Aalatettix

Abstract

Key to species in the genus <i>Aalatettix</i> <p>1 Width of vertex 2.0–2.8 times of an eye; apex of hind process of pronotum with a triangular concave..................... 2</p> <p>- Width of vertex 1.6–1.7 times of the width of an eye; apex of hind process of pronotum narrow rounded................ 4</p> <p> 2 Width of vertex 2.8 times of an eye; vertex and frontal ridge forming an obtuse rounded angle in profile; upper margin of pronotum arched before shoulders but undulated behind that; anterior margin of pronotum almost straight; hind process of pronotum reaching apex of hind femur; lower margin of mid femur undulated <i>... A. lativertex</i> Zheng</p> <p>- Width of vertex 2.0 times of an eye; vertex and frontal ridge forming a right or obtuse angle in profile; upper margin of pronotum straight or extremely arc-shape protuberant; anterior margin of pronotum obtuse protruded; hind process of pronotum reaching two-thirds or three-fourths of hind femur; lower margin of mid femur straight............... 3</p> <p> 3 Vertex and frontal ridge forming a right angle in profile; upper margin of pronotum almost straight; lateral keels of prozona parallel; with a pair of short longitudinal keels between shoulders................ <i>A. longipulvillus</i> Zheng & Mao</p> <p> - Vertex and frontal ridge forming blunt circle in profile; upper margin of pronotum extremely arc-shape protuberant; lateral keels of prozona contracted backward; without a pair of short longitudinal keels between shoulders............... <i>..................................................................................................................................... A. gibbosa</i> Zheng, Cao & Chen</p> <p>4 Upper margin of pronotum extremely arc-shape protuberant in profile; vertex and frontal ridge forming blunt circle or rounded in profile.....................................................................................................................................................5</p> <p>- Upper margin of pronotum almost straight or arched before shoulders but straight behind that in profile; vertex and frontal ridge forming blunt circle or rectangle in profile..............................................................................................6</p> <p> 5 Anterior margin of vertex arc-shape; frontal ridge slightly concave before lateral ocelli; antennae located between lower margin of eyes, 14 segmented, length of a segment in the middle 4 times as its width; hind process of pronotum reaching four-fifths of hind femur; three pulvilli of the first segment of hind tarsi gradually larger in turn; hind tibia black brown............................................................................................... <i>A. cangshanensis</i> Zheng, Lin & Zhang</p> <p> - Anterior margin of vertex straight; frontal ridge distinctly concave before lateral ocelli; antennae located below lower margin of eyes, 16 segmented, length of a segment in the middle 2.5 times as its width; hind process of pronotum reaching almost apex of hind femur; 3rd pulvillus of the first segment of hind tarsi extremely large, 1st pulvillus smaller, 2nd pulvillus extremely small; hind tibia black, with two light rings in the middle <i>..... A. nyalamensis</i> <b>sp. nov.</b></p> <p> 6 Vertex and frontal ridge forming a right angle in profile; longitudinal furrow of frontal ridge as wide as the first segment of antennae; upper margin of pronotum arched before shoulders but straight behind that in profile; hind process of pronotum reaching two-thirds of hind femur <i>...................................................... A. leshanensis</i> Zheng, Cao & Chen</p> <p> - Vertex and frontal ridge forming rounded in profile; longitudinal furrow of frontal ridge wider than the first segment of antennae; upper margin of pronotum almost straight in profile; hind process of pronotum reaching four-fifths of hind femu <i>................................................................................................................................ A. hupinshanensis</i> Zheng</p>Published as part of <i>Zheng, Zhemin & Lin, Liliang, 2015, A review of the genus Aalatettix with the description of a new species from China (Orthoptera: Tetrigidae), pp. 488-492 in Zootaxa 3986 (4)</i> on page 489, DOI: 10.11646/zootaxa.3986.4.8, <a href="http://zenodo.org/record/233828">http://zenodo.org/record/233828</a&gt