Distribution; world
An invasive species in southern Europe (2008) and in North America (1994). Its natural range is in the Oriental region of Eastern Asia. The species is spreading rapidly and Westrich (2015) adds it to the Geman apifauna and reports on records from Switzerland:
CH, DE, FR, IT, CA, US, CN, JP, KR, TW
Conservation status; world
Invasive in Europe