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J Chem Ecol. 2004 Apr;30(4):731-40.

Quinone mixture as attractant for necrophagous dung beetles specialized on dead millipedes.

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1
Theodor-Boveri-Institut für Biowissenschaften, Zoologie III, Biozentrum, Am Hubland, D-97074 Würzburg, Germany.

Abstract

2-Methyl-1,4-benzoquinone (toluquinone) and 2-methoxy-3-methyl-1,4-benzoquinone are the most common components of defensive secretions of juliform millipedes (Diplopoda: Juliformia). A natural and a synthetic millipede-defensive secretion composed of these two substances attract dung beetles of a few Onthophagus species (Coleoptera: Scarabaeidae) that feed mainly on freshly dead millipedes. This olfactory mechanism and adaptation to the toxic effects of quinones enables them to be the first and exclusive users of this resource.

PMID:
15260220
[Indexed for MEDLINE]
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