Histeroidea
Histeroidea is a superfamily of beetles in the infraorder Staphyliniformia.Characteristics
Characteristic to Histeroidea are an accessory posterior ridge 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 segments preceding a club of fused segments. Ventral body surface glabrous.Systematics
Some authors treat Histeroidea as a single family within the superfamily Hydrophiloidea, as they seem to form a clade. Three families are currently recognized:
- Histeridae
- Sphaeritidae
- Synteliidae