辽宁省蝗虫的初步调查

A PRELIMINARY SURVEY OF GRASSHOPPERS FROM LIAONING PROVINCE (ORTHOPTERA)

本文记录采自辽宁省千山及老秃顶山地区蝗总科及蚱总科蝗虫40种,分属于7科31属,其中32种为辽宁省新纪录,并有2新属5新种及Ⅰ种国内新纪录.本文记述其中的1新属3新种,即辽蝗属Liaoacris新属,黄翅辽蝗Liaoacrisochropteris新种,红翅安秃蝗Anapodisma rufupenna新种,辽宁雏蝗Chorthip-pus liaoningensis新种.

This paper deals with 40 species of Acridoidea and Tetrigoidea belonging to 7 families and 31 genera. Among them 32 species are found to be first record in Liaoning and 2 genera, 5 species are described as new to science. Descriptions of 1 new genus and 3 new species are given below. Types are deposited in the department of Biology, Shanxi Normal University. Liaoacris Zheng, gen. nov. Type species: Liaoacrid ochropteris Zheng, sp.nov. The new genus is allied to Ognevia Ikonn. and Eirenephilus Ikonn. , it differs from Ognevia by the vertical diameter of eyes in male larger than subocular suture about 1.4-1.5 times and in female as long as or slightly larger than latter; prozona shorter, slightly larger than matazona (about 1.07 times); the length of cercus of male larger than its width about 2.5 times. It differs from Eirenephilus by the vertical diameter of eyes in male larger than subocular suture about 1.4-1.5 times; hind femur with short lower knee-lobe, the lower margin stright, top slightly elongated; the length of cercus of male larger than its width about 2.5 times and in female 2 times. Liaoacris ochropteris Zheng, sp. nov. (figs. 1-4) Length of body. 21-24, 28-32mm. Length of pronotum: 5, 7 -7.5mm. Length of elytra: 18, 21-23.5mm. Length of hind femur: 12-12.5, 14-17mm. Holotype , Liaoning: Qinshan. Ⅷ. 1963; allotype , Liaoning: Qins-han 21. Ⅵ.1962, Zhang Zhi-Liang; paratypes, 1 ; 1 Liaoning: Qinshan, Ⅷ. 1963; 1 , 21. . 1962; 1 , 1 Liaoning: Huanren (Laotudi-ug), 600-800 m. 4.Ⅶ. 1985, Liu Zhen-Lu. Anapodisma rufupenna Zheng, sp. nov. (figs. 5-7) This new species -allied to Anapodisma miramae Dov.-Zap., but differs by the elytra of female longer, reaching the tympanum; the length of elytra of female larger than its width about 2.4 times; size larger. Male unknown. Length of body. 28-30mm; length of pronotum: 6-6.5mm;length of elytra: 3.5-4mm; length of hind femur: 14-15mm. Holotype , paratype , Liaoning: Huanren (Laotuding) , 600-800m. 17. Ⅷ. 1987, Liu Zhen-Lu. Chorthippus liaoningensis Zheng, sp.nov. (figs. 8- 9 ) This new species closely related to Chorthippus fuscipennis (Cand.) , but the costal area of elytra wider than subcostal area about 3 times in male; medial and cubital area of elytra with undeveloped intercalary vein and costal area with a white longitudinal stripe in female; hind femur with 145 stridulatory pegs in male. Length of body: 19-19.5, 21.5mm. Length of pronotum: 3.5-4, 4.5mm. Length of dlytra: 16-17, 19.5mm. Length of hind femur: 11-12, 13mm. Holotype , allotype , paratypes 2 ,Liaoning: Huanren(Laotud-ing) , 600m. 13-14. Ⅷ. 1987, Liu Zhen-Lu.