Length 6-7 mm. This is one of several mirids which are mostly black with yellow markings. Although distinctive, it is similar to the much rarer Globiceps species, which have less extensive yellow areas at the front of the corium. In addition, the pronotum and forewings of D. flavoquadrimaculatus are covered with long fine erect hairs and the posterior of the pronotum is strongly raised. This species always has large wings.

On Oak.

Adult: May-June.

A common spring species throughout Britain.

Fairly common in Leicestershire and Rutland.