Ground Beetles of Ireland
Dicheirotrichus gustavii
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 © Roy Anderson |
 © Roy Anderson |
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Dicheirotrichus gustavii Crotch, 1871
Description: A 5-7.5mm dimorphic ground beetle, the males almost completely black, the females yellow to red-brown, often marked with black. A common saltmarsh species, living in strandline debris at the top of the shore.
World Distribution: Distributed along the coast from the Baltic to the Mediterranean in Europe; Eurosiberian Wide-temperate (64). Inland a similar form is recorded from central Europe east to western Siberia and north-west China.
Irish Status: Widespread in sheltered bays and estuaries around the coast.
Ecology: Halobiontic and a common inhabitant of saltmarshes under stones or weed on muddy, well-vegetated ground.