Ground Beetles of Ireland

Badister dilatatus

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Badister dilatatus
© Roy Anderson
Badister dilatatus
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(Maps updated 30th November 2009)

Badister dilatatus Chaudoir, 1837

Description: 5-6mm long brownish black Badister living in rich vegetation or plant litter at the margins of lakes or fens. Southern and local.

World Distribution: A Eurosiberian temperate species (74) distributed from southern Fennoscandia to southern France and east to the Caucasus and western Siberia.

Irish Status: Scattered in southern counties from Waterford to Clare. Also Roscommon (Speight et al., 1983). Not separated from B. peltatus until 1927 so some early records of peltatus may relate to this species.

Ecology: Found in dense shoreline vegetation or swamps on muddy lakeshores.