Revision of the genus Amytta (Orthoptera: Tettigoniidae, Meconematinae) and new species from East Africa Author Hemp, Claudia Author Heller, Klaus-Gerhard text Zootaxa 2017 4263 2 295 317 journal article 33086 10.11646/zootaxa.4263.2.5 0a5eaf77-8aa5-4527-9341-0afe6d0f62a3 1175-5326 573109 6B77DA06-E855-4909-9D52-5FFF6FCF0FEB Key to species of Amytta (males) 1 Alate species with tegmina and wings slightly shorter, as long or longer than body length.............................2 1´Flightless species with tegmina shortened.................................................................. 6 2 Tegmina not reaching end of abdomen, covering about 2/3 of abdomen; last abdominal tergite unmodified. Tanzania , North Pare Mountains.......................................................................... A. mramba n. sp. 2´Tegmina about body length or longer......................................................................3 3 Last abdominal tergite with elongated strongly down-curved process; tegmina and alae about body length or slightly longer. Tanzania , North Pare Mountains............................................................. A. judithae n. sp. 3´Last abdominal tergite without elongated down-curved process; tegmina and alae surpassing body length by about ½ of their length..............................................................................................4 4 Posterior margin of last abdominal tergite with two thorn-like processes forming broad “u” medially; cerci differentiated into two large branches. Central Tanzania, Iringa province................................................. A. ukamica 4´Posterior margin of last abdominal tergite without processes, male cerci not differentiated into two branches............. 5 5 Male cerci with finger-like process basally. Tanzania , West Usambara Mountains...................... A. digitata n. sp. 5´Male cerci without finger-like process basally. Tanzania , East Usambara Mountains and coastal Tanzania ....... A. pellucida 6 Last abdominal tergite with process.......................................................................7 6´Last abdominal tergite without process.....................................................................8 7 Last abdominal tergite with elongated, strongly bulging and down-curved process ( Fig. 4 , 5 A ). Tanzania , North Pare Moun- tains................................................................................... A. kilomeni n. sp. 7´Last abdominal tergite with short process ( Fig. 12 B). Tanzania , Mt Kilimanjaro ...................... A. savannae n. sp. 8 Posterior margin of last abdominal tergite broadly incurved ( Fig. 1 B; 2 A, C)......................................9 8´Posterior margin of last abdominal tergite with median incision ( Fig. 1 C–E)...................................... 11 9 Cerci laterally compressed and folded, forming hollow space; subapically with blade-like projection and inwardly curved, hol- low apices. Tanzania, submontane zone Mt Kilimanjaro................................................. A. olindo 9´Cerci not as strongly laterally compressed, subapical dorsal blade prominent and apical branch differentiated into twisted three dimensional structure.................................................................................10 10 Subapical blade of cerci large with broad base; apical structure of inner cercal branch with acute apex and knob-like structure subapically ( Fig. 2 C, D). Tanzania, montane forest Mt Meru.................................. A. merumontana n. sp. 10´Subapical blade of cerci not as large and more slender as in A. merumontana n. sp. ; apex of inner cercal branch long and slen- der and well-developed conus-like structure subapically ( Fig. 2 A, B). Tanzania, montane zone of Mt Kilimanjaro................................................................................................ A. kilimandjarica 11 Apices of cerci strongly folded and apically pointed.........................................................12 11´Apices of cerci not as strongly folded, more open. Tanzania , Mt Hanang.......................... A. hanangensis n. sp. 12 Tips of cerci bidentate with two acute apices. Kenya, Taita Hills................................... A. taitensis n. sp. 12´Tips of cerci not bidentate..............................................................................13 13 Cerci strongly folded with subapical dorsal blade large and almost inwardly curled apices; median incision of posterior margin of last abdominal tergite deep. Central Kenya , lower foothills of Aberdare Range......................... A. abbreviata 13´Cerci not as strongly folded with smaller subapical dorsal blade; apices of cerci more open; median incision smaller, not as deep as in A. abbreviata . Tanzania, Mt Meru.................................................. A. meruensis n. sp.