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Tocopheryl acetates from the pupal exocrine secretion of the squash beetle, Epilachna borealis (Coccinellidae)
A B Attygalle1, S R Smedley, T Eisner
1Department of Chemistry, Cornell University, Ithaca, New York 14853-1301, USA.
Experientia
|June 15, 1996
Abstract:
The oily droplets on the pupal integumental hairs of the squash beetle Epilachna borealis contain a mixture of alpha-, beta-, gamma-, and delta-tocopheryl acetates as major constituents. In addition, the secretion contains a number of minor components that appear to be dehydrocongeners of the major components. This is the first report of the occurrence of acetate esters of any tocopherol in nature.