Box-headed Mason Wasp

Gymnomerus laevipes


Body Length 8 to 11mm. Has a square head and straight front edge to the pronotum


Often found on brown-field sites and other open habitats, as well as woodland. It uses hollow stems of bramble, umbellifers etc as nest sites, provisioning its larvae on weevils.

Status and distribution

A southern species, though not the West Country, sparsely recorded as far north as Nottinghamshire. Uncommon in Nottinghamshire and at Netherfield Lagoons.

Best time to see

May to September.