Referentie:
YAMANE, Seiki; WAGNER, Robert E.; YAMANE, Soichi. A tentative revision of the subgenus Paravespula of eastern Asia (Hymenoptera: Vespidae). Insecta matsumurana. New series: journal of the Faculty of Agriculture Hokkaido University, series entomology., 1980, 19: 1-46.
URL:
https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/9800/1/19_p1-46.pdf