Identification Atlas of the Vespidae (Hymenoptera, Aculeata) of the northeastern Nearctic region
Matthias Buck, Stephen A. Marshall, and David K.B. Cheung
Department of Environmental Biology, University of Guelph, Guelph, Ontario, Canada N1G 2W1
Updates and Errata
Labelling of medial cell in Fig. B1.1 (originally mislabelled as "marginal cell") has been corrected (date: 25/02/08, credit: Mike Sharkey).
A mistake in the first half of couplet 7 of the Key to Ancistrocerus species has been corrected (date: 19/03/08).
One paragraph of Acknowledgements (accidentally omitted in original version) has been added (date: 17/03/08).