期刊
FRONTIERS IN ECOLOGY AND EVOLUTION
卷 2, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fevo.2014.00046
关键词
specific mate recognition; reproductive isolation; sibling species; host plant; Castanea; Quercus; Fagaceae
类别
资金
- Foundation for Strategic Environmental Research (MISTRA)
- Linnaeus environment Insect Chemical Ecology, Ethology, and Evolution IC-E3 (Formas, SLU)
Identification of the sex pheromone of Cydia splendana (Lepidoptera, Tortricidae) by pheromone gland analysis followed by field trapping with synthetic compounds shows the occurrence of two pheromone races. Acorn moth females from Sweden, where oak Quercus robur is the only host plant, use a blend of the E,Z and E,E isomers of 8,10-dodecadien-1-yl acetate. In Central and Southern Europe, where C. splendana feeds on chestnut Castanea sativa and several species of oak, males respond to another isomer blend, E,E and Z,E. The distribution of the two pheromone races of C. splendana overlaps in Northern France, where they share oak as plant host. Differences in sex communication signals between these populations of C. splendana corroborate the role of specific mate recognition in speciation events.
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