Proceratium crassicorne

Distribution
This taxon was described from U.S.A.

Nomenclature

 *  crassicorne. Proceratium crassicorne Emery, 1895c: 265, pl. 8, fig. 9 (w.) U.S.A. Smith, M.R. 1928b: 244 (q.); Wheeler, G.C. & Wheeler, J. 1952a: 137 (l.); Baroni Urbani & De Andrade, 2003b: 426 (m.). Junior synonym of silaceum: Creighton, 1950a: 40; Brown, 1958g: 248. Revived from synonymy: Baroni Urbani & De Andrade, 2003b: 422.