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Nysius thymi
Family: Lygaeidae

Nysius is a difficult genus and many of the seven UK species are very difficult to identify without reference to a specimen.

N. thymi and N. ericae are particularly difficult to separate. Both species lack a well defined dark ring at the base of the 2nd antennal segment and usually have some dark markings on the wing membrane.

N. thymi is best identified with reference to the male genitalia. In females, the hairs on the wing veins are shorter than in N. ericae.

Widespread and particularly coastal, in a variety of open habitats.

Adult: ~All year
Length 3.5-4.5 mm
Nysius thymi
Adult: north Wales (August 2008) ©Tristan Bantock