Ground Beetles of Ireland


Bembidion assimile

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Bembidion assimile
© Roy Anderson
Bembidion assimile
© Roy Anderson
Bembidion assimile
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(Maps updated 30th November 2009)
 

Bembidion assimile Gyllenhal, 1810

Description: Small (2.8-3.5mm) black ground beetle with pale elytral apices and dull pronotum. At the margin of standing water in turloughs, marshes and under seaweed on the strandline of rocky coasts.
 

World Distribution: A Eurosiberian Wide-temperate species (64) distributed across Europe to north Africa and west Siberia.
 

Irish Status: Locally common on gravelly or sandy lakeshores and along the coast in sheltered localities. Has disappeared from Lough Neagh within the last 100 years.
 

Ecology: A hygrophilous species recorded from the margins of still or slow-moving eutrophic water-bodies inland or sheltered beaches on the coast. In coastal sites it has been found under seaweed and tidal refuse on the upper shore of gravelly or rocky shorelines. In these places it is usually the only Bembidion sp. present.