Distribution China (Yunnan, Guangxi, Hainan *, Guandong), Myanmar, Vietnam, Thailand, Cambodia, Malaysia (Peninsula, Borneo), Singapore, Indonesia (Sumatra, Bangka Belitung, Natuna, Java) (Mawdsley 2016 partim; Ascher et al. 2022; Ascher & Pickering 2024; present study). The listing from Sulawesi (Ascher & Pickering 2024) requires further investigation, as it was not considered part of the fauna of this island by van der Vecht (1953).
Sumber: An illustrated type catalogue of the bee species collected by Alfred Russel Wallace and described by Frederick Smith from Southeast Asia (Hymenoptera: Apoidea)
