1887

oa Journal of the Entomological Society of Southern Africa - Analysis of the defensive secretion of Carlisis wahlbergi Stal (Hemiptera: Coreidae)

 

Abstract

The secretion or the scent gland or adults and nymphs or Carlisis wahlbergi was analysed by gas chromatography, and the compenents were identified by mass spectrometry. No difference was observed between the secretions or males and females and between those or nymphs and adults. The relative amounts of the components did not differ significantly in samples analysed during a nine-month period. The major components were acetic acid (66%), trans-2-hexenal (17%) and 3-hydroxybutanal (14%). A minor component was 2-hexanol (I %). Traces or carbon dioxide, carbon monoxide, water and even naphthalene were detected in some samples. The presence and functions or all the components are briefly discussed.

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/content/JESSA/45/1/AJA00128789_2569
1982-01-01
2016-12-08
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