NDLI: Male-Produced Pheromone of the Green Lacewing, Chrysopa nigricornis

Content Provider	Springer Nature Link
Author	Zhang, Qing He Schneidmiller, Rodney G. Hoover, Doreen R. Young, Kevin Welshons, Dewayne O. Margaryan, Armenak Aldrich, Jeffrey R. Chauhan, Kamlesh R.
Copyright Year	2006
Abstract	Gas chromatographic–electroantennographic detection (GC–EAD) analysis showed that male antennae of the green lacewing, Chrysopa nigricornis Burmeister, the most common lacewing species in the U.S. Pacific Northwest, consistently responded to two compounds in thoracic extracts of conspecific males: 1-tridecene and (1R,2S,5R,8R)-iridodial. These compounds were not detected in extracts of the abdominal cuticle, and no other antennally active compounds were found in the abdominal samples. In field-trapping experiments, traps baited with iridodial significantly attracted large numbers of C. nigricornis males (both western and eastern forms) during summer and early fall, plus a few individuals of conspecific females only in early fall. Iridodial also attracted males of the goldeneyed lacewing, C. oculata Say, and, to a lesser extent, C. coloradensis Banks males. Methyl salicylate (MS), reported as an attractant for both sexes of C. nigricornis and C. oculata, was inactive by itself at the concentration tested in our study, but in a few instances slightly enhanced the responses of Chrysopa spp. to iridodial. However, MS alone and its binary blend with iridodial seemed to attract the hoverfly, Metasyrphus americanus (Weidemann). 2-Phenylethanol, a reported attractant for another lacewing, Chrysoperla plorabunda (Fitch) [=carnea (Say)], did not capture any lacewings. Our assays indicated that the lacewing pheromone, iridodial, loaded onto either rubber septa or as a binary blend with MS in polyethylene bags could last at least 5 wk in the field during the summer season. Based on this study, a new attractant system for green lacewings is being developed for both domestic and international markets.
Starting Page	2163
Ending Page	2176
Page Count	14
File Format	PDF
ISSN	00980331
Journal	Journal of Chemical Ecology
Volume Number	32
Issue Number	10
e-ISSN	15731561
Language	English
Publisher	Kluwer Academic Publishers-Plenum Publishers
Publisher Date	2006-09-13
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Hoverfly Attractant Pheromone Iridodial Methyl salicylate 2-phenylethanol Nepetalactone Nepetalactol 1-tridecene GC–EAD Field flight behavioral assay Physical Chemistry Agriculture Ecology Biological Microscopy
Content Type	Text
Resource Type	Article
Subject	Medicine Biochemistry Ecology, Evolution, Behavior and Systematics

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