Review of the subgenus Scatella Robineau­Desvoidy, 1830 from China (Diptera: Ephydridae) Author Yang, Junhua Zhang Ding text Zootaxa 2005 931 1 11 journal article 51044 10.5281/zenodo.171138 b7449ad3-b0a1-4dc7-a77d-2447d4f21e10 1175­5326 171138 Key to the species of the subgenus Scatella from China 1. First costal section greatly thickened in male ( Fig. 1 ) ........ Scatella bullacosta Cresson ­ First costal section without thickened in male .............................................................. 2 2. Cercus rather long, thick at base and slender at tip; surstylus with a distinct inner incision at tip in posterior view ( Fig. 12 ); gonite wide at base ............................................. ............................................................................................ Scatella henanensis sp. nov. ­ Cercus thick and short; surstylus without inner incision at tip in posterior view; gonite narrow at base................................................................................................................ 3 3. Wing dark brown with five distinct hyaline spots, spots located cell R4+5 near tip of wing like the body of a violin; veins near spots bent ( Fig. 30 ) ...................................... ................................................................................................ Scatella tenuicosta Collin ­ Wing lighter brown with five faint hyaline spots, spots located cell R4+5 near tip of wing oval; veins near spots not bent ............................................................................ 4 4. Spots located cell R2+3 square; phallapodeme slender; S7 divided into two small sclerites in femal ( Fig. 29 ) ........................................................... Scatella stagnalis (Fallén) ­ Spots located cell R2+3 rounded; phallapodeme moderately long; S7 complete in female ................................................................................................. Scatella lutosa (Haliday)