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home / Insecta · vabzdžiai / Coleoptera · vabalai / Dytiscidae · dusios / Hygrotus impressopunctatus · dusia

Hygrotus impressopunctatus
dusia Hygrotus impressopunctatus · dusia

Hygrotus impressopunctatus · dusia

This very widespread and generally common Holarctic species occurs throughout North America from the tree-line in Canada south to New Mexico, and across the entire Palaearctic region from Portugal through Asia Minor and Russia to northern China and Japan, extending north to the UK and to northern provinces of Fennoscandia.

Head brown but extensively darker inside the eyes and along the base, antennae pale with the distal segments darkened, at least towards the apex. Pronotum brown with the basal margin variously darkened. Males and some females are shiny and here the elytral punctures are strong and mostly well-separated in the basal two-thirds, becoming weaker towards the apex, some females are dull and finely reticulate between a much finer, denser and more even elytral punctation.