Wasp beetle  (Clytus arietis)

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Facts – Wasp beetle

KingdomAnimalia
PhylumArthropoda
ClassInsecta
OrderColeoptera
FamilyCerambycidae
GenusClytus
SizeLength: 6 – 12 mm

Status – Wasp beetle

Common.

Description – Wasp beetle

The wasp beetle is quite aptly-named as, to a casual glance, it does resemble a wasp. However, a closer look will reveal typical beetle characteristics in body type and behaviour. It belongs to the sub-family of long-horn beetles. Colour-wise, the wasp beetle shares the same warning pattern as its un-related namesake. The basic background is black, with a symmetrical pattern of yellow bands and slashes running laterally across the body or obliquely from the centre of the back. The legs are orange-brown, the two hind pairs rather longer than the front. The antennae are brown with black tips.

Range – Wasp beetle

This species has an extensive range, being found across Europe, Russia, the Caucasus, and southwards through Asia Minor.

You can view distribution information for this species at the National Biodiversity Network Gateway.

Habitat – Wasp beetle

The wasp beetle is found mainly in deciduous woodland where there are plenty of open glades with flowers.

Biology – Wasp beetle

The larvae of the wasp beetle feed on the wood of deciduous trees, which have been invaded by a particular species of fungus. The adults emerge in May and feed on the pollen of different species of flowers, the females occasionally taking insects to provide extra protein for egg-production. The adult beetles have a short life and most have died by the end of the summer.

Wasp beetles practice what is known as ‘protective-colouration’, mimicking a more aggressive species of animal. As well as the wasp-like markings on their bodies, they also copy the wasps’ style of moving about across a flower-head, adopting the side-ways walk characteristic of wasps. Unlike wasps, however, they lack the sting in the tail.

Threats – Wasp beetle

This species is still very common across its range and chief threats come from inappropriate management or loss of their woodland habitat.

Conservation – Wasp beetle

There are currently no conservation projects specifically aimed at preserving the wasp beetle. Although the species has a preference for woodland with plenty of open areas where flowers can grow, it is polyphagous, meaning it can feed from a number of different plant species. The wood-boring larvae only require trees that are host to certain fungi but can be found living within a variety of tree species.

There may be further information about this species available via the National Biodiversity Network Gateway.

Authentication

This information is awaiting authentication by a species expert, and will be updated as soon as possible. If you are able to help please contact:
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Glossary

  • Deciduous: a plant that sheds its leaves at the end of the growing season.
  • Larvae: stage in an animal’s lifecycle after it hatches from the egg. Larvae are typically very different in appearance to adults; they are able to feed and move around but usually are unable to reproduce.

References

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Image credit

Wasp beetle on leaf
Wasp beetle on leaf

© Nick Upton / naturepl.com

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