Hydatophylax variabilis (Martynov 1910)
Type locality. Russia (Northwestern Siberia).
Platyphylax variabilis Martynov 1910, 345, female.
Hydatophylax variabilis: Schmid 1950, 287-289, male, female.
Fischer 1969, 297.
Fischer 1973, 154.
Kuranishi and Kuhara 1994, Hokkaido (Kushiro).
Ito et al. 1998, 11, 17, Hokkaido (Nemuro).
Itou and Muramatsu 1998, 40, Hokkaido (Okhotsk).
Ito et al. 2000b, 33-34, Hokkaido (Ishikari).
Nozaki et al. 2000, 203.
Nozaki 2005a, 525, 528, male, larva.
Muramatsu 2008, 10, Hokkaido (Okhotsk).
Zhang 2008, 172-180, larva, pupa, case, Hokkaido (Nemuro, Tokachi, Kamikawa, Ishikari).
Kuhara 2011, 53, 74, Hokkaido (Hidaka).
Tanida 2016, 115.
Nozaki 2018a, 617, 624, 626, male, larva.
Muramatsu 2022, 41, male, female, Hokkaido (Okhotsk).
Ito and Kuhara 2023, 58, 70, female, Hokkaido (Kamikawa).
Hydatophylax variabilis variabilis Martynov: Schmid 1955, 198.
Hydatophylax grammicus (McLachlan): Yamanouchi 1976, 5-6, adult, Hokkaido (Tokachi). Misidentification mentioned by Kuhara and Kuranishi (1997).
Kobayashi 1977, 4, Hokkaido (Tokachi). Misidentification mentioned by Nozaki et al. (2000).