Primary type information:
Primary type material: holotype (?) worker. Primary type locality: none given. Primary type depository: unknown (perhaps DBET).
Type notes:
1) No indication of number of specimens is given. 2) Horn & Kahle, 1935: 95, say that Gravenhorst material is in “Zool. Univ. Mus. Breslau” (MNHW).