Ash Bark Beetle

Ash Bark Beetle - Hylesinus varius

Description

A tiny brown bark beetle (2.75 mm).

Similar Species

Hylesinus varius (formerly Leperisinus fraxini) and H. wachtli (formerly L.orni) can only be distinguished by microscopic examination. H. varius has coarse suberect setae on the sides of the elytra that are clearly visible from above and a more elongate antennal club.

Identification difficulty
Recording advice

Unless identified by a recognised expert, photographic evidence is required and the specimen should be examined with a microscope. In the comments box, state the key or ID method used. Note the beetle's size and describe the identifying characters. It is advisable to retain the specimen in case further checks are needed.

Habitat

Anywhere that Ash is present.

When to see it

All year round.

Life History

A wood boring beetle associated with Ash.

UK Status

Most records come from the southern half of Britain.

VC55 Status

Occasional 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