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Published online by Cambridge University Press: 31 May 2012
I have been so fortunate as to have, while making the following notes, the collection of Philanthus belonging to the Academy of Natural Sciences before me.
Philanthus Sanborni, Cress. (Philanthus Trumani, Dun. Ent. News, VIII.,70, ♂, not ♀.)
This species does not always have the W-shaped mark on face described by Cresson.