Primary type information:
Primary type material: holotype (?) worker. Primary type locality: Yemen: (no further data) (P. Forskål). Primary type depository: unknown (no material known to exist).
Type notes:
1) No indication of number of specimens is given. 2) According to Horn & Kahle, 1935: 79, Forskål material should be in ZMUC. 3) Emery, 1892c: 160, says “impossible to classify”.