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USGS Bee Inventory and Monitoring Lab   cc-publicdomain

Osmia illinoensis is a species of Hymenoptera in the family Megachilidae. They visit flowers of Suisun Marsh aster, broadleaf enchanter's nightshade, and Ackerman's milkvetch.

EOL has data for 8 attributes, including:

Known occurrences, collected specimens and observations of Osmia illinoensis Robertson 1897. View this species on GBIF