Key to species of the genus Takagioma Thapa, 1989 (Male) 1. Pygofer hook curved laterad............................................................................. 2 - Pygofer hook curved mesad............................................................................. 3 2. Aedeagal shaft with apical process........................................................................ 4 - Aedeagal shaft without apical process..................................................................... 5 3. Aedeagus with dorsoatrium developed (Fig. 29)............................................... T. pagoda sp. nov. - Aedeagus with dorsoatrium underdeveloped..................................................... T. unita Thapa 4. Paramere evenly curved apically; aedeagus evenly tapered in lateral view (Figs 64, 65)................ T. anguis sp. nov. - Paramere sinuate apically; aedeagus abruptly tapered preapically in lateral view (Figs 73, 74)....... T. longicauda sp. nov. 5. Aedeagal shaft wide at base and strongly tapered to apex...................................................... 6 - Aedeagal shaft nearly parallel sided through most of length.................................................... 7 6. Base of aedeagal shaft short and obviously expanded in ventral view, abruptly tapered preapically (Fig. 37)..................................................................................................... T. rostra sp. nov - Base of aedeagal shaft long and slightly expanded in ventral view, evenly tapered from base to apex................................................................................................... T. silvicola Dworakowska 7. Pygofer hook strongly curved, forming less than a 90 degrees angle with basal part, with apex blunt................................................................................................... T. orientalis Dworakowska - Pygofer hook slender and only moderately curved apically.................................................... 8 8. Caudal part of paramere reaching midlength of aedeagal shaft (Fig. 54)............................. T. curvata sp. nov - Caudal part of paramere reaching apex of aedeagal shaft (Fig. 44).................................. T. gladius sp. nov

Published as part of Qin, Huimin, Kang, Juxia, Huang, Min & Zhang, Yalin, 2020, On the Oriental leafhopper genus Takagioma Thapa, 1989 (Hemiptera: Cicadellidae: Typhlocybinae: Dikraneurini) with descriptions of six new species, pp. 299-310 in Zootaxa 4742 (2) on pages 300-301, DOI: 10.11646/zootaxa.4742.2.4, http://zenodo.org/record/3677807