Length 5 to 6 mm. Unlike Aneurus species, the wing membrane in Aradus flatbugs does not extend below the apex of the scutellum. A. depressus is distinguished by the pale shoulders, and the 2nd and 3rd antennal segments are similar in length.

Detailed examination of the specimen is needed to identify the species.

Found under the bark of various trees which are infected by fungi, particularly native deciduous species.

Adult: All year

It appears not to have a strict reproductive seasonality, although nymphs are more common in the summer.

Although widely distributed across England and parts of Wales, it is not often recorded.

Little recorded in Leicestershire and Rutland.