Review of the leafhopper genus Drabescus Stål (Hemiptera: Cicadellidae: Deltocephalinae) in the Indian subcontinent with description of one new species Author Viraktamath, C. A. 0000-0002-7402-3841 Department of Entomology, University of Agricultural Sciences, GKVK, Bengaluru 560065, India. chandrashekara.viraktamath@gmail.com Author Webb, M. D. 0000-0002-1312-6142 Department of Life Science, The Natural History Museum, Cromwell Road, London SW 7 5 BD, United Kingdom. & m. webb @ nhm. ac. uk; https: // orcid. org / 0000 - 0002 - 1312 - 6142 m.webb@nhm.ac.uk Author Yeshwanth, H. M. 0000-0002-7402-3841 Department of Entomology, University of Agricultural Sciences, GKVK, Bengaluru 560065, India. & hmyeshwanth @ gmail. com; https: // orcid. org / 0000 - 0002 - 5104 - 3401 chandrashekara.viraktamath@gmail.com text Zootaxa 2022 2022-04-20 5128 2 225 247 journal article 55847 10.11646/zootaxa.5128.2.4 a9b6e575-57e1-4fe3-90ee-c4a375f2958e 1175-5326 6479814 5C65C12C-7943-47C8-B08E-01B84B4B0ED0 Key to species of Drabescus from the Indian subcontinent (males) [Male sex of D. stramineus not known] 1. Pygofer with a spine-like apical process, ventral margin almost straight and not dentate.............................. 2 - Pygofer without spine-like process, ventral margin concave with dentate margin ( Figs 7 AB; 8AB)..................... 6 2. Aedeagus with basal processes on the shaft in dorsal or ventral view ( Figs 6E ; 9G ; 10G ; 12F )......................... 3 - Aedeagus without basal processes on the shaft, in lateral view shaft expanded in distal half ( Fig. 11D )................................................................................................... D. nigrofacialis (Distant) 3. Aedeagus with lateral processes divergent in dorsal or ventral view ( Figs 9D ; 10E ; 12D )............................. 4 - Aedeagus with lateral process convergent apically in dorsal or ventral view ( Figs 6E ; 12 FG)......................... 5 4. Aedeagal shaft with lateral processes more than 0.75 as long as shaft, arising at base ( Figs 10 EGH)................................................................................................. D. nervosopunctatus Signoret - Aedeagal shaft with lateral processes about 0.33 as long as shaft, arising about 0.33 distance from base of shaft ( Figs 9 DE)...................................................................................... D. limbaticeps ( Stål) 5. Style with poorly-developed angular subapical lobe ( Fig. 6C ); lateral processes of aedeagal shaft extending to top of aedeagus in ventral view ( Fig. 6F )............................................................... D. angulatus Signoret - Style with well-developed more or less rounded subapical lobe ( Fig. 12E ); lateral processes of aedeagal shaft not extending to top of aedeagus in ventral view ( Fig. 12F ).................................................. D. shillongensis Rao 6. Pronotum and mesonotum predominantly orange brown (Figs 1G–J); aedeagus including dorsal apodeme U-shaped, basal processes of shaft about 0.66 as long as shaft in lateral view ( Fig. 8H ), in dorsal view weakly divergent from shaft ( Figs 8 EF)....................................................................................... D. kempi Pruthi - Pronotum and mesonotum predominantly black or dark brown (Figs 1EF); aedeagus including basal apodeme V-shaped, basal processes of shaft about half as long as shaft in lateral view ( Fig. 7 GH), in dorsal view strongly divergent from shaft ( Figs 7 EF)............................................................................ D. austroindicus sp . nov .