Specialist bees among native Cephalosmia
4 native bees whose young are raised on the pollen of plants, by observations.
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Osmia montana
Pollen specialist on Erigeron, Cirsium, Senecio and 10 more
220 observations
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California Mason Bee
Osmia californica
Pollen specialist on Cirsium, Senecio, Ericameria and 6 more
11 observations
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Osmia subaustralis
Pollen specialist on Erigeron, Cirsium, Senecio and 5 more
5 observations
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Osmia grinnelli
Pollen specialist on Ericameria, Chaenactis, Hulsea and 2 more
2 observations