Major hydrocarbons of the post-pharyngeal glands of mated queens of the red imported fire antSolenopsis invicta |
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| Authors: | Malcolm J Thompson B M Glancey William E Robbins Clifford S Lofgren Samson R Dutky Jan Kochansky Robert K Vandermeer Adrienne R Glover |
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| Affiliation: | (1) Insect Physiology Laboratory, AR, SEA, USDA, 20705 Beltsville, MD;(2) Insects Affecting Man and Animal Research Laboratory, AR, SEA, USDA, 32604 Gainesville, FL |
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| Abstract: | Thin layer and column chromatographic analyses showed that hydrocarbons were the major lipoidal components of post-pharyngeal
glands of mated queens of the red imported fire ant,Solenopsis invicta. Gas liquid chromatographic analyses on an OV-17 column showed four major hydrocarbons which have been identified and confirmed
by synthesis and comparative mass spectral analyses as 13-methylheptacosane, 13,15-dimethylheptacosane, 3-methylheptacosane,
and 3,9-dimethylheptacosane. When microgram quantitites of the natural alkanes on filter paper were placed in colonies of
ants, the ants clustered on the paper about the sample and proceeded to masticate the paper in the area containing the alkanes. |
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