Amblyopone castaneus Smith, 1860b: 105, pl. 1, fig. 6 (w.) INDONESIA (Bacan I.). Australasia.

Primary type information: Primary type material: 2 syntype workers. Primary type locality: Indonesia: Bachian (= Bacan) I., “Bac” (A.R. Wallace). Primary type depository: OXUM. Primary type specimen: CASENT0901371.