Nipponoxenos vespularum Kifune & Maeta, 1975
Xenos (Nipponoxenos) vespularum Kifune & Maeta, 1975: 447.
Hosts.
Vespula flaviceps (Smith, 1870) (as Vespula lewisi Cameron, 1903) (Kifune and Maeta 1975); Vespula flaviceps flaviceps (Smith, 1870) (Kifune and Yamane 1991), Vespula shidai Ishikawa, Sk. Yamanne & Wagner, 1980 (Nakase and Kato 2013).
Distribution.
Japan: Honshu; Russia: Primorskij Kraj, Ussurijsk (Kifune and Yamane 1991).
Note.
This species was described under the monotypic subgenus Vespula Nipponoxenos Kifune and Maeta 1975.