[5][2] The body is oval and slightly convex and the head is triangular and smoothly rounded, with a small pair of compound eyes.
[2][5] This species is rather similar to Eurygaster testudinaria, but it is slightly smaller and smoothly rounded, with less protruding hind corner.
[2] The females lay their eggs in the spring in small packages on the underside of the leaves surface.
[6] They feed on various grasses[5][2] and grain plants (wheat, rye, barley and sometimes oats, corn and millet).
[6] Blandino et al 2015 find the Mixolab test to provide accurate data about the effects of E. maura damage, insecticide application, fungal pathogens vectored by the pest, and fungicide application, on both common wheat and durum.