山西省异爪蝗属二新种(直翅目:网翅蝗科)  

TWO NEW SPECIES OF EUCHORTHIPPUS TARB.FROM SHANXI PROVINCE(ORTHOPTERA:ACRYPTERIDAE)

作　　者：郑哲民[1] 王向荣[2] 

机构地区：[1]陕西师范大学动物研究所,西安710062 [2]山西省农牧厅

出　　处：《四川动物》1993年第2期4-7,共4页Sichuan Journal of Zoology

摘　　要：本文记述在晋南地区采到的异爪蝗属二新种,黑条异爪蝗Euchorthippus nigiliineatus sp.nov.及曲线异爪蝗Eochorthippus sinucarinatus sp.nov.The paper reports two new species of grasshopper from Shanxi Province. Type specimens are deposited in Institute of Zoology, Shaanxi Normal University.Euchorthippus nigrilineatus sp. nov. (Figs. 1—5)This new species similar to Euchorthippus pulvinatus (F. -W.) and Eu. yungningensis Zheng et Chiu. It differs from both in:1) Subgenital plate of male short and stout, its length longer than width about 1.4 times, 2) Knee black, top of lower kneelope yellow. It differs from the former in:1) Frontal ridge with longitudinal sulcus whole length; 2) Interspace of mesosternal lobes of female, the maximum width larger than its minimum width about 2 times. It differs from the latter in: 1) Length of longitudinal diameter of eye longer than subocular sulcus about 2 times; 2) Lateral keels of prozone of pronotum straight, parallel; 3) Elytra reaching the top of hind femur.Length of body: (?)16mm, ♀20mm. Length of elytra: (?)12mm, ♀15mm. Length of hind femur: (?)10mm, ♀12mm.Holotype ♀, allotype (?), Shanxi: Yongji, 110°5′E. 34°8′N, 700—1000m. 13, Sept. 1991, collected by Wang Xiangrong.Euchorthippus sinucarinatus sp. nov. (Figs. 6—8)This new species is allied to Euchorthippus yungningensis Zheng et Chiu, but differs in: 1) Only precostal area and costal area with intercalary vein; 2) width of median area larger than cubital area about 1.3 times; 3) Elytra only reaching the knee of hind femur; 4) Interspace of mesosternal lobes of female, the maximum width about 1.6 times its minimum width; 5) Knee black, top of lower kneelope yellow.Length of body: (?)15.5mm, ♀19mm. Length of elytra: (?)11.5mm, ♀15.5mm. Length of hind femur: (?)9.5mm, ♀12.5mm.Holotype ♀, allotype (?), Shanxi: Ruicheng, 110°7′E, 34°6′N, 12, Sept. 1991, collected by Wang Xiangrong.

关 键 词：网翅蝗科 异爪蝗属 新种 直翅目 

分 类 号：Q969.265.1[生物学—昆虫学]