尾卵螨属在中国的发现并记述一新种(蜱螨亚纲:尾足螨股)

Discovery of the Genus Uroobovella in China with Description of a New Species (Acari:Uropodina)

记述尾卵螨属1新种:安氏尾卵螨 Uroobouella anwenjui sp.nov.,该属在中国为新纪录。模式标本存于全国鼠疫布氏菌病防治基地,吉林省白城市。

Uroobovella anwenjui sp. nov. (figs. 1-9) . Length and width,holotype 586×471μm,paratype 666×517μm. Dorsum and venter covered with pits, tubercles and spots. Dorsal and marginal setae short and simple. Base of tritosternum calabash-shaped, laciniae 6-branched. Genital shield with arch-like anterior margin and broader membrane arranged denticles along its margin. Venter bearing 4 pairs of sternal setae, 6 pairs of ventral setae and 5 perianal setae. Stigma with a circular projection interiorly, peritreme curved into right angle. Leg groove distinct. Tectum long and narrow, its lateral margins with spines. Fixed digit of chela longer than movable digit. Gnathosomal setae and palptrochanteral setae shown in figs. 7 and 8. Tarsus I with a long seta distally. The new species is similar to Uroobovella carinata(Berlese, 1888),but in the new species marginal shield without free platelet, marginal setae longer, peritreme with right-angled curves;in the latter species marginal shield with two square platelets at posterior part, marginal setae short, peritreme with U-like curve. Holotype ,paratype 1 , from forest soil, in Dunhua County (43°21' N, 128°13' E),Jilin Province, Aug. 1990. Type specimens are deposited in the National Base of Plague and Brucellosis Control, Baicheng City,Jilin Province,P. R. China. The new species is named in Prof. AN Wen-Ju, the late plague specialist in China.