Three-banded Mason Wasp

Ancistrocerus trifasciatus


Body length 7 to 12mm. Very similar to other wasps in this genus, so careful observation is needed for correct identification.


A wide range of habitats are used, including woodlands, grasslands and wetlands. The females nest in tubular structures such as hollow plant stems, which they stock with beetle and moth larvae.

Status and distribution

Common and widespread in England and Wales, but rarely recorded in Scotland. Common in Nottinghamshire and at Netherfield Lagoons.

Best time to see

May to September.