Polydrusus formosus

Polydrusus formosus

Description

Length 5 to 6 mm. A bright metallic green weevil with round scales, a dark club to the pale antennae and a short groove between the eyes. It does not have any setae (bristles). It has conspicuous striae on the elytra. The scales can wear off to reveal the dark body beneath.

Identification difficulty
ID checklist (your specimen should have all of these features)
  • 5-7mm
  • Elongate, slender shape
  • Green, oval-round scales. No erect hairs
  • Antennae red with a black club.
  • Legs red. All femora with a tiny tooth
  • Pronotum barrel-shaped
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

Found on various broadleaved trees and bushes.

When to see it

April to August.

Life History

Adults of this beetle lay their eggs in the bark or leaves of the host-plants. The soil inhabiting larvae grow up to 7 millimetres long feeding on juicy plant roots. In Autumn their development is complete. They overwinter and pupate in Spring.

UK Status

Widespread in England but previously very scarce, it is now undergoing an increase in numbers.

VC55 Status

Uncommon or under recorded 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