Document Detail

1-Tridecene--male-produced sex pheromone of the tenebrionid beetle Parastizopus transgariepinus.
MedLine Citation:
PMID:  17898976     Owner:  NLM     Status:  MEDLINE    
Males of the genus Parastizopus (Coleoptera: Tenebrionidae) exhibit a special pheromone-emitting behaviour. They do a headstand, expose the aedeagus and remain in this posture for a few seconds. The pheromone emitted by P. transgariepinus was collected by solid-phase micro-extraction (100 microm polydimethylsiloxane fibre) and identified as 1-tridecene by gas chromatography/mass spectrometry. Presumably, this compound originates from the aedeagal gland, a special feature in Parastizopus, as 1-tridecene is the main compound in the gland reservoirs (23.6+/-3.8%), accompanied by various less volatile fatty acid esters (25.2+/-2.0%) and hydrocarbons (51.2+/-5.7%). 1-Tridecene is also part of the pygidial defensive secretion of both sexes, together with other 1-alkenes, monoterpene hydrocarbons and 1,4-benzoquinones, but as none of these other compounds was detected during calling, the pygidial gland could be ruled out as pheromone source. Extracts of the aedeagal gland reservoirs and the pygidial defensive secretion contained comparable amounts of 1-tridecene, 1.24+/-0.41 and 1.88+/-0.54 microg/male, respectively. Chemo-orientation experiments using a servosphere showed that 1 microg of 1-tridecene was attractive to females but not to males.
Sven Geiselhardt; Peter Ockenfels; Klaus Peschke
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2007-09-26
Journal Detail:
Title:  Die Naturwissenschaften     Volume:  95     ISSN:  0028-1042     ISO Abbreviation:  Naturwissenschaften     Publication Date:  2008 Mar 
Date Detail:
Created Date:  2008-02-15     Completed Date:  2008-06-04     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0400767     Medline TA:  Naturwissenschaften     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  247-51     Citation Subset:  IM    
Institut für Biologie I, Universität Freiburg, Hauptstrasse 1, 79104 Freiburg, Germany.
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MeSH Terms
Alkenes / isolation & purification,  metabolism*
Beetles / physiology*
Endocrine Glands / secretion*
Locomotion / physiology*
Pheromones / physiology*
Sexual Behavior, Animal
Tribolium / physiology
Reg. No./Substance:
0/Alkenes; 0/Pheromones; 2437-56-1/1-tridecene

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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