寄螨属1新种和革索螨属1新种（蜱螨亚纲：中气门目：寄螨科）  

A new species of the genus Parasitus and a new species of the genus Gamasodes （Acari： Mesostigmata： Parasitidae）

作　　者：马立名[1] 白学礼[2] 

机构地区：[1]中国鼠疫布氏菌病预防控制基地,吉林省白城市137000 [2]宁夏回族自治区疾病预防控制中心,银川市750004

出　　处：《蛛形学报》2012年第2期76-82,共7页Acta Arachnologica Sinica

摘　　要：记述寄螨属1新种：简单寄螨Parasitussimplendogyniisp．nov．和革索螨属1新种：泾源革索螨Gamasodesjingyuanensissp．nov．A new species of the genus Parasitus and a new species of the genus Gamasodes are described in the present paper. Type specimens are deposited in the Entomology Gallery, Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing. 1 Parasitus simplendogynii sp. nov. （Figs. 1-3） Female. Length ofidiosoma 914-946 （av. 928） p,m, Width 516-538 （av. 527） p,m. Anterior dorsal shield with 22 pairs of setae, D1, D3 and M2 long and pilose, M2 the longest, remaining setae short and simple, ET1 and ET2 minute. Posterior dorsal shield with more than 20 pairs of setae, pilose or simple. Presternal shields 1 pair, small, situated at out of tritosternal base. St1 bifurcate, inserting on a pair of small sclerites; St2, St3 and 2 pairs of pores on sternal shield. MSt and the 3rd pair of pores on metastemal shields. Genital shield with 1 pair of setae. Interior tine of metasternal shields short and narrow, endogynium simple, shown in Fig. 1B. Ventro-anal shield with 10 pairs of ventral setae and 3 perianal setae, of which 3 pairs of ventral setae pilose. Ad situated at level of posterior margin of anus, subequal to anus in length, PA longer than anus, pilose. Peritreme reaching to posterior part of coxa I anteriorly. Tectum 3 pronged, medial prong longer. Movable digit of chela tridentate, fixed digit with several denticles. Seta al of palpfemur bifurcate, al~ and a12 of palpgenu entire. Legs setae simple. Tarsus II-IV with 4 apical spines respectively. Male. Length ofidiosoma 828 - 849 （av. 839） txm, width 441 - 452 （av. 446） Ixm. Anterior dorsal shield with 22 pairs of setae, posterior dorsal shield with about 26 pairs of setae, dorsal setae as in female. Presternal shields 1 pair, triangular. Holoventral shield with 3 pairs of sternal setae, 1 pair of metasternal setae, 1 pair of genital setae, about 20 pairs of ventral setae, 3 perianal setae and 3 pairs of pores, of which 3 pairs of ventral setae and PA pilose. Tectum 3 pronged, medial prong far longer than lateral ones. Mov

关 键 词：蜱螨亚纲 中气门目 寄螨科 寄螨属 革索螨属 新种 

分 类 号：Q969.91[生物学—昆虫学]