Secretions of Stingless Bees: The Dufour Gland of Nannotrigona testaceicornis

Abstract

The Dufour gland of Nannotrigona testaceicornis is a large, wide, pear-shaped sac. The gland secretion consists chiefly of the diterpene ester all-trans-geranylgeranyl acetate (64% of the total), together with a complex mixture of small amounts of cyclic ketals; mono-, sesqui-, and diterpene compounds; acetates; and other oxygenated compounds. Samples of N… (More)
DOI: 10.1023/A:1005667916765

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