Hagenella apicalis (Matsumura 1904)
Type locality. Hokkaido (Ishikari), Japan.
Neuronia apicalis Matsumura 1904, 172-173, pl. 12, adult, Hokkaido (Ishikari).
Matsumura 1907, 188, adult.
Tsuda and Kuwayama 1950, 423, adult.
Neuronia dentata Martynov 1909, 230-233, male. Synonymized by Wiggins (1998).
Hagenella apicalis: Matsumura 1931, 1120, adult.
Kuwayama 1932, 1500, adult.
Matsumura 1933, 2, pl. 1, adult.
Esaki et al. 141, pl. 63, adult.
Takeuchi 1955, 75, pl. 28, adult.
Kuwayama 1973, 38, Hokkaido (Rumoi, Kamikawa, Ishikari, Oshima).
Tanabe 1980, 61, adult, Hokkaido (Ishikari).
Itou 1993, 131, Hokkaido (Kushiro).
Saito 1994, 17-18, adult, Hokkaido (Yururi-to).
Wiggins 1998, 190-192, male, female, larva, pupa, variation of female genitalia, habitat, Hokkaido (Tokachi, Ishikari, Iburi, Oshima).
Kushiro Insect Lovers' Society 1999, 217, Hokkaido (Nemuro).
Nozaki et al. 1999, 351.
Ito et al. 2000a, 22-23, 26, 28-30, Hokkaido (Soya).
Ito et al. 2000b, 30, Hokkaido (Ishikari).
Nagayasu et al. 2003, 108, Hokkaido (Ishikari). An adult male as this species showed in a photograph (fig. 3) belongs to Oligotricha hybridoides (Nagayasu et al. 2005).
Nagayasu et al. 2005, 55, Hokkaido (Ishikari).
Nozaki 2005a, 497, male.
Nakatani et al. 2006, 36, Hokkaido (Soya).
Ito and Kosugi 2007, 53, Hokkaido (Kushiro).
Muramatsu 2008, 7, Hokkaido (Okhotsk).
Nakatani et al. 2008, 54, Hokkaido (Soya).
Ito et al. 2010, 61, 75, Hokkaido (Oshima).
Tsuji et al. 2010, 6, Hokkaido (Okhotsk).
Ito 2013, 58, Hokkaido (Kushiro).
Ijima and Tsuchiya 2014, 30, Hokkaido (Kushiro, Okhotsk).
Nozaki 2016, 356-357, 436, adult.
Tanida 2016, 100.
Ito 2017b, 43, Hokkaido (Kamikawa).
Nozaki 2018, 587, 588, male.
Muramatsu 2022, male, female.
Ito and Kuhara 2023, 67, Hokkaido (Soya, Kamikawa).
Neuronia (Hagenella) apicalis: Kuwayama 1949, 306, adult.