摘要
记述采自广西壮族自治区龙州地区蚱总科昆虫 3新种 ,即黑胫拟后蚱 Pseude-pitettix nigritibis,sp.nov.、龙州羊角蚱 Criotettix longzhouensis,sp.nov.及红背悠背蚱 Euparatettix erythronotus,sp.nov.。模式标本存陕西师范大学动物研究所。
In this present paper, three new species of Tetrigoidea are described. Type specimens are deposited in the Institute of Zoology, Shaanxi Normal University. The unit of measurements is in millimeter. 1. Pseudepitettix nigritibis, sp. nov. (Figs.1～4) This new species is allied to Pseudepitettix guibeiensis Zheng et Jiang 1995, but differs in: 1) in profile, frontal ridge and vertex forming a rounded shape; 2) pronotum dorsum tectiform, median keel high, in profile, upper margin of pronotum arc; 3) with numerous small tubercles and net shape on the disc of pronotum; 4) with a pair of short longitudinal keels between the shoulders; 5) lower margin of hind process curved; 6) lower margins of fore and middle femora undulated; 7) hind tibia black, with two light rings on the tibia. Length of body: ♂6～7,♀8～9. Length of pronotum: ♂5.5～6,♀6～7. Length of hind femur: ♂4,♀5～6. Holotype♀, paratypes 2♂♂,3♀♀,Guangxi: Longzhou (Longhu),300 m～400 m, 106°7′E, 22°5′N, 9-Ⅹ-1998, collected by Jiang Guofan. 2. Criotettix longzhouensis, sp. nov. (Figs.5～7) This new species is allied to Criotettix brachynotus Zheng et Jiang 1994 and Criotettix damingshanensis Zheng et Jiang 1998. It differs from both in: 1) hind process of pronotum not reaching the top of hind femur; 2) hind wing only reaching three fourths of pronotum. It differs from the former in: 1) width of vertex as wide as an eye; 2) with numerous dense small tubercles on the disc of pronotum. It differs from the latter by the antennae inserted between the lower margins of eyes. Length of body: ♂8～9,♀11～11.5. Length of pronotum: ♂7～8,♀8.5～10. Length of hind femur: ♂5.5～6,♀6.5～7. Holotype ♀, Guangxi: Longzhou, 400 m～450 m, 106°8′E, 22°3′N, 10-Ⅹ-1998, collected by Jiang Guofan; paratypes 1♀,as the holotype,2♂♂, Guangxi: Jinxiu, 1200m,110°2′E, 24°2′N, 1-Ⅸ-1998, collected by Jiang Guofan. 3. Euparatettix erythronotus, sp. nov. (Figs.8～9) This new species is related to Euparatettix variabilis (Bolivar 1887), but differs by the prozona of pronotum black, the rest part red brown. Length of body: ♂6.5～7, ♀10～10.2. Length of pronotum: ♂9.5, ♀11.5. Length of hind femur: ♂4.5～5, ♀6～6.5. Holotype ♀, paratypes 2♂♂, l♀, Guangxi: Longzhou (Longhu), 300 m～400 m, 106°7′E, 22°5′N, 9-Ⅹ-1998, collected by Jiang Guofan.
