FIGURES 16–24 in Description of three new species of Neoperla (Plecoptera: Perlidae) and a historical review of tropical Southeast Asian Perlidae

FIGURES 16–24. Neoperla yentu sp. nov. (16) Male head and pronotum. Scale bar = 0.5 mm. (17 & 18) Male right forewing and hindwing. Scale bar = 3 mm. (19) Male dorsal terminalia. Scale bar = 0.5 mm. (20) Female ventral terminalia. Scale bar = 0.5 mm. (21 & 22) Everted lateral and ventral aedeagus. Scale bar = 1 mm. (23 & 24) Female vagina and egg. Scale bar = 0.2 mm. M = micropyle.