Six species of Tortricinae (Lepidoptera, Tortricidae) new to North Korea

Six species of Tortricinae based on the materials in the Hungarian Natural History Museum were added to the North Korean fauna: Aethes rectilineana (Caradja), Gynnidomorpha luridana (Gregson), G. permixtana (Denis & Shiffermüller), Alceris uniformis (Filipjev), Eana vetulana (Christoph) and Neocalyptis angustilineata (Walsingham). Photos of adults and the genitalia are provided with brief comments on the distribution.     

Description of Optioservus gapyeongensis new species and Heterlimnius hasegawai (Nomura) (Coleoptera: Elmidae) new to Korea

A new riffle beetle species Optioservus gapyeongensis n. sp. is described from the adult and larval stages. Heterlimnius hasegawai (Nomura), previously misidentified in Korea as Optioservus (Cyclolimnius) kubotai Nomura or Optioservus variabilis Nomura, is redescribed. The adults and larvae of both species inhabit attached mosses on substrates of clean mountain streams, headwaters or springs. Photographs of dorsal adults and habitats and line drawings of diagnostic characters are provided.