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Pheromone variation among eastern European and a western Asian population of the turnip moth Agrotis segetum

Hansson, Bill S. ; Tóth, Miklós ; Löfstedt, Christer LU ; Szöcs, Gábor ; Subchev, Mitko and Löfqvist, Jan (1990) In Journal of Chemical Ecology 16(5). p.1611-1622
Abstract

The female sex pheromone composition and the male electro-physiological response with respect to the three main sex pheromone components, (Z)-5-decenyl acetate, (Z)-7-dodecenyl acetate, and (Z)-9-tetradecenyl acetate, were investigated in populations of Agrotis segetum from Armenia and Bulgaria. The percentage composition of the female-produced pheromone was 1:52:47 and 1:42:57 for the respective populations. Corresponding male receptor frequencies were 9:90:1 and 6:92:2. EAG response profiles of the male antennae were similar for the two populations. The populations from Armenia and Bulgaria differed from the earlier investigated French and Swedish populations, which have larger amounts of (Z)-5-decenyl acetate in gland extracts and... (More)

The female sex pheromone composition and the male electro-physiological response with respect to the three main sex pheromone components, (Z)-5-decenyl acetate, (Z)-7-dodecenyl acetate, and (Z)-9-tetradecenyl acetate, were investigated in populations of Agrotis segetum from Armenia and Bulgaria. The percentage composition of the female-produced pheromone was 1:52:47 and 1:42:57 for the respective populations. Corresponding male receptor frequencies were 9:90:1 and 6:92:2. EAG response profiles of the male antennae were similar for the two populations. The populations from Armenia and Bulgaria differed from the earlier investigated French and Swedish populations, which have larger amounts of (Z)-5-decenyl acetate in gland extracts and have a majority of (Z)-5-decenyl acetate-sensitive receptors. Investigation of receptor frequencies on antennae of male Hungarian moths showed that individuals could be classified as either Swedish or Armenian/Bulgarian type. Males of the Swedish type were preferentially attracted to the three-component pheromone blend, whereas blends of (Z)-7-dodecenyl and (Z)-9-tetradecenyl acetate, and (Z)-7-dodecenol [pure or in mixture with (Z)-5-decenol] attracted the Armenian/Bulgarian type. The nature of pheromone variation among European and Asian populations of the turnip moth and possible mechanisms maintaining the variation are discussed.

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Contribution to journal
publication status
published
subject
keywords
(Z)-5-decenyl acetate, (Z)-7-dodecenyl acetate, (Z)-9-tetradecenyl acetate, Agrotis segetum, field trapping, gas chromatography, Lepidoptera, Noctuidae, olfactory receptors, population variation, Sex pheromone, single sensillum response
in
Journal of Chemical Ecology
volume
16
issue
5
pages
12 pages
publisher
Springer
external identifiers
  • scopus:0000386954
ISSN
0098-0331
DOI
10.1007/BF01014094
project
Evolutionary mechanisms of pheromone divergence in Lepidoptera
language
English
LU publication?
yes
id
3d62d355-7091-48f8-b87f-f7ec8431ba38
date added to LUP
2020-05-26 17:46:51
date last changed
2020-09-02 14:31:24
@article{3d62d355-7091-48f8-b87f-f7ec8431ba38,
  abstract     = {<p>The female sex pheromone composition and the male electro-physiological response with respect to the three main sex pheromone components, (Z)-5-decenyl acetate, (Z)-7-dodecenyl acetate, and (Z)-9-tetradecenyl acetate, were investigated in populations of Agrotis segetum from Armenia and Bulgaria. The percentage composition of the female-produced pheromone was 1:52:47 and 1:42:57 for the respective populations. Corresponding male receptor frequencies were 9:90:1 and 6:92:2. EAG response profiles of the male antennae were similar for the two populations. The populations from Armenia and Bulgaria differed from the earlier investigated French and Swedish populations, which have larger amounts of (Z)-5-decenyl acetate in gland extracts and have a majority of (Z)-5-decenyl acetate-sensitive receptors. Investigation of receptor frequencies on antennae of male Hungarian moths showed that individuals could be classified as either Swedish or Armenian/Bulgarian type. Males of the Swedish type were preferentially attracted to the three-component pheromone blend, whereas blends of (Z)-7-dodecenyl and (Z)-9-tetradecenyl acetate, and (Z)-7-dodecenol [pure or in mixture with (Z)-5-decenol] attracted the Armenian/Bulgarian type. The nature of pheromone variation among European and Asian populations of the turnip moth and possible mechanisms maintaining the variation are discussed.</p>},
  author       = {Hansson, Bill S. and Tóth, Miklós and Löfstedt, Christer and Szöcs, Gábor and Subchev, Mitko and Löfqvist, Jan},
  issn         = {0098-0331},
  language     = {eng},
  month        = {05},
  number       = {5},
  pages        = {1611--1622},
  publisher    = {Springer},
  series       = {Journal of Chemical Ecology},
  title        = {Pheromone variation among eastern European and a western Asian population of the turnip moth Agrotis segetum},
  url          = {http://dx.doi.org/10.1007/BF01014094},
  doi          = {10.1007/BF01014094},
  volume       = {16},
  year         = {1990},
}