Distribution Indonesia (Sumatra, Java, Borneo, Lesser Sunda Islands) and Timor-Leste (Maa 1939; Lieftinck 1955, 1956 b). Ascher & Pickering (2024) also gives locations in Malaysia (Peninsula, Borneo).
Sumber: An illustrated type catalogue of the bee species collected by Alfred Russel Wallace and described by Frederick Smith from Southeast Asia (Hymenoptera: Apoidea)
