Aulacus costulatus. 1 Head, lateral 2 Mesosoma, lateral (scale bar = 1.0 mm) 3 Mesosoma, dorsal.

 
 
  Part of: Smith DR (2016) Two unusual new species of Aulacus Jurine (Hymenoptera, Aulacidae) from South America. Journal of Hymenoptera Research 53: 162-170. https://doi.org/10.3897/jhr.53.9902