【摘要】 <正> 赫刺螨属(Hirstionyssus Fonseca,1948)为巨刺螨科(Macronyssidae)中的一个属。我国已知的赫刺螨共24种(邓国藩、潘錝文,1963;徐启丰、马安石,1964;刘政忠,1964;郑智良、殷绥公、张家祺,1965)。著者在过去收集的赫刺螨标本中,发现一种与外伊犁赫刺螨(Hirstionyssus transiliensis Bregetova)相近似的种类,定为该种赫刺螨的一个新亚种。现将其形态特征描述如下:更多还原

【Abstract】 Hirstionyssus transiliensis neimongkuensis, subsp. nov. Female （Figs. 1-3）: Idiosoma oval; length 520-580μ, width 350-360μ. Dorsalplate 490-540μ long and 280-300μ wide; anterior margin broadly rounded withshouldered appearance, lateral margin roughly straight, postero-lateral margin narrowingposteriorly to a rounded tip; bearing 23 pairs of setae, of which F₃, V, T₁, Sc, S_1-2, M₁₁are longer than the others. Unsclerotized portion of dorsum with about 24 pairs of setae. Sternal plate 38μ long （at mid-line）, 122μ wide （at the narrowest portion）; anter-ior margin slightly convex, posterior margin moderately concave; with 3 pairs of subequalsetae （38μ long）. Genitoventral plate tongue-like, very slightly expanded below genitoventra pair ofsetae and narrowed posteriorly to a broadly rounded tip. Anal plate piriform, 107μ long and 75μ wide; with 3 subequal setae, paired setaemiddle of anus, and a postanal seta situated near anterior margin of the cribrum. Stigma situated at the level between coxae Ⅲ and Ⅳ, peritreme extending anterior-ly to the middle of coxa Ⅰ. Unsclerotized portion of venter behind coxae Ⅳ, bearing about20 pairs of setae, of which a larger pair is situated opposite the posterior tip of theanus. Coxae with spurs as: 0-1-2-1. On the ventral side of tarsus Ⅱ with a pair of claw-like modified setae subapically. Holotype （?） and paratypes （18 ? ?） collected from the body of Citellusdauricus Brandt, in Inner Mongolia, China. All the type specimens are deposited in theDepartment of Parasitology, Inner Mongolia Medical College.更多还原