中国美绥螨属1新种和大陆1新记录（蜱螨亚纲：中气门目：美绥螨科）  

A new species and a new record of the genus Ameroseius from Mainland, China （Acari： Mesostigmata： Ameroseiidae）

作　　者：马立名[1] 林坚贞[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]福建省农业科学院植物保护研究所,福州市350013

出　　处：《蛛形学报》2013年第2期82-85,共4页Acta Arachnologica Sinica

摘　　要：记述中国美绥螨属1新种：拟筐美绥螨Ameroseius imitocorbiculus sp．nov．和大陆1新记录：越南美绥螨Ameroseius vietnamensis Micherdzinski，1955。A new species and a new record of the genus Ameroseius from Mainland, China are described in the present paper. 1 Ameroseius imitocorbiculus sp. nov. （Fig.l） Female. Length ofidiosoma 360 μm, width 225 μm. Dorsal shield covering whole dorsum and extending to ventral margin, with strongly sclerotized ornamentation formed of reticulated design. Dorsal setae 29 （or 28） pairs, all pilose; F1 short and stout, with longer villi; M2, M10 and M11 stout, blunt distally, with longer villi; remaining setae slender, sharp distally, with minute villi. Sternal shield with 2 pairs of setae, Sh situated on a pair of free small shields. MSt on cuticle behind the shields. Genital shield with 1 pair of setae. Ventro-anal shield horizontally oval, with 3 perianal setae. Metapodal shields 1 pair. With 4 pairs of setae lying on cuticle between genital and ventro-anal shields. Post-ventral setae longer than other ventral setae. Tectum triangular. Chela short. Corniculi narrow, furcated distally. The new species very similar to Ameroseius corbiculus （Sowerby, 1806）, but in the new species dorsal setae M2, M10 and MH stout, blunt distally, villi longer; however in the latter species all dorsal setae slender, sharp distally, villi minute. Holotype♀, ex tree, from Changli（39°04＇ N, 119°15＇ E）, Hebei Province, 20 July 2012. Type specimen is deposided in the Institute of Plant Protection, Fujian Academy of Agricultural Science, Fuzhou. Name of the new species from ＂imito-＂ （imitate） and ＂corbiculus＂ （name of allied species）. 2 Ameroseius vietnamensis Mieherdzinski, 1965 （Fig. 2） New record from Mainland of China. Female. Length of idiosoma 356-386 （av. 373） μm, width 225-263 （av. 244） μm. Dorsal shield covering entire dorsum and extending to ventral margin, strongly ornamented, with 29 pairs of setae, of which 3 pairs of setae very long and stout, club-shaped, bearing minute spines, F1 broad and flat, with barbed margins, remaining setae smooth. Sternal shield inserted 2 pairs of

关 键 词：蜱螨亚纲 中气门目 美绥螨科 美绥螨属 新种 

分 类 号：Q969.91[生物学—昆虫学]