Togoperla

Stark, Bill P. & Sivec, Ignac, 2008, The Genus Togoperla Klapálek (Plecoptera: Perlidae), Illiesia 4 (20), pp. 208-225 : 224

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

Figures

Figs. 63‐68. Scanning electron micrographs of T. poilanina eggs, 63. Entire egg from holotype, 64. Collar and chorionic detail from holotype, 65. Entire egg from Tam Dao specimen, 66. Collar from apical aspect from Tam Dao specimen, 67. Collar and chorionic detail from Tam Dao specimen, 68. Lid from Tam Dao specimen.

Figs. 57‐62. Scanning electron micrographs of eggs. 57. T. canilimbata, 58. T. canilimbata micropyles and chorionic detail, 59. T. shan collar, 60. T. shan micropyles and chorionic detail, 61. T. tricolor, from holotype, 62. T. tricolor micropyle and chorionic detail.