Primary type information:
Primary type material: 2 syntype queens, 2 syntype males. Primary type locality: U.S.A.: California, Oct. (by restriction of Creighton, 1950a: 138). Primary type depositories: NHMW, USNM.
Type notes:
2 syntype workers (1 New Hampshire (T. Pergande), 1 Virginia (T. Pergande)) were excluded from the original type-series by Mayr, 1887: 628, and Emery, 1895d: 299, who identified them as specimens of Stenamma brevicorneMayr, 1886d, and not conspecific with the queens and males.