A contact sex pheromone component of the emerald ash borer Agrilus planipennis Fairmaire (Coleoptera: Buprestidae)

被引：55

作者：

Silk, Peter J. ^{[1
]}

Ryall, Krista ^{[2
]}

Lyons, D. Barry ^{[2
]}

Sweeney, Jon ^{[1
]}

Wu, Junping ^{[1
]}

机构：

[1] Atlantic Forestry Ctr, Canadian Forestry Serv, Nat Resources Canada, Fredericton, NB E3B 5P7, Canada

[2] Great Lakes Forest Ctr, Canadian Forest Serv, Nat Resources Canada, Sault Ste Marie, ON P6A 2E5, Canada

来源：

NATURWISSENSCHAFTEN | 2009年 / 96卷 / 05期

关键词：

Agrilus planipennis; Buprestidae; Contact pheromone; Methyl-alkane; HILARIS PASCOE COLEOPTERA; SPOTTED LONGICORN BEETLE; MATE RECOGNITION; MATING-BEHAVIOR; CERAMBYCIDAE; HYDROCARBONS; ATTRACTION; VOLATILES;

D O I：

10.1007/s00114-009-0513-1

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Analyses of the elytral hydrocarbons from male and female emerald ash borer, Agrilus planipennis Fairmaire, that were freshly emerged vs. sexually mature (> 10 days old) revealed a female-specific compound, 9-methyl-pentacosane (9-Me-C(25)), only present in sexually mature females. This material was synthesized by the Wittig reaction of 2-decanone with (n-hexadecyl)-triphenylphosphonium bromide followed by catalytic reduction to yield racemic 9-Me C(25), which matched the natural compound by gas chromatography/mass spectrometry (retention time and EI mass spectrum). In field bioassays with freeze-killed sexually mature A. planipennis females, feral males spent significantly more time in contact and attempting copulation with unwashed females than with females that had been washed in n-hexane to remove the cuticular lipids. Hexane-washed females to which 9-Me-C(25) had been reapplied elicited similar contact time and percentage of time attempting copulation as unwashed females, indicating that 9-methyl-pentacosane is a contact sex pheromone component of A. planipennis. This is the first contact sex pheromone identified in the Buprestidae.

引用

页码：601 / 608

页数：8

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