A taxonomic review of Longchuanacris Zheng et Fu (Orthoptera: Acrididae: Catantopinae), with descriptions of two new species from Yunnan, China Author Mao, Ben-Yong Author Ren, Guo-Dong Author Ou, Xiao-Hong text Zootaxa 2007 1467 51 62 journal article 10.5281/zenodo.176617 fda05e21-3bb4-4b96-8fa9-e00273f96325 1175-5326 176617 Key to the male of species of Longchuanacris 1 Hind femora with a orange or red ring before knee......................................................................................2 - Hind femora without any color ring before knee..........................................................................................4 2 Hind femora with a broad, red ring before knee. Furculae with basal half upright, apical half frontad curv- ing (figs 3–4); cerci triangular, compressed, apex incurve and obliquely truncated, with upper angle sharp and lower angle obtuse (figs 3–4) ........................................................................................... L. bidentatus - Hind femora with a narrow, orange ring before knee. Furculae entirely upright (figs 26–28)....................3 3 Cerci with apex acute........................................................................................................ L. macrofurculus - Cerci with apex bilobate, dorsal branch longer than ventral branch (figs 26–28)...... L. bilobatus , sp. nov. 4 Furculae entirely upright, triangular; supra-anal plate broadly scutate; apex of cerci obliquely truncated, with upper angle acute and lower angle obtuse (figs 13–14) ...................................................... L. viridus - Furculae with basal half transverse and upright, apical half triangular and forward curving; supra-anal plate semicircular, cerci with apex nearly bilobate (figs 40–41)......................... L. curvifurculus , sp. nov.