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1981年在长春南湖采得直隶环毛蚓17条,在辽宁省开源采得标本39条。本种在华北及长江以南有报告,但东北地区未见报导。直隶环毛蚓一、特征描述口前叶1/2上叶式。背孔自节间始。体长195～330毫米直径7～9毫米,体节125～147。体背淡褐色或紫褐色,背中线较深。腹面尘灰色或苍白色。环带紫褐色,居ⅩⅨ—ⅩⅥ节,光滑,无刚毛。刚毛中等,前腹面略粗。其距离aa=1.4-2ab、zz=1.3-2zy。20～24(Ⅷ)在受精囊孔间。16-26在雄孔间。雄囊盘有2—4条刚。雄孔表面呈马蹄形,由皮褶形成深腔(图3),雄孔在腔底的小突上,其前、后各有一小突起。在腔口有一图形,平顶乳突(图二、2)。雄盘上多褶。受精囊孔3对,位于6/7—8/9节间,受精囊孔居浅腔底的小突起上(图二、1)。在浅腔内侧,刚毛圈前有园形小突。膈膜5/6～11/12增厚,但8/9、9/10者缺。受精囊大,3对,呈卯园形,居Ⅶ—Ⅺ
In 1981, Nanchang Lake in Changchun collected 17 earthworms ephedra, open source mining in Liaoning Province 39 specimens. This species has been reported to the south of North China and the Yangtze River, but it has not been reported in Northeast China. Zhili epimedium one, characteristic description of the anterior leaflet 1/2 on the leaf type. Back hole from the beginning of the festival. Body length 195 ~ 330 mm in diameter 7 ~ 9 mm, body section 125 ~ 147. Body light brown or purple-brown, dark line back. Abdomen dusty or pale. Belt purple brown, living XIX-XVI section, smooth, without bristles. Bristles medium, slightly thicker anterior ventral. The distance aa = 1.4-2ab, zz = 1.3-2zy. 20 ~ 24 (Ⅷ) between the seminal vesicles. 16-26 in the male hole. Bowel disk has 2-4 just. Male hole surface was horseshoe-shaped, formed by the skin fold deep cavity (Figure 3), male hole in the bottom of the small bursa, before and after each have a small protrusion. There is a pattern in the mouth, the flat papilla (Figure II, 2). Male pleated. 3 pairs of fertilized cysts, located in the 6 / 7-8 / 9 interna, perforation of the hole in the shallow cavity at the bottom of the small protrusions (Figure II, 1). Inside of the shallow cavity, there is a park-shaped protrusion in front of the collar ring. Diaphragmatic thickening 5/6 ~ 11/12, but 8 / 9,9 / 10 were missing. Seminal vesicles large, 3 pairs, was d park-shaped, living VII-Ⅺ