Cuticular hydrocarbons ofReticulitermes virginicus (Banks) and their role as potential species- and caste-recognition cues |
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| Authors: | Ralph W Howard C A McDaniel Dennis R Nelson Gary J Blomquist Leslie T Gelbaum Leon H Zalkow |
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| Affiliation: | (1) U. S. Department of Agriculture, Forest Service Forestry Sciences Laboratory, P. O. Box 2008, 39503 GMF Gulfport, Mississippi;(2) National Monitoring and Residue Analysis Laboratory, U.S. Department of Agriculture, Animal and Plant Health Inspection Service, P. O. Box 3209, 39503 Gulfport, Mississippi;(3) Metabolism and Radiation Research Laboratory Agriculture Research, Science and Education Administration, U.S. Department of Agriculture, 58105 Fargo, North Dakota;(4) Department of Biochemistry, University of Nevada-Reno, 89557 Reno, Nevada;(5) School of Chemistry, Natural Products Laboratory, Georgia Institute of Technology, 30332 Atlanta, Georgia |
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| Abstract: | The cuticular hydrocarbon components of four castes ofReticulitermes virginicus (Banks) have been identified and quantitated. Components identified includen-alkanes; 2-, 3-, 11-, 13-, and 15-methyl-alkanes; 11,15-dimethylalkanes, (Z)-9-alkenes; (Z,Z)-7,9-dienes; and (E/Z)-6,9-dienes ranging in carbon number from C21 to C40. All caste forms ofR.virginicus contained the same components, but showed caste-specific proportions. Comparison of these hydrocarbons with those of the sympatric termiteR. flavipes (Kollar) suggest that cuticular hydrocarbons might serve as species- and caste-recognition cues. A bioassay was developed to test this species-recognition hypothesis, with the experimental results supporting the hypothesis.Isoptera: Rhinotermitidae. |
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| Keywords: | Caste methyl-branched hydrocarbons Reticulitermes virginicus Reticulitermes flavipes Isoptera termites Rhinotermitidae methoxy ethers mass spectra NMR spectra bioassay |
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