Palaeagapetus flexus Ito 1992
Type locality. Hokkaido (Iburi), Japan.
Palaeagapetus flexus Ito 1992, 431-438, male, female, pupa, larva, egg, case, habitat, life cycle, Hokkaido (Nemuro, Tokachi, Kamikawa, Ishikari, Hidaka, Iburi).
Ito et al. 1993, 143.
Ito et al. 1997, 100-101, 105-107, Hokkaido (Tokachi, Sorachi, Ishikari), Rishiri, Russia (Sakhalin, Itrup).
Ito 1998, 85-93, habitat, food, case, fecundity.
Ohkawa 1999, 40, 42, 44, Hokkaido (Tokachi).
Ito et al. 1998, 10, 13-14, 16-17, Hokkaido (Nemuro).
Ito et al. 2000, 29, Hokkaido (Ishikari).
Kuhara et al. 2000, 249, Hokkaido (Ishikari, Iburi).
Kuhara and Sato 2001, 64, Rishiri.
Ito 2005, 441, 443, 445, male.
Ito et al. 2007, 149, Hokkaido (Kushiro).
Kuhara 2011, 52, 61, 72, flight season, Hokkaido (Sorachi, Hidaka).
Ito 2013, 51, 80, Hokkaido (Nemuro, Kushiro, Tokachi).
Tanida 2016, 74.
Ito 2017, 40, Hokkaido (Kamikawa).
Ito 2018, 512-513, male.
Ito and Kuhara 2023, 60, Hokkaido (Soya, Kamikawa).