Histeroidea

Histeroidea is a superfamily of beetles in the infraorder Staphyliniformia.

Characteristic to Histeroidea are an accessory posterior ridge (locking device) behind the hind margin and presence of medial loop and apical hinge of wing. Elytra truncate, 1 or 2 abdominal segments visible, abdominal 8th segment completely invaginated in the 7th segment. Antennae have 8 (seldom 7) segments preceding a club of fused segments. Ventral body surface glabrous.