Volatile secretions of old world army antAenictus rotundatus and chemotaxonomic implications of army ant dufour gland chemistry |
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Authors: | Neil J Oldham E David Morgan Bruno Gobin Eric Schoeters Johan Billen |
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Affiliation: | (1) Department of Chemistry, Keele University, ST5 5BG Keele, Staffordshire, England;(2) Zoological Institute, University of Leuven, B-3000 Leuven, Belgium |
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Abstract: | The Dufour glands ofAenictus rotundatus contain a complex mixture of terpenoids with geranylgeraniol comprising over 50% of the secretion. Some novel compounds have been tentatively identified as higher homologs of 1,3,3-trimethyl-2,7-dioxabicyclo2,2,1]heptane based on GC-MS data. The Dufour gland secretion ofA. rotundatus is more similar in composition to the secretions of members of the subfamily Ecitoninae than to its closer relatives from the tribe Dorylini, a result that further complicates studies on the phylogeny of army ants. The mandibular glands ofA. rotundatus contain a mixture of 4-methyl-3-heptanone and limonene in trace amounts, and the well-developed postpygidial glands contain methyl anthranilate only. |
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Keywords: | Hymenoptera Formicidae army ants Dorylinae Aenictus Dorylus Eciton Ecitoninae Dufour gland mandibular gland postpygidial gland ant secretions chemotaxonomy |
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