];
学科分类号
摘要
Laboratory bioassays of southern pine beetle, Dendroctonus frontalis Zimmermann, showed that beetles exhibited regional differences in response to pheromones. Bioassays of crude pheromone extracts from billets infested with beetles collected from Georgia, Texas, and Virginia showed that beetles from each region had significantly higher positive responses to pheromones from their own region. Beetles from Texas showed the strongest response to a standard of frontalin, trans-verbenol, and loblolly pine turpentine, followed by beetles from Georgia and Virginia. © 1990 Entomological Society of America.
引用
收藏
页码:1671 / 1674
页数:4
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