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Free keywords:
Dystiscidae; Graphoderus; Laccophilus; prothoracic defensive
glands; gas chromatography-mass spectrometry; steroids; feeding
assay; Phoxinus; feeding deterrents
Anesthetic potency; coleoptera
Abstract:
The chemical composition of the prothoracic defensive secretion of the water beetles Graphoderus cinereus and Laccophilus minutus was examined by gas chromatographic-mass spectrometric analysis of trimethylsilylated gland extracts. The main components a