Phlesirtes

Hemp, Claudia & Heller, Klaus-Gerhard, 2017, The genus Phlesirtes Bolivar, 1922 (Orthoptera: Tettigoniidae: Conocephalinae, Conocephalini; Karniellina), a review of the genus with data on its bioacoustics and the description of new species, Zootaxa 4244 (4), pp. 451-477 : 475-476

Key to the species of male Phlesirtes

1 Fore and mid tibiae with double row each of 6 ventral spines. Tanzania, Mt Hanang................. P. hanangensis n. sp.

1´Fore and mid tibiae with double row each of 5 ventral spines................................................... 2

2 Tips of processes of last abdominal tergite inwardly rolled ( Fig. 8 )...............................................3

2´Processes of last abdominal tergite not curved inwardly.......................................................6

3 Only posterior tips of processes inwardly curved, gap between both processes circle-shaped Kenya, Ngong Hills................................................................................................ P. ngongensis n. sp.

3´Posterior ends of processes broadly incurved................................................................4

4 Gap between processes triangle-shaped, also part of processes at dorsal aspect tri-angular. Kenya, Aberdare Range.............................................................................................. P. githunguri n. sp.

4´Gap between processes not triangle shaped.................................................................5

5 Posterior margin of subgenital plate almost straight. Gap between processes open, u-shaped. Kenya, Mt Kenya................................................................................................... P. keniensis n. sp.

5´Posterior margin of subgenital plate roundly incised. Gap between processes oval-shaped; Kenya, Aberdare Range............................................................................................... P. kinangopa n. sp.

6 Part of abdomen, last abdominal tergite and cerci partly or fully black............................................7

6´Abdomen and last abdominal tergite not completely black, predominantly brown and cerci not completely black..........8

7 Space formed between processes of last abdominal tergite almost rectangular, processes curved down-wards. Inner branches of cerci stout, slightly inflated midway. Cerci completely black. Uganda, northern slopes of Mt Elgon.... P. melanocercus n. sp.

7´Space formed between processes of 10th tergite triangular, tips of processes oriented to each other almost closing triangle- shaped space between them. Kenya, Mau Escarpment............................................ P. mauensis n. sp.

8 Inner branch of cercus very long and slender, twisted at tip. Kenya, Chyulu Hills.................... P. chyuluensis n. sp.

8´Inner branch of cercus shorter and stouter.................................................................. 9

9 Inner branch of cercus twisted at posterior end, inflated and/or laterally compressed before tip........................10

9´Inner branch of cercus not inflated/compressed before tip..................................................... 11

10 Inner branch of cercus strongly inflated, tip stout. Last abdominal tergite with u-shaped incision. Ethiopia..................................................................................................... P. latifrons Chopard

10´Inner branch of cercus not as strongly inflated, tip thin and acute. Tanzania, Ngorongoro Highlands..................................................................................................... P. ngorongoroensis n. sp.

11 Inner branch of cercus very short, little curved, in diameter round..............................................12

11´Inner branch of cercus very short, little curved slightly laterally compressed, tips twisted or not.......................13

12 Tip of inner branch of cercus thin, acute. Posterior margin of 10th abdominal tergite between processes angular incised. Space between processes of 10th abdominal tergite angular to roundish. Kenya, Aberdare Range................. P. limuru n. sp.

12´Tip of inner branch of cercus not thinner than rest of branch; Inner cercal branch comparatively stout and short and little curved; gap formed between processes of 10th abdominal tergite shaped like a house with straight lateral sides and a roof-like posterior margin formed by the 10th tergite. Ethiopia.......................................... P. brachiatus Uvarov

13 Tip of inner branch of cercus not twisted..................................................................14

13´Tip of inner branch of cercus twisted.....................................................................15

14 Tip of inner branch of cercus round and thick, suddenly narrowed shortly before apex; tip acute. Posterior margin of 10th abdominal tergite between processes u-shaped with median indentation. Tanzania, Manyara Escarpment....... P. nou n. sp.

14´Tip on inner branch of cercus not thick and suddenly narrow at apex; gap between processes rhombic.. P. laikipiaensis n. sp.

15 10th abdominal tergite without median depression. Lateral processes of 10th abdominal tergite thorn-like stout. Kenya, Mt Elgon................................................................................ P. elgonensis n. sp.

15´10th abdominal tergite with median depression............................................................. 16

16 Gap between processes of 10th abdominal tergite not rhombic shaped............................................17

16´Gap between processes of 10th abdominal tergite rhombic; very small body size. Posterior margin of subgenital almost straight. Tanzania, upper montane zone on Mt Kilimanjaro ........................................... P. kilimontanus n. sp.

17 Gap between processes of 10th abdominal tergite plate u-shaped or almost rectangular incised. Median depression on 10th abdominal tergite shallow. Kenya, area around Eldoret.......................................... P. timboroa n. sp.

17´Gap between processes of 10th abdominal tergite u-shaped but not rectangular. Median depression on 10th abdominal tergite deep. Tanzania, Mt Kitumbeine, Monduli Range, Mt Meru, Mt Kilimanjaro .................. P. merumontanus (Sjöstedt)

Figures

FIGURE 8. Semilateral view on male abdominal apex of P. githunguri n. sp. Arrow points at the in-rolled apices of the processes of the 10 th abdominal tergite.