[Short Note] Chemical Constituents of the Defensive Secretions of the Metasternal Gland of the Stink Bug, Helopeltis fasciaticollis Poppius (Hemiptera: Miridae) in Taiwan
Hsiao-Yung Ho
Institute of Zoology, Academia Sinica, Taipei, Taiwan 115, R.O.C.
Ru-Shiou Tsai
Institute of Zoology, Academia Sinica, Taipei, Taiwan 115, R.O.C.
Yien-Shing Chow
Institute of Zoology, Academia Sinica, Taipei, Taiwan 115, R.O.C.
A mixture of compounds was found in the metasternal gland of a local stink bug, Helopeltis fasciaticollis Poppius (Hemiptera: Miridae). Seventeen components in the mixture were identified by gas chromatography/mass spectrometry (GC/MS) as belonging to different chemical groups: carboxylic acids, aliphatic esters, aliphatic alcohols, and aliphatic aldehydes. The three major compounds which comprised almost 95% of the secretion were acetic acid, 2-octenal, and octyl acetate.
Keywords
Acetic acid, 2-Octenal, Octyl acetate
