(R)-Desmolactone Is a Sex Pheromone or Sex Attractant for the Endangered Valley Elderberry Longhorn Beetle Desmocerus californicus dimorphus and Several Congeners (Cerambycidae: Lepturinae) Public Deposited

http://ir.library.oregonstate.edu/concern/articles/cc08hh326

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  • We report here that (4R,9Z)-hexadec-9-en-4-olide [(R)-desmolactone] is a sex attractant or sex pheromone for multiple species and subspecies in the cerambycid genus Desmocerus. This compound was previously identified as a female-produced sex attractant pheromone of Desmocerus californicus californicus. Headspace volatiles from female Desmocerus aureipennis aureipennis contained (R)-desmolactone, and the antennae of adult males of two species responded strongly to synthetic (R)-desmolactone in coupled gas chromatography-electroantennogram analyses. In field bioassays in California, Oregon, and British Columbia, traps baited with synthetic (R)-desmolactone captured males of several Desmocerus species and subspecies. Only male beetles were captured, indicating that this compound acts as a sex-specific attractant, rather than as a signal for aggregation. In targeted field bioassays, males of the US federally threatened subspecies Desmocerus californicus dimorphus responded to the synthetic attractant in a dose dependent manner. Our results represent the first example of a ‘‘generic’’ sex pheromone used by multiple species in the subfamily Lepturinae, and demonstrate that pheromone-baited traps may be a sensitive and efficient method of monitoring the threatened species Desmocerus californicus dimorphus, commonly known as the valley elderberry longhorn beetle.
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  • Ray, A. M., Arnold, R. A., Swift, I., Schapker, P. A., McCann, S., Marshall, C. J., ... & Millar, J. G. (2014). (R)-Desmolactone Is a Sex Pheromone or Sex Attractant for the Endangered Valley Elderberry Longhorn Beetle Desmocerus californicus dimorphus and Several Congeners (Cerambycidae: Lepturinae). PLoS ONE, 9(12), e115498. doi:10.1371/journal.pone.0115498
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  • description.provenance : Approved for entry into archive by Erin Clark(erin.clark@oregonstate.edu) on 2015-03-10T18:01:36Z (GMT) No. of bitstreams: 3 license_rdf: 1370 bytes, checksum: cd1af5ab51bcc7a5280cf305303530e9 (MD5) SchapkerPhilipIntegrativeBiologyR-Desmolactone.pdf: 656884 bytes, checksum: f834d8e1e4e39488aa5b4c835892c217 (MD5) SchapkerPhilipIntegrativeBiologyR-Desmolactone_SupportingInformation.zip: 3161 bytes, checksum: 7457a946de5d7dd12e0bcc4c6b5ab68f (MD5)
  • description.provenance : Submitted by Erin Clark (erin.clark@oregonstate.edu) on 2015-03-10T18:01:10Z No. of bitstreams: 3 license_rdf: 1370 bytes, checksum: cd1af5ab51bcc7a5280cf305303530e9 (MD5) SchapkerPhilipIntegrativeBiologyR-Desmolactone.pdf: 656884 bytes, checksum: f834d8e1e4e39488aa5b4c835892c217 (MD5) SchapkerPhilipIntegrativeBiologyR-Desmolactone_SupportingInformation.zip: 3161 bytes, checksum: 7457a946de5d7dd12e0bcc4c6b5ab68f (MD5)
  • description.provenance : Made available in DSpace on 2015-03-10T18:01:36Z (GMT). No. of bitstreams: 3 license_rdf: 1370 bytes, checksum: cd1af5ab51bcc7a5280cf305303530e9 (MD5) SchapkerPhilipIntegrativeBiologyR-Desmolactone.pdf: 656884 bytes, checksum: f834d8e1e4e39488aa5b4c835892c217 (MD5) SchapkerPhilipIntegrativeBiologyR-Desmolactone_SupportingInformation.zip: 3161 bytes, checksum: 7457a946de5d7dd12e0bcc4c6b5ab68f (MD5) Previous issue date: 2014-12-18

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