Macropsis patellata is a solitary bee in the Melittidae family.

This species is endemic to the United States with observations in Minnesota, Virginia, North Carolina, Maryland, Vermont, Michigan and Massachusetts.

[1] M. patellata is oligolectic and known to feed only on species in the primrose family such as Lysimachia ciliata.

[2] In Michigan the species has been a host for Epeoloides pilosulus.

[3] This Apoidea-related article is a stub.