This is the only species of this subgenus in North America. This is a large, easily recognized bee. The female has a slightly elongated punctures on the flattened clypeus, highly punctate metasomal terga, roughened but not rugulose propodeal enclosure, and pollen collecting hairs similar to Thysandrena. Males are similar but the clypeal punctures tend to be round and sternum 6 is flat and slightly emarginate.
County Records: Sumter
Locations: Webster
Dates: May-July
Plant: Polylectic (many plants, especially legumes, see list in LaBerge)
Notes: It is uncertain if this species occurs in Florida. There are no collections of it in the FSCA. However, LaBerge lists it based on one specimen if from Sumter Co.