Forest habitats and plant communities strongly predicts Megachilidae bee biodiversity 1USDA-ARS Pollinating Insects Research Unit, Logan, Utah, United States 2Department of Biological Science, Northern Arizona University, Flagstaff, Arizona, United States 3Biodiversity Outreach Network, Flagstaff, AZ, United States DOI 10.7717/peerj.16145 Academic Editor Dezene Huber Subject Areas Biodiversity, Biogeography, Ecology, Entomology, Zoology Keywords Bee, Apoidea, Richness, Climate change, Trees,...