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- Title
Attractiveness of Harlequin Bug, Murgantia histrionica, Aggregation Pheromone: Field Response to Isomers, Ratios, and Dose.
- Authors
Cabrera Walsh, Guillermo; Weber, Donald; DiMeglio, Anthony; Athanas, Michael; Khrimian, Ashot; Leskey, Tracy
- Abstract
A two-component pheromone, (3 S,6 S,7 R,10 S)- and (3 S,6 S,7 R,10 R)-10,11-epoxy-1-bisabolen-3-ol (murgantiol), present in emissions from adult male harlequin bugs, Murgantia histrionica, is most attractive in field bioassays to adults and nymphs in the naturally occurring ratio of ca. 1.4:1. Each of the two individual synthetic stereoisomers is highly attractive to male and female adults and nymphs, but is more attractive in combination and when deployed with a harlequin bug host plant. Blends of 8 stereoisomers also are highly attractive, suggesting that isomers not found in the natural pheromone are not repellent. Deployment of an inexpensive non-stereospecific synthetic pheromone holds promise for efficient trapping and/or use in trap-crops for this important pest in North America.
- Subjects
HARLEQUIN cabbage bug; PHEROMONE traps; HEMIPTERA; INSECT pests; CONTROL of agricultural pests &; diseases; STEREOISOMERS
- Publication
Journal of Chemical Ecology, 2014, Vol 40, Issue 11/12, p1251
- ISSN
0098-0331
- Publication type
Article
- DOI
10.1007/s10886-014-0519-9