Which wasp 1

Which wasp 1

Observation - Which wasp 1. Description: Tidying up in the reserve hut revealed several wasps nests behind old posters. Is a species level ID possible? I don't have any hymenoptera literature that goes into nest design. Diameter of nest approximately 50mm A smaller nest is here - http

Tidying up in the reserve hut revealed several wasps nests behind old posters. Is a species level ID possible?

I don't have any hymenoptera literature that goes into nest design.

Diameter of nest approximately 50mm

A smaller nest is here - http://www.ispot.org.uk/node/113985