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. 2003 Nov;29(11):2439-46.
doi: 10.1023/a:1026349716070.

L-leucine methyl ester: the female-produced sex pheromone of the scarab beetle, Phyllophaga lanceolata

Satoshi Nojima  1 , Paul S Robbins, Glenn A Salsbury, Bruce D Morris, Wendell L Roelofs, Michael G Villani
Affiliations

L-leucine methyl ester: the female-produced sex pheromone of the scarab beetle, Phyllophaga lanceolata

Satoshi Nojima et al. J Chem Ecol. 2003 Nov.

Abstract

The female-produced sex pheromone of the scarab beetle Phyllophaga lanceolata was identified as the methyl ester of an essential amino acid, L-leucine. During field testing, 239 male P. lanceolata were caught in traps baited with L-leucine methyl ester. L-Isoleucine and L-valine methyl esters, similar in structure to L-leucine methyl ester and previously identified as female-produced sex pheromone compounds employed by other Phyllophaga species, were also tested. Addition of L-valine or L-isoleucine methyl esters to the L-leucine methyl ester in 1:1 ratios completely inhibited attraction of P. lanceolata males. Males of P. squamipilosa were also captured using L-leucine methyl ester. This is the first record of P. squamipilosa from Kansas.

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