Head of female A E. bifasciatus showing frontal area with pair of granulose protrusions B E. lectus showing frontal area without protrusions C E. chamaesarachae paratype showing vertexal area with four shiny, impunctate protrusions, and D E. mesillae showing vertexal area without protrusions. Scale bars 1 mm.

 
 
  Part of: Onuferko TM (2018) A revision of the cleptoparasitic bee genus Epeolus Latreille for Nearctic species, north of Mexico (Hymenoptera, Apidae). ZooKeys 755: 1-185. https://doi.org/10.3897/zookeys.755.23939