Four new species of nemouridae (plecoptera: Insecta) from Korea

Abstract

Four new nemourid species, Amphinemura rai n. sp., Amphinemura baei n. sp., Protonemura villosa n. sp., and Nemoura espera n. sp. are described and illustrated. Amphinemura rai n. sp. closely resembles Amphinemura tragula (Kimmins) externally, but differs from Amphinemura tragula by the projections on male terminalia and the shape of the female subgenital plate. Amphinemura baei n. sp. is similar to A. bulla Shimizu in body color, size, and structure of male and female terminalia, but distinguished by the ventral sclerites of epiproct, the knobs on the sides of the epiproct, and the shape of paraprocts. Protonemura villosa n. sp. is similar to P. hotakana Ueno in body color, size, and the structure of terminalia, but distinguished by the epiproctal flagellum and ventral sclerite, the shape of the tenth tergum. Finally, Nemoura espera n. sp. is close to Nemoura alabeli Zhiltzova in appearance, but differs by the shape and location of the ventral and dorsal sclerites of the epiproct