Oligotricha hybridoides Wiggins and Kuwayama 1971
Type locality. Hokkaido (Mt. Daisetsu, Kamikawa), Japan.
Oligotricha hybridoides Wiggins and Kuwayama 1971, 340-345, male, female, Hokkaido (Kushiro, Rumoi, Kamikawa, Ishikari).
Kuwayama 1973, 37, Hokkaido (Kushiro, Kamikawa, Ishikari).
Kuranishi and Kuhara 1994, 1226, Hokkaido (Kushiro).
Itou 1995, 166, Hokkaido (Kushiro).
Ito et al. 1998, 16-17, Hokkaido (Nemuro).
Wiggins 1998, 119-120, male, female, larva, pupa, pupal case,habitat, Hokkaido (Kushiro, Rumoi, Kamikawa, Ishikari).
Nozaki et al. 1999, 351.
Ito et al. 2000a, 26, 28-29, Hokkaido (Soya).
Nagayasu et al. 2003, 108, Hokkaido (Ishikari).
Nagayasu et al. 2005, 55, Hokkaido (Ishikari).
Nozaki 2005a, 497, male.
Muramatsu 2008, 6, Hokkaido (Okhotsk).
Nakatani et al. 2008, 54, Hokkaido (Soya).
Ito et al. 2010, 61-62, 75, Hokkaido (Shiribeshi).
Kuhara 2011, 53, 75, Hokkaido (Sorachi).
Ijima and Tsuchiya 2014, 30, Hokkaido (Kushiro, Okhotsk).
Nakatani 2016, 241, Hokkaido (Nemuro).
Tanida 2016, 101.
Ito 2017b, 44, Hokkaido (Kamikawa).
Nozaki 2018, 585, 588, male.
Nakatani and Ito 2019, 163, Hokkaido (Kushiro).
Ito and Kuhara 2023, 67, Hokkaido (Soya, Kamikawa).
Oligotricha fluvipes: Kuwada 1965, 165, pl. 83, adult, Hokkaido (Kamikawa). Misidentification mentioned by Wiggins and Kuwayama (1971).
Tanida 2008, 251, pl. 93, adult, Hokkaido.
Remarks. Tanida (2008) recorded O. fluvipes from Hokkaido based on the same specimen used by Kuwada (1965).