Male terminalia of E. barthelli (paratype. Mexico: Jalisco, Ajijic, KUNHM-ENT 0504535). 90 Seventh metasomal sternum in ventral view 91, 92 Eighth metasomal sternum in ventral and lateral views 93–95 Genital capsule in dorsal, ventral, and lateral views.

  Part of: Gonzalez VH, Griswold T, Simões M (2017) On the identity of the adventive species of Eufriesea Cockerell in the USA: systematics and potential distribution of the coerulescens species group (Hymenoptera, Apidae). Journal of Hymenoptera Research 55: 55-102.