Journal
JOURNAL OF ECONOMIC ENTOMOLOGY
Volume 109, Issue 5, Pages 2243-2246Publisher
OXFORD UNIV PRESS INC
DOI: 10.1093/jee/tow187
Keywords
3-hydroxyhexan-2-one; 1-(1H-pyrrol-2-yl)-1,2-propanedione; aggregation-sex pheromone; attractant
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Funding
- United States Department of Agriculture -Animal and Plant Health Inspection Service (USDA-APHIS) [12-8130-1422-CA, 13-8130-1422-CA]
- Chinese Academy of Sciences President's International Fellowhip Initiative Award [2015VMC013]
- National Science Foundation of China [21235007]
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During field trials of the two known cerambycid beetle pheromone components 3-hydroxyhexan-2-one and 1-(1H-pyrrol-2-yl)-1,2-propanedione (henceforth pyrrole) in Guangxi and Anhui provinces in China, four species in the subfamily Cerambycinae were attracted to lures containing one of the two components, or the blend of the two. Thus, the invasive species Callidiellum villosulum (Fairmaire) (tribe Callidiini) and a second species, Xylotrechus buqueti (Castelnau & Gory) (tribe Clytini), were specifically attracted to the blend of 3-hydroxyhexan-2-one and the pyrrole. In contrast, Allotreus asiaticus (Schwarzer) (tribe Phoracanthini) and Semanotus bifasciatus Motschulsky (tribe Callidiini) were specifically attracted to the pyrrole as a single component. In most cases, both males and females were attracted, indicating that the compounds are likely to be aggregation-sex pheromones. The results indicate that the two compounds are conserved as pheromone components among species within at least three tribes within the subfamily Cerambycinae. For practical purposes, the attractants could find immediate use in surveillance programs aimed at detecting incursions of these species into new areas of the world, including the United States.
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