Conothorax bilobum Karavaiev, 1935a: 75, fig. 8 (w.) VIETNAM. Indomalaya.

Primary type information: Primary type material: holotype minor worker. Primary type locality: Vietnam: Cauda (= Cau Da), 1930-31, no. 5759 (K.N. Davydov). Primary type depository: unknown (not in SIZK (Radchenko et al., 2023: 10)). Type notes: The type locality as printed is “Cambodia: Cauda”, but all other taxa in the publication from Cauda are cited as Vietnam (the recent spelling Cau Da).