Symplanella Fennah 1987

Genus Symplanella Fennah, 1987 Symplanella Fennah, 1987: 244. Type species: Symplanella breviceps Fennah, 1987, by original designation. Diagnosis. Head short, with nearly square or elongate coryphe. Metope with median and sublateral carinae. Fore wings not narrowing, but widely rounded apically, with long clavus and a nodal line. Abdominal sternite II bearing apodemes (Figs 11, 22). Abdominal sternites IV–VI each with deep lateral furrows, apparently separating sternites and pleurites, not reaching its hind margins (Figs 17, 21, lf). Endogonocoxal lobes fused in shape of large sclerotization of different shape (Figs 13, 31, 32, GxL). Composition and distribution. Ten species distributed in China, Vietnam, Myanmar, and Thailand. Key to the subgenera and species of Symplanella 1. Metope narrow, twice longer than wide between eyes (Fig. 3). Pronotum with narrow medial part and strongly acutely angulated anterior margin (Fig. 1). Penis wide and flattened laterally, with short tubular apical part (Figs 7, 8). Style with long and narrow caudo-dorsal angle and long neck; capitulum bearing finger shaped process apically (Figs 9, 10). Symplanella s. str. ................................................................................... S. (S.) breviceps Fennah, 1987 - Metope wider, 1.5 times as long medially as wide between eyes (Fig. 16). Pronotum with wider medial part and less acutely angulated anterior margin (Fig. 14). Penis rather narrow, not flattened laterally. Style of another structure. Bambunella subgen. nov ................................................................................................. 2 2. Penis with two or four narrow and long or spine-shaped processes on the sides of aedeagal shaft....................... 3 - Penis without such processes............................................................................ 6 3. Coryphe slightly elongate (Chen et al. 2014, fig. 2-102: C)...................... S. (B.) hainanensis Yang et Chen, 2014 - Coryphe almost square................................................................................. 4 4. Aedeagal shaft S-shaped in lateral view; hind margins of male pygofer with horn-shaped processes below anal tube (Chen et al. 2014, fig. 2-101: I, M).......................................... S. (B.) brevicephala Chou, Yuan et Wang, 1994 - Aedeagal shaft not as above; hind margins of male pygofer with spine-shaped processes medially..................... 5 5. Penis with two long processes; male anal tube short (Chen et al. 2014, fig. 2-104: H, M, N)................................................................................................ S. (B.) unipuncta Zhang et Wang, 2009 - Penis with four short processes; male anal tube elongate (Chen et al. 2014, fig. 2-105: H, M, N)............................................................................................... S. (B.) zhongtua Yang et Chen, 2014 6. Male anal tube very short; penis strongly curved in lateral view (Gong et al. 2020, figs 23, 27)............................................................................................... S. (B.) nigricans Gong et Chen, 2020 - Male anal tube elongate; penis of another shape............................................................. 7 7. Penis without processes, aedeagal shaft S-shaped in lateral view, (Gnezdilov 2020, fig. 2)... S. (B.) yokdona Gnezdilov, 2020 - Penis of another shape................................................................................. 8 8. Penis with two large processes ventrally, aedeagal shaft strongly curved, U-shaped (Figs 27, 28)... S. (B.) cattiensis sp. nov. - Penis without such processes, aedeagal shaft weakly curved................................................... 9 9. Aedeagal shaft with a large medial horn-shaped process ventrally; apex of anal tube not curved (Gong et al. 2020, figs 9, 13, 14)........................................................................ S. (B.) fulva Gong et Chen, 2020 - Aedeagal shaft without process ventrally; apex of anal tube turned down (Chen et al. 2014, fig. 2-103: I)........................................................................................ S. (B.) recurvata Yang et Chen, 2014