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One New Genus and Seven New Species of Tetrigoidea from Southern Region of Guangxi

ZHENG Zhe-min1;JIANG Guo-fang2   

  1. 1.Institute of Zoology,Shaanxi Normal University,Xi'an 710062,China;2.Institute of Biology,Guangxi Academy of Science,Nanning 530003,China
  • Received:1900-01-01 Revised:1900-01-01 Online:2002-10-22 Published:2002-10-22

Abstract: In this paper,a new genus and seven new species of Tetrigoidea from the southern part of Guangxi are described.Type specimens are preserved in the Institute of Zoology,Shaanxi Normal University. 1 Zhengitettix transpicula sp.nov.(Figs.1-4) This new species is allied to Zhengitettix hainanensis Liang,but differs in:1) width of sulcus of frontal ridge as wide as the width of antenna basal segment;2)ocelli placed the middle of anterior margin of eyes;3)antennae situated between the inferior margin of eyes;4)posterior angles of lateral lobes of pronotum thorn shape,long and transverse;5)hind wing nearly reaching the top of hind tibia;6)body ochraeus red,with many yellowish spots;7)abdominal sterna black. ♀ length of body 8 mm,length of pronotum 11 mm,length of hind femur 6 mm. Holotype ♀,Fengcheng (Fulong),Guangxi,108°2′E,22°N,200-370 m,2-Ⅻ-2001,coll.JIANG Guo-fang. 2 Miriatroides gen.nov. Body size small.Head not elevated above the pronotum surface;vertex square,considerably protuberance before the eyes,anterior margin flat,lateral margins straight and parallel,midkeel distinct and slightly protruding before anterior margin,width of vertex as wide as the width of an eye;frons oblique,in profile with vertex forming an acute angle and protruding forward;longitudinal sulcus of frontal ridge very narrow,its width only half the width of antenna basal segment;antenna filiform,situated the lower one third of the anterior margin of eyes.Anterior margin of pronotum straight,hind process conical,slightly reaching beyond the top of hind femur;tip of posterior angles of lobes of pronotum truncate,hind margin with two concavities.Hind wing reaching the top of hind process.First segment of posterior tarsi equal to the third.Ovipositor long and narrow,upper and lower margins of upper valve parallel,its length 3.3 times the length of its width. Type species:Miriatroides quadrivertex sp.nov. This new genus is related to Rhopalotettix Hancock and Miriatra Bolivar,it differs from both by:1)vertex square;2)middle keel slightly projecting before anterior margin;3)width of interocular distance as wide as the width of an eye;4)antennae situated the lower one third of the anterior margin of eyes. 3 Miriatroides quadrivertex sp.nov.(Figs.5-8) ♀ length of body 9-10.5 mm,length of pronotum 8-10 mm,length of hind femur 6-6.5 mm. Holotype ♀,Fengcheng (Fulong),Guangxi,108°2′E,22°N,350-400 m,24-Ⅷ-1998;paratypes,2♀,Shangsi,Guangxi,108°1′E,22°N,21-Ⅷ-1998,coll.JIANG Guo-fang. 4 Hyboella longinota sp.nov.(Figs.9-11) This new species is allied to Hyboella angulifrons Hancock,but differs in:1)width of vertex 1.6 times the width of an eye;2)in profile,vertex and frons forming obtuse rounded;3)lateral keels in prozona long,nearly parallel;4)hind wing reaching beyond the top of hind femur;5)width of midfemur wider than the width of anterior femur. ♀ length of body 12 mm,length of pronotum 14 mm,length of hind femur 4 mm. Holotype ♀,Du an,Guangxi,108°1′E,24°1′N,350 m,12-Ⅶ-1999,coll.LIU Gan. 5 Hedotettix bivalvatus sp.nov.(Figs.12-14) This new species is related to Hedotettix grossus Hancock and Hedotettix gracillis (De Haan).It differs from both in:1)width of vertex narrower than the width of an eye about 1.5 times;2)lateral keels of prozona constrict backward;3)hind wing reaching the top of hind femur;4)width of midfemur as wide as the width of elytra;5)hind margin of subgenital plate of female two valves.It differs from the former by the disc of pronotum flat,and differs from the latter by the width of sulcus of frontal ridge as wide as the width of antenna coxa. ♀ length of body 10 mm,length of pronotum 12.2 mm,length of hind femur 6 mm;♂ length of body 9 mm,length of pronotum 12 mm,length of hind femur 6 mm. Holotype ♀,Fengcheng (Fulong),Guangxi,108°2′E,22°N,115 m,23-Ⅷ-1998,coll.JIANG Guo-fang;paratype,1♂,same as holotype. 6 Coptotettix fengchengensis sp.nov.(Figs.15-17) This new species is allied to Coptotettix conspersus Hancock,but differs in:1)dorsal view,vertex protuberance before the eyes;2)midkeel of pronotum distinctly whole length;3)hind wing not reaching the top of hind femur;4)lower margin of midfemur straight. ♀ length of body 11 mm,length of pronotum 11 mm,length of hind femur 7 mm. Holotype ♀,Fengcheng (Fulong),Guangxi,108°2′E,22°N,115 m,23-Ⅷ-1998,coll.JIANG Guo-fang. 7 Tetrix guinanensis sp.nov.(Figs.18-20) This new species is allied to Tetrix beibuwanensis Zheng et Jiang and Tetrix zhengi Jiang.It differs from both in:1)width of vertex narrower than the width of an eye;2)hind process reaching the knee of hind femur;3)hind wing not reaching the top of hind femur;4)width of midfemur narrower than the width of elytra (♀) and wider than the width of elytra (♂).It differs from the former by the hind margin of subgenital plate of female with a triangular process in the middle. ♂ length of body 7.5-8 mm,length of pronotum 6.5-8 mm,length of hind femur 6 mm;♀ length of body 9.5-10 mm,length of pronotum 7.5-9 mm,length of hind femur 5-6 mm. Holotype ♂,Longzhou,Guangxi,106°7′E,22°3′N,300-400 m,9-Ⅹ-1998;paratypes,3♂,2♀,as holotype;2♂,Fengcheng (Fulong),Guangxi,108°2′E,22°N,23-Ⅷ-1998,coll.JIANG Guo-fang. 8 Euparatettix sinufemoralis sp.nov.(Figs.21-23) This new species is related to Euparatettix bimaculatus Zheng,but differs in:1)in profile,anterior part of upper margin of pronotum wave like,and posterior part flat;2)the part of hind wing which reaching behind the top of hind femur about 1-1.5 mm;3)lower margin of midfemur wave like;4)width of midfemur as wide as the width of elytra. ♀ length of body 8-8.5 mm,length of pronotum 10-10.5 mm,length of hind femur 4.5-5 mm. Holotype ♀,Napo,Guangxi,115°7′E,23°2′N,1 250-1 300 m,15-Ⅷ-1998;paratypes,2♀,as holotype,1♀,Jinxiu,Guangxi,110°1′E,24°N,750 m,5-Ⅸ-1998,coll.JIANG Guo-fang.

CLC Number: 

  • Q969.26
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