摘要
记述采自广西北部蚱总科昆虫7新种,即黑股羊角蚱Criotettix nigrifemurus, sp. nov., 横刺羊角蚱Criotettix transpinius, sp. nov., 拟圆头波蚱Bolivaritettix circocephalosoides, sp. nov., 宜州蚱Tetrix yizhouensis, sp. nov., 丘背蚱Tetrix cliva, sp. nov., 白条悠背蚱Euparatettix albostriatus, sp. nov. 及九万山悠背蚱Euparatettix jiuwanshanensis, sp. nov.。模式标本保存于陕西师范大学动物研究所昆虫标本室。
In this paper, 7 new species of Tetrigoidea from Northern part of Guangxi are described. Type specimens are deposited in the Institute of Zoology, Shaanxi Normal University. 1. Criotettix nigrifemurus, sp. nov. (Figs. 1~3) This new species is allied to Criotettix damingshanensis Zheng et Jiang, but differs in: 1) in profile, vertex and frontal ridge forming a rounded sharp; 2) antennae inserted between the lower margin of eyes; 3) width of midfemur narrower than the width of elytra; 4) anterior margin of pronotum slightly concave in the middle; 5) the part of hind wing overstepping hind process about 1.2 mm; 6) length of subgenital plate of female nearly equal to the width, lateral margins slightly convex. Length of body: ♀10.5mm; length of pronotum: ♀12.0 mm; length of hind femur: ♀7.0 mm. Holotype: ♀, Yizhou City, Guangxi Zhuangzu Autonomous Region, 24 5′N, 108 6′E, Ⅵ-2003, collected by DENG Wei-an. 2. Criotettix transpinius, sp. nov. (Figs. 4~6) This new species is related to Criotettix longipennis Liang, but differs in: 1) width of vertex 1.66 times the width of an eye; 2) the part of hind process exceeding the top of hind femur about 5 mm; 3) the part of hind wing exceeding the top of hind process about 0.5 mm; 4) disc of pronotum with densely short longitudinal keels and tubercles; 5) without a pair of short longitudinal keels between shoulders; 6) three pulvilli nearly the same length. Length of body: ♀13.0~13.5 mm; length of pronotum: ♀16.0~17.0 mm; length of hind femur: ♀8.5~9.0 mm. Holotype: ♀, Hechi City, Guangxi Zhuangzu Autonomous Region, 24 6′N, 108 E, Ⅷ-2003, collected by DENG Wei-an; Paratypes: 2♀♀, same as th holotype. 3. Bolivaritettix circocephalosoides, sp. nov. (Figs. 7~8) This new species is allied to Bolivaritettis circocephalus Zheng, but differs in: 1) width of vertex 1.4 times the width of an eye, the lateral margins of vertex parallel; 2) antennae inserted in the lower one third of anterior margin of eyes; 3) midkeel of pronotum interrupted; 4) lateral keels of prozona indistinct; 5) without a pair of short longitudinal keels between shoulders; 6) hind process only reaching two thirds of hind femur; 7) hind wing only reaching the base of anal pate. Length of body: ♂7.0 mm; length of pronotum: ♂6.0 mm; length of hind femur: ♂6 .0 mm. Holotype: ♂, Hechi City, Guangxi Zhuangzu Autonomous Region, 24 6′N, 108 E, Ⅷ-2003, collected by DENG Wei-an. 4. Tetrix yizhouensis, sp. nov. (Figs. 9~10) This new species is related to Tetrix xinganensis Zheng et Zhou, but differs in: 1) width of vertex as wide as the width of an eye; 2) frontal ridge concave before eyes; 3) without a pair of short longitudinal keels between shoulders; 4) hind wing not reaching the top of hind process; 5) hind tibia without two black bands. Length of body: ♂8.0~8.3 mm; length of pronotum: ♂9.0~9.5 mm; length of hind femur:♂6.0~6.5 mm. Holotype: ♂, Yizhou City, Guangxi Zhuangzu Autonomous Region, 24 5′N, 108 6′E, Ⅵ-2003, collected by DENG Wei-an; Paratype: 1♂, same as the holotype. 5. Tetrix cliva, sp. nov. (Figs. 11~12) This new species is allied to Tetrix ruyuanensis Liang, but differs in: 1) width of vertex as wide as the width of an eye; 2) anterior margin of pronotum slightly concave; 3) in profile, upper margin of pronotum with a triangular process before shoulders; 4) hind tibia with two black transverse bands. Length of body: ♂7.0~7.2 mm; length of pronotum: ♂7.0~7.5 mm; length of hind femur: ♂5.0~5.5 mm. Holotyp: ♂, Luocheng County, Guangxi Zhuangzu Autonomous Region, 24 8′N, 108 9′E, Ⅳ-2003, collected by DENG Wei-an; Paratypes: 2♂, same as the holotype. 6. Euparatettix albostriatus, sp. nov. (Figs. 13~15) This new species is allied to Euparatettix jingdongensis Zheng et Ou, but differs in: 1) in profile, vertex and frontal ridge forming a rounded sharp; 2) width of sulcus of frontal ridge narrower than the width of first antenna segment; 3) in profile, anterior part of upper margin of pronotum waved; 4) lower margin of midfemur straight; 5) width of midfemur as wide as the width of
关键词
直翅目
蚱总科
新种
广西
Orthoptera
Tetrigoidea
new species
Guangxi
