Belongs to: solitary bees

Harebell carpenter bee Chelostoma campanularum

Best time to see: mid Jun to mid Aug

Key facts

A tiny solitary bee that feeds mainly on bellflowers – campanulas – and also mates there

Small enough to nest in beetle or woodworm holes in wood; also nests in plant stems

Widespread and fairly common in the southern half of England


A slender black bee, 6–7mm long; the sexes are similar

The female has a pollen brush under the abdomen, usually charged with white pollen from campanulas

  • photo

© Tony Gunton