''Dufourea'' is a genus of sweat bees in the family

Halictidae Halictidae is the second-largest family of bees (clade Anthophila) with nearly 4,500 species. They are commonly called sweat bees (especially the smaller species), as they are often attracted to perspiration. Halictid species are an extremely div ...

. There are at least 160 described species in ''Dufourea''.Sharkey M.J. (2007). ''Phylogeny and Classification of Hymenoptera''."Phylogenetic relationships among superfamilies of Hymenoptera", Sharkey M.J., Carpenter J.M., Vilhelmsen L., et al. 2012. ''Cladistics'' 28(1): 80-112. The bees are very uncommon. The bases of their antennae are well below the middle of their face and are only separated from the clypeus on the bottom of the face by not much more than the diameter of an antennal socket. The clypeus is short and wide, and the labrum is nearly as long as the clypeus. The species features a pre- episternal groove. Dufourea maura f

References

* Michener, Charles D. (2000). ''The Bees of the World'', xiv + 913. * Michener, Charles D. (2007). ''The Bees of the World, Second Edition'', xvi + 953.

See also

References

Further reading