Figs. 12-19 in Poorly known Chloroperlidae (Plecoptera) from Korea, addressing a certain problem of limits between Alloperla Banks, 1906 and Sweltsa Ricker, 1943

Figs. 12-19. Characters of Haploperla maritima Zhiltzova & Levanidova, 1978. 12: male terminalia, dorsal view; 13: male terminalia, lateral view; 14: female head and pronotum, dorsal view; 15: female terminalia, ventral view; 16: female terminalia, lateral view; 17: male terminalia relaxed with KOH, ventral view; 18: male terminalia relaxed with KOH, lateral view; 19: male wings. Scale bar = 1 mm, scale 1 for Fig. 19, scale 2 for Figs. 12-18.