A taxonomic study of the genus Longchuanacris Zheng et Fu (Orthoptera: Acrididae: Catantopinae), with descriptions of two new species from Yunnan, China Author Mao, Ben-Yong Author Niu, Yao Author Ou, Xiao-Hong Author Zheng, Zhe-Min Author Scott, Matthew B. text Zootaxa 2011 3118 51 61 journal article 10.5281/zenodo.206517 f462ecd6-c69b-44b5-9c13-bba4e039a336 1175-5326 206517 Key to the male of species of Longchuanacris 1 Furculae with apex broadly rounded or roughly flat, width near apex broader than or equal to that at base................ 2 - Furculae with apex acute, width near apex distinctly narrower than that at base..................................... 3 2 Hind femora yellowish green with an orange-red ring before knee; furculae with apical margin smooth...... L. macrofurcula - Hind femora greenish yellow without any colour ring before knee; furculae with preapical-inner angle forward curved as a styliform projection ( Figs. 1–2 )............................................................ L. lobata , sp. nov. 3 Furculae with width between outer margins at base narrower than or nearly equal to half width of supra-anal plate ( Fig. 7 ).. 4 - Furculae with width between outer margins at base somewhat broader than or nearly equal to width of supra-anal plate..... 5 4 Hind femora with a broad, red ring before knee..................................................... L. bidentata - Hind femora without any colour ring before knee ( Figs. 15–16 ).............................. L. microfurcula , sp. nov. 5 Furculae entirely upright, triangular, apex caudally directed............................................. L. virida - Furculae with basal half transverse and upright, apical half cephalically directed......................... L. curvifurcula