Abstract
The large coreid bug,Pachylis laticornis (Hemiptera: Coreidae), feeds on several mimosaceous trees in Guanacaste, Costa Rica. In addition to the presumably defensive metathoracic exocrine glands that occur in both sexes of this species, the adult males also possess a ventral abdominal gland, opening midventrally in the 7–8th abdominal intersegmental membrane, that releases volatile compounds. Two esters, (E)-2-hexenyl tiglate and (E)-2-hexenyl (E)-2-hexenoate, account for over 90% of the total volatiles in the ventral abdominal gland secretion of males. (E)-2-Octenyl tiglate and (E)-2-hexenyl benzoate are present at low concentrations, as are at least three other unidentified compounds. The biological role for this fragrant male-specific exudate is unknown.
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Aldrich, J.R., Kochansky, J.P., Lusby, W.R. et al. Volatile male-specific natural products of a coreid bug (Hemiptera: Heteroptera). J Chem Ecol 8, 1369–1376 (1982). https://doi.org/10.1007/BF01403100
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DOI: https://doi.org/10.1007/BF01403100