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Chemical defense in the cave-dwelling millipede Brachydesmus troglobius Daday, 1889 (Diplopoda, Polydesmidae)

2011; Società Speleologica Italiana; Volume: 41; Issue: 1 Linguagem: Inglês

10.5038/1827-806x.41.1.10

1827-806X

Slobodan E. Makarov, Ljubodrag Vujisić, Božidar P. M. Ćurčić, Bojan Ilić, Vele Tešević, Vlatka Vajs, Ivan Vučković, Bojan Mitić, Luka Lučić, Iris Đorđević,

Isotope Analysis in Ecology

The troglomorphic millipede Brachydesmus troglobius Daday, 1889 (Polydesmida: Polydesmidae) secretes allomones from glands on both lateral surfaces of its body segments. The secretion was identified by gas chromatography-mass spectrometry (GC-MS) analysis with electron and chemical ionization, and was shown to be composed of a mixture of benzaldehyde, benzyl alcohol, benzoylnitrile, benzoic acid and mandelonitrile benzoate. Hydrogen cyanide was qualitatively identified by the picric acid test. This is the first identification of these compounds in a cave-dwelling polydesmid.