The Genus Togoperla Klapálek (Plecoptera: Perlidae) Author Stark, Bill P. Author Sivec, Ignac text Illiesia 2008 4 20 208 225 journal article http://doi.org/10.5281/zenodo.4754843 d0f0400d-eb9b-4114-9a4e-a7f7f680e3a3 1854-0392 4754843 Provisional Key to Togoperla Males 1 Hemitergal process forward of basal callus about as long as callus ( Fig. 2 ) ……….………………... 2 1’ Hemitergal process forward of basal callus distinctly longer than callus ( Fig. 8 ) …………… 5 2 Wings hyaline; terga 6‐9 with brown mesal sclerite …………………………..…….…. noncoloris 2’ Wings mostly dark brown except for pale costal area …………………………………………….….. 3 3 Tergum 9 with a black mesal sclerite, T 6‐8 without sclerite …………………….…… totanigra 3’ Tergum 9 without mesal sclerite …………….… 4 4 Legs uniformly pigmented except for narrow dark apical femoral band …………………. tricolor 4’ Legs banded, femora and tibiae dark basally and at apex, but with mesal yellow band … canilimbata 5 Femora without conspicuous banding.……….. 6 5’ Femora with conspicuous banding ……………... 7 6 Basolateral lobes of aedeagal tube armed with spines ( Fig. 25 ); known from Japan ………. limbata 6’ Basolateral lobes of aedeagal tube without spines ( Fig. 48 ); known from Thailand …….……… shan 7 Tibiae and femora with conspicuous black and yellow bands …….……………………….……… 8 7’ Tibiae without pigment bands ………………… 9 8 Basolateral lobes of aedeagal tube covered with fine spines ( Fig. 36 ); head yellow brown around dark ocellar area …………………………. perpicta 8’ Basolateral lobes of aedeagal tube without spines; head brown around ocellar area ……… triangulata 9 Hemitergal lobes slightly swollen at tips in lateral aspect ( Fig. 14 ); terga 6‐9 with mesal sclerite ( Fig. 8 ); dorsal aedeagal armature extends to near basolateral lobes and covers surface of lobes ( Fig. 12 ) …………………………………………… clavata 9’ Hemitergal lobes more nearly acute in lateral aspect ( Fig. 18 ); terga 6‐9 without mesal sclerite; dorsal aedeagal armature does not approach bare, basolateral lobes …………………………….….. 10 10 Everted aedeagus a more or less straight cylinder in lateral aspect ( Fig. 17 ); dorsolateral armature connected to ventral armature in a slanted line of spines; known from southwest China ….. fortunati 10’ Everted aedeagus sinuate in lateral aspect ( Fig. 43 ); dorsolateral armature strongly excavated leaving a large lateral bare area ( Fig. 42 ); known from Vietnam ………………………....…. poilanina