A Checklist of the Bees (Hymenoptera: Apoidea) of Pennsylvania
Donovall, Leo R., vanEngelsdorp, DennisVolume:
83
Language:
english
Journal:
Journal of the Kansas Entomological Society
DOI:
10.2317/JKES808.29.1
Date:
January, 2010
File:
PDF, 207 KB
english, 2010