NDLI: Electrophysiological responses of Dendroctonus armandi (Coleoptera: Curculionidae: Scolytinae) to volatiles of Chinese white pine as well as to pure enantiomers and racemates of some monoterpenes

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Electrophysiological responses of Dendroctonus armandi (Coleoptera: Curculionidae: Scolytinae) to volatiles of Chinese white pine as well as to pure enantiomers and racemates of some monoterpenes

Content Provider	Springer Nature Link
Author	Zhang, Leilei Chen, Hui Ma, Chao Tian, Zhiqiang
Copyright Year	2010
Abstract	To better understand the attractiveness of host tree, Chinese white pines (Pinus armandi Fr.) to Chinese white pine beetle (Dendroctonus armandi Tsai and Li), the antennal responses of D. armandi to the host volatile, as well as the pure enantiomers and racemates of some monoterpenes, were examined using an electroantennogram (EAG). EAG responses of male and female D. armandi to blended volatiles extracted from the host and some synthetic terpenes (α-phellandrene, (−)-β-pinene, (+)-α-pinene, (−)-α-pinene, (−)-camphene, β-myrcene, (S)-(−)-limonene, (+)-camphene and (R)-(+)-limonene) showed significant variation due to different compound concentrations and sex of the beetles. EAG responses to extracted blended volatiles were significantly greater in females than in males, but the EAG response was not always proportional to the volatile concentration. At lower concentrations, females responded strongly to α-phellandrene and males to (−)-β-pinene, while at higher concentrations, females responded most strongly to α-phellandrene and males to (+)-α-pinene. Females were significantly responsive to (−)-α-pinene, α-phellandrene and (−)-camphene, while males were more responsive to (S)-(−)-limonene, (+)-α-pinene and (R)-(+)-limonene. The EAG responses of the female D. armandi to the volatile oil were significantly higher than that of the males, and the infested pine volatiles could evoke higher EAG response. Most of the test compounds elicited similar responses, which suggested that several of the compounds may be used in combination by D. armandi in habitat and/or host community location at the Qinling forest ecosystem.
Starting Page	265
Ending Page	275
Page Count	11
File Format	PDF
ISSN	09377409
Journal	CHEMOECOLOGY
Volume Number	20
Issue Number	4
e-ISSN	14230445
Language	English
Publisher	SP Birkhäuser Verlag Basel
Publisher Date	2010-08-28
Publisher Place	Basel
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Electroantennogram Pinus armandi Dendroctonus armandi Dose–response Volatile Nature Conservation Ecology
Content Type	Text
Resource Type	Article
Subject	Biochemistry Ecology, Evolution, Behavior and Systematics

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