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USGS Bee Inventory and Monitoring Lab   cc-publicdomain

Hylaeus mesillae is a species of Hymenoptera in the family plasterer bees. They visit flowers of black medick, sweet fennel, Bishopsweed, and Queen Anne's lace.

EOL has data for 10 attributes, including:

Known occurrences, collected specimens and observations of Hylaeus mesillae (Cockerell 1896). View this species on GBIF