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Biology and Pollination Services of the Squash Bee: Eucera (Peponapis) pruinosa [PDF]
(lopezuribelab.com)
This community is all about bees and beekeeping. Your one-stop shop for best beekeeping practices supported by science, exciting new bee research, beekeeping Q&A, etc.
The focus is primarily on keeping Apis mellifera, but discussion of all bee species, even if they aren't managed by beekeepers, is welcome.