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Parthenogenesis, calling behavior, and insect-released volatiles of leafminer moth Phyllonorycter emberizaepenella
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2002 (English)In: Journal of Chemical Ecology, ISSN 0098-0331, E-ISSN 1573-1561, Vol. 28, no 6, 1191-1208 p.Article in journal (Refereed) Published
Abstract [en]

We proved that the leafminer moth Phyllonorycter emberizaepenella (Lepidoptera: Gracillariidae) reproduces by parthenogenesis of the thelytoky type. Despite a complete absence of males, parthenogenetically reproducing females diurnally demonstrated the calling posture normally used for releasing signaling compounds. Two compounds, which we collected from a calling female, were identified as potential sex pheromone components: (8E,10E)-8,10-tetradecadienyl acetate and (8E,10E)-8,10-tetradecadienol, the latter occurring only in trace amounts. In field experiments, no males were attracted to traps baited with either the potential sex pheromone or with virgin females. Both the pattern of behavior and the chemical characteristics of the pheromone of Ph. emberizaepenella species were similar to those known for Lepidoptera with the usual amphimictic mode of reproduction. Theoretical speculations that in thelytoky, where there is no need to find a sexual partner, the individuals would obtain certain advantages due to reduction in their sexual behavior, were, thus, not confirmed for Ph. emberizaepenella.

Place, publisher, year, edition, pages
2002. Vol. 28, no 6, 1191-1208 p.
Keyword [en]
thelytoky, diurnal rhythm, communication behaviour, (8E,10E) 8,10-tetradecadienyl acetate, (8E,10E)-8,10-tetradecadienol, Lepidoptera, Gracillariidae, sex-pheromone, juvenile-hormone, agrotis-ipsilon, manduca-sexta, black cutworm, lepidoptera, gracillariidae, communication, biosynthesis, traps
URN: urn:nbn:se:kth:diva-21711ISI: 000176803200008OAI: diva2:340409
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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Borg-Karlson, Anna-Karin
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