银川盲走螨

yinchuanensis   Liang et Hu
   

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形态描述

雌螨 背板长331μm,背板宽165μm。活体色淡黄。背板刻纹显著,小孔4对,背毛18对,Z5毛最长,其次为Z4毛,且有小分枝,其余背毛光滑。气门沟前伸达 z3和 z4之间水平。胸板光滑,后缘呈三角形突出,具胸毛2对和小孔2对;第3-4胸毛在胸后板上。腹肛板略呈五角形,肛前毛JV3后稍收缩。肛前毛4对,无肛前孔。受精囊形状如图276-d。螯肢定趾5齿,动趾1齿。足IV仅基跗节有-巨毛长51μm。刚毛长度:j122μm, j3 29μm, j4 18μm, j5 18μm, j6 21μm, J2 24μm, J5 4μm, z2 24μm, z3 27μm, z4 28μm, z5 21μm, Z4 41μm, Z5 57μm, s4 31μm, s6 32μm, S2 35μm, S4 32μm, S5 21μm, r3 28μm, R1 28μm, JV5 43μm。
雄螨 背板长249μm,宽153μm。腹肛板有刻纹,肛前毛5对。导精趾形状如图265-g。刚毛长度:j1 18μm, j3 22μm, j4 15μm, j6 14μm, J2 14μm, J5 3μm, z2 20μm, z3 19μm, z4 23μm, z5 16μm, Z4 31μm, Z5 40μm, s4 25μm, s6 24μm, S2 27μm, S4 22μm, S5 14μm, r3 22μm, R1 18μm, JV5 25μm,足IV基跗节巨毛30μm。