Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Wasps: An account of the biology and natural history of solitary and social wasps
By J. Phillip Spradbury
Cite: 859629 with citation markup [cite:859629]
This is an excellent reference on the solitary and social aculeata of the British Isles. It has an extensive review of British solitary wasps and social Vespinae as well as references to Vespinae from other parts of the world.

Here is a link to a readable/downloadable copy of this book: