Venom and Dufour's gland secretions in an Australian species of Camponotus |
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Authors: | JJ Brophy GWK Cavill JS Shannon |
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Institution: | School of Chemistry, The University of New South Wales, Kensington, N.S.W. 2033, Australia |
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Abstract: | Constituents of the venom (1) and Dufour's gland (25) have been characterized in an Australian representative of the highly evolved ant subfamily Formicinae. The venom reservoir of this ant, Camponotus intrepidus, contains formic acid, identified as the benzyl ester. The Dufour's gland contains a major hydrocarbon and a minor fatty acid fraction. Hydrocarbons include the normal alkanes, C10 to C17 (82 per cent); two series of monomethylalkanes, C12, C13, C14, C16, and C17, the 3-methyl derivatives comprise approximately 16 per cent, and the 5-methylalkanes 2 per cent of the total; there are trace proportions of the n-alkenes, C12, C13, and C15. The minor fatty acids, myristic, pentadecanoic, palmitic, and stearic are present in the ratio 2 : 2 : 12 : 11. |
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