中国下盾螨属1新种和伪寄螨属1新记录（蜱螨亚纲：中气门目：厉螨科）  

A new species of the genus Hypoaspis and a new record of the genus Pseudoparasitus from China （Acari： Mesostigmata： Laelapidae）

作　　者：马立名[1] 林坚贞[2] 代万安[3] MA Li-Ming1, LIN Jian-Zhen2 , DAI Wan-An3(1. Chinese Base for Control and Prevention of Plague and Brucellosis, Baicheng City, Jilin Province 137000, P. R. China ; 2. Institute of Plant Protection, Fujian Academy of Agricultural Science, Fuzhou 350013, P. R. China ; 3. Institute of Vegetable, Tibet Academy of Agricultural and Animal Husbandry, Lhaha City 850032, P. R. Chin)

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]福建省农业科学院植物保护研究所,福州350013 [3]西藏自治区农牧科学院蔬菜研究所,拉萨850032

出　　处：《蛛形学报》2018年第1期22-26,共5页Acta Arachnologica Sinica

摘　　要：记述下盾螨属1新种，膨腹下盾螨Hypoaspis expaventralis sp．nov．和伪寄螨属中国1新记录，中心伪寄螨Pseudoparasitus centralis Berlese，1921．A new species of the genus Hypoaspis and a new record of the genus Pseudoparasitus from China are described in the present paper.1 Hypoaspis expaventralis sp. nov. （Figs. 1, 2） Female. Length of idiosoma 591 lxm, width 409 Ixm. Dorsal shield covers entire dorsum and slightly extending to venter, dorsal setae short, thin, simple. Presternal shields 1 pair, wedge-shaped. Sternal shield with 3 pairs of setae. Metasternal setae situated on endopodal shields. Genito-ventral shield distinctly expanded posteriorly, reticulated, with 1 pair of setae. Anal shield triangular, with 3 perianal setae, Ad situated before level of middle of anus, both Ad and PA slightly longer than anus. Metapodal shields 1 pair, club-shaped. Peritreme reaching to middle of coxa I anteriorly. Ventral cuticle setae more than 10 pairs. Chela longer, movable digit bidentate, fixed digit with several small denticles. Legs setae needle-shaped. Male. Length of idiosoma 398 μm, width 269 μm. Holoventral shield with 3 pairs of sternal setae, 1 pair ofmetasternal setae, 1 pair of genital setae, 4 pairs of ventral setae and 3 perianal setae. Ventral cuticle setae 2 pairs. Spermatodactyl of chela narrow, exceeds movable digit distally. Remains characters as in female. The new species is near to Hypoaspis digitalis Teng, 1981, but the new species with presternal shields, genito-ventral shield with 1 pair of setae, metapodal shields short; however the latter without presternal shield, genito-ventral shield with 3 pairs of setae, metapodal shields longer. Holotype ♀, paratype 1 ♂, ex moss, from Yadong County （27° 30′ N, 88° 56′ E）, Xizang Autonomous Region, 8 Sep. 2016. Type specimens are deposited in the Institute of Plant Protection, Fujian Academy of Agricultural Science, Fuzhou. Name of the new species from ＂expa-＂ （expand） and ＂ventralis＂ （ventral shield）. 2 Pseudoparasitus centralis Berlese, 1921 （Fig. 3） New record from China. Female. Length of idiosoma 591 μm, width 441 μm. Dorsal shield covering entire d

关 键 词：蜱螨亚纲 中气门目 厉螨科 下盾螨属 伪寄螨属 新种 

分 类 号：Q969.91[生物学—昆虫学]