Crematogaster uruguayensis

Longino, J. T., 2003, The Crematogaster (Hymenoptera, Formicidae, Myrmicinae) of Costa Rica., Zootaxa (151), pp. 1-150 : 130

There are two syntype workers of uruguayensis on a pin at NHMB, and I compared them to a syntype of sericea . They are a bit darker than the types of sericea , and the setal pattern on the fourth abdominal tergite is more like torosa than crinosa .