Prumna sp.

Specimens examined (4 Ƥ). <Ryanggang-do> Mt. Pektusan Mupo brook Dehongdan, 20 vii 1977, O.Gy. Dely & A. Dely-Draskovits (No. 380); Mt. Pektusan half-way between Samziyon and Mupo, 20 vii 1977, O.Gy. Dely & A. Dely-Draskovits (No. 381).

Remarks. All specimens are females without good differentiated characters and which were not reviewed by earlier authors.