Ilybius fuliginosus

Ilybius fuliginosus

Description

A 10 to 12 mm long dark brown bronze diving beetle with pale yellow stripes along the margins of the elytra.

Identification difficulty
ID checklist (your specimen should have all of these features)
  • 10-12mm
  • bristles on the outside corners of the hind femora
  • dark brown with yellow stripes along the elytral margins
Habitat

Permanent water which is vegetated, including rivers, canals, drainage ditches, ponds and lakes. It flies well and may be attracted to light.

When to see it

All year round.

Life History

Predatory on aquatic insects.

UK Status

Common and widespread in Britain.

VC55 Status

Common in Leicestershire and Rutland.

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020

UK Map

Additional images

All NatureSpot records