维螨属二新种(蜱螨亚纲 ,中气门目,维螨科)  

TWO NEW SPECIES OF THE GENUS VEIGAIA OUDEMANS(ACARI, MESOSTIGMATA,VEIGAIAIDAE)

作　　者：马立名 林坚贞[2] 

机构地区：[1]全国鼠疫布氏菌病防治基地,吉林白城137000 [2]福建省农业科学院植保研究所,福州350013

出　　处：《动物分类学报》2004年第4期711-717,共7页Acta Zootaxonomica Sinica

摘　　要：记述维螨属VeigaiaOudemans 2新种 :蒿县维螨V .songxianensissp.nov .和前凹维螨V .praeconcavasp .nov.。The present paper describes two new species of the genus Veigaia Oudemans.All type specimens are deposited in the Institute of Plant Protection,Fujian Academy of Agricultural Science,Fuzhou,Fujian,China.1 Veigaia songxianensis sp.nov.(Figs.1-16) ♀.Length 597μm,width 460μm.Dorsal shield covered whole dorsum,with deep lateral incisions.Anterior region bearing 22 pairs of simple setae,M 3 on the shield,F 1,D 1,D 3 and M 2 long and stout,F 2,T 2,ET 1,ET 2,M 1 and M 3 minute.Posterior region bearing 21 pairs of simple setae,length of setae not reaching alveoli of next setae.Presternal shields 2 pairs,anterior one drop-like,posterior one narrow.Sternal shield with 3 pairs of setae and 2 pairs of pores.Metasternal setae and the 3rd pair of pores on metasternal shields.Genital shield setae 2 pairs.Ventral shield with 4 pairs of setae,genito-ventral intermediate setae situated at antero-internal margins of ventral shield.Punctiform organ with 5-6 pits arranged in a row,punctiform organ setae situated at interior margin of punctiform organ.Ventro-anal intermediate setae situated on cuticle between ventral and anal shields,mutual distance longer than that between setae at posterior margin of ventral shield.Peritrematal shield free posteriorly,peritreme reaching base of F 1 anteriorly,parastigmal seta situated on cuticle behind stigma.Medial prong of tectum with apical denticles,lateral prongs wing-shaped.Chela slender.A distal long seta on tibia Ⅳ pilose. The new species is similar to V.uncata Farrier,1957,but differs from the latter in ventral shield with one pair of short setae lateral region,genito-ventral intermediate setae situated at antero-internal margins of ventral shield,and medial prong of tectum expanded apically(in the latter species ventral shield with 2 pairs of short setae on lateral region,genito-ventral intermediate setae on cuticle between genital and ventral shields,medial prong of tectum bifurcate). Holotype ♀,paratypes 2 deutonymphs and 1 protonymph,in litter.Holotype from Mt.Ba

关 键 词：蜱螨亚纲 记述 新种 气门 

分 类 号：Q969[生物学—昆虫学]