AI Article Synopsis
- Male antennae of Phyllophaga tristis were tested with a GC-EAD system to identify responses to five sex pheromones.
- The males showed a specific response only to methyl 2(methylthio)benzoate.
- Field tests demonstrated that traps baited with this compound significantly outperformed control traps, capturing hundreds of male beetles in both Kansas and Florida.
Article Abstract
Male antennae of Phyllophaga tristis (Fabricius) (Coleoptera: Scarabaeidae: Melolonthinae) were tested using a coupled gas chromatograph-electroantennogram detector (GC-EAD) system for electrophysiological responses to five sex pheromones identified from other Phyllophaga species including L-valine methyl ester, L-isoleucine methyl ester, L-leucine methyl ester, methyl 2(methylthio)benzoate and methyl 2-amino benzoate. Male antennae responded only to methyl 2(methylthio)benzoate. In a 2003 field test near Greensburg, Kansas, cross-vane traps baited with rubber septa containing 1 mg of methyl 2-(methylthio)benzoate captured 466 male P. tristis. Control traps baited with rubber septa loaded with only hexane captured none. Similarly, in a field test in 2010 in Gainesville, Florida, 265 male P. apicata Reinhard were captured in traps baited with 1 mg of methyl 2-(methylthio)benzoate whereas control traps captured only a single male.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3404503 | PMC |
| http://dx.doi.org/10.1673/031.011.10801 | DOI Listing |
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