Type notes:
Material included: Angola: Rio Mbalé, 120 km. S Vila da Ponte, ix.1928 (A. Monard); major and minor workers, deposited in NHMB (no type status).
As unavailable (infrasubspecific) name: Santschi, 1937d: 240.
Declared as unavailable (infrasubspecific) name: Bolton, 1995b: 90.