New records of polycentropodid caddisflies from Korea (Insecta: Trichoptera)

Four species of the family Polycentropodidae –Plectrocnemia baculifera, P. kusnezovi, Paranyctiophylax hjangsanchonus and Polyplectropus nocturnus– are recorded from Korea. Polyplectropus nocturnus is newly recorded from the Korean peninsula. The other three species are recorded from the Republic of Korea for the first time.     

The genus Plectrocnemia Stephens of Japan (Trichoptera; Polycentropodidae)

The Japanese species of the genus Plectrocnemia Stephens (Trichoptera; Polycentropodidae) are revised based on examination of male material. Five new species are described: P. divisa, P. suzukii, P. corna, P. scoparia, and P. odamiyamensis. P. levanidovae Vshivkova et al. is recorded from Japan for the first time and redescribed. P. wui (Ulmer), P. tochimotoi Schmid, P. tsukuiensis (Kobayashi), and P. okiensis Kobayashi are redescribed. Arctopsyche hirayamai Matsumura is transferred to Plectrocnemia and redescribed. P. asuana Kobayashi, P. kadowakii Kobayashi, and P. makiensis Kobayashi are transferred to the genus Nyctiophylax Brauer.