This paper deals with the new subgenus Rugovespula consisting of two species, Vespula koreensis and V. orbata. V. koreensis is considered to consist of three subspecies:-koreensis (nominate ssp.), salebrosa (ssp. nov.), stizoides (comb. nov.); and V. orbata of two subspecies:-orbata (nominate ssp.), arisana.
Archer, Michael E., "A Revision of the Subgenus Rugovespula nov. of the Genus Vespula (Hymenoptera, Vespidae)" (1982). An. Paper 36.
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