Provisional Key to Togoperla Females

( T. noncoloris, T. totanigra, T. triangulata not included)

1 Femora distinctly banded in yellow and dark pigment ……………………………….………….. 2

1’ Femora essentially uniformly brown except for narrow dark apical band …………………….…. 5

2 Median part of femora yellow with dark apical and basal bands; tibiae banded ………………… ………………………………. canilimbata, perpicta

2’ Basal part of femora yellow, apical half to two thirds dark brown; tibiae uniformly pigmented ….. 3

3 Known from southwest China ………….. fortunati

3’ Known from Vietnam.………………………….. 4

4 Dark pigment between eyes restricted to ocellar area; egg coarsely punctate and bearing a collar (Fig. 65) ……………………………………. poilanina

4’ Dark pigment between eyes covers ocelli and approaches inner margins of eyes; egg chorion smooth, collar absent ……………………….. clavata

5 Known from Japan ……………………….. limbata

5’ Known from mainland Asia …………………… 6

6 Egg pear shaped with sessile collar (Fig. 59); vagina constricted near midlength; known from Thailand ……………………………………… shan

6’ Egg oval, without collar; vagina constricted near attachment to subgenital plate; known from east China ……………………………………….. tricolor