Birch Leaf Roller - Deporaus betulae

This is an all-black weevil with punctate elytra, 3-5 mm. The males have swollen femora on the rear legs but not the females. The elytra are oblong-shaped. The rostrum is broad and widens towards the tip.

Caenorhinus mannerheimii has a head width (across the eyes) at least as wide as the pronotum.

• all black, 3-5mm
• upperside pubescent
• head with a basal restriction ('neck')
• rounded 'temples' behind the eyes
• rostrum broad and widening towards the tip
• head width across the eyes narrower than the pronotum width
• elytral punctuation rows 8+9 merge at the apex

Unless identified by a recognised expert, good photos are required that show the key ID features. Also state the beetle's size in the comments box.

Found mainly on Birch but can be found on other trees such as Alder and Hazel.

Spring and summer.

The females cut most of the way through a leaf, producing an inverted cone, in which an egg is laid.

Widespread and fairly frequent in Britain.

Fairly frequent in Leicestershire and Rutland.