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EnglishVolatile compounds produced by adults of Anchomenus dorsalis under undisturbed and disturbed conditionswere investigated with an all-glass aeration apparatus. GC-MS analysis of the crude extracts fromundisturbed and disturbed adults highlighted four major volatile compounds, undecane, heneicosane,Z-9 tricosene and tricosane, of which signifi cantly more undecane was released by disturbed adults comparedto undisturbed beetles. Th e pygidial glands of adults of A. dorsalis were investigated using light andTransmission Electron Microscopy (TEM). Each gland showed dense aggregates of secretory cells organizedinto visually distinct lobes; a long collecting canal that drains the secretion towards the reservoir, abean-shaped double lobed muscular reservoir in which secretion is stored and a short duct (eff erent duct)through which the secretion is discharged. Th e function of the pygidial glands and the possible role playedby undecane as a defensive allomone and/or chemical signalling molecule are discussed.
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| Titolo: | Volatile compounds released by disturbed and undisturbed adults of Anchomenus dorsalis (Coleoptera, Carabidae, Platynini) and structure of the pygidial gland. |
| Autori: | |
| Data di pubblicazione: | 2011 |
| Rivista: | |
| Handle: | http://hdl.handle.net/20.500.11770/155984 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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