Euhesma aulaca sp. n.: A–D, I Holotype female: A dorsal B lateral C head lateral D head frontal I mouthparts E–H: Allotype male E dorsal F lateral G head ventral H head frontal.

  Part of: Hogendoorn K, Stevens M, Leijs R (2015) DNA barcoding of euryglossine bees and the description of new species of Euhesma Michener (Hymenoptera, Colletidae, Euryglossinae). ZooKeys 520: 41-59.