Anchomenus dorsalis

Anchomenus dorsalis

''Anchomenus dorsalis'' is a species of ground beetle in the subfamily Platyninae. It is found in Europe, the Middle East and Central Asia.
Anchomenus dorsalis (Pontoppidan, 1763) 7.5 mm long Carabidae Anchomenus dorsalis,Fall,France,Geotagged

Appearance

This beetle is bright green-blue and red-brown in color. The adults are 5.6–7.7 mm long, with females larger than males.

Behavior

This beetle forms aggregations of several individuals, often with beetles of the genus ''Brachinus''. When disturbed it releases a volatile that contains undecane. Its coloration may be aposematic mimicry of the similarly colored ''Brachinus'' beetles it lives with, which emit a much more powerful antipredator volatile mix.

References:

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Taxonomy
KingdomAnimalia
DivisionArthropoda
ClassInsecta
OrderColeoptera
FamilyCarabidae
GenusAnchomenus
SpeciesA. dorsalis
Photographed in
France