Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
The social Vespidae of the Guianas, particularly of British Guiana (Hymenoptera)
By Bequeart, J.C.
Bulletin of the Museum of Comparative Zoology at Harvard College, vol. 94, no. 7, pp. 249-304., 1944
Cite: 1910271 with citation markup [cite:1910271]
Useful for keying P. carnifex and P. major, which range into the southern US.
Full text (relevant portion of the key)