Ground Beetles of Ireland

Trechus subnotatus

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Trechus subnotatus
© Roy Anderson
Trechus subnotatus
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(Maps updated 30th November 2009)

Trechus subnotatus Dejean, 1831

Description: A small (4.5-5mm), introduced, ground beetle from the Mediterranean region. Old record only from near Dublin.

World Distribution: A Mediterranean species which has assumed a Mediterranean-Atlantic distribution (91) through introduction by man to higher latitudes in coastal north and west Europe.

Irish Status: Introduced to Britain and Ireland at isolated sites in Yorkshire, Devon and near Dublin (St. Anne's, Clontarf - O'Mahony, 1940). Not recorded in Ireland since O'Mahony's time.

Ecology: It has been recorded almost exclusively in synanthropic situations.