Macrosiphoniella aqua Zhang, Chen, Zhong & Li, in Zhang 1999 = Macrosiphoniella (Phalangomyzus) grandicauda Takahashi and Moritsu

Paratypes of M. aqua, described from Artemisia selengensis in north­west China, seem to be small specimens of M. grandicauda, an aphid found on Artemisia spp. in Japan, China, Korea, east Siberia, India and Nepal.