成虫形态 虫体中型,体长0.650-0.880mm,宽0.022-0.027mm。咽球形,直径0.049-0.056mm。后吸器与体前部区分明显,大小0.049-0.081×0.088-0.100mm。边缘小钩雏型,全长0.010-0.015mm。背中央大钩全长0.039-0.047mm,基部长0.027-0.039mm,内突0.012-0.017mm,外突0.002mm,钩尖长0.020-0.024mm;背联结片中部及两端略扩伸,大小0.002-0.003×0.037-0.039mm。腹中央大钩全长0.017-0.019mm,基部长0.014-0.017mm,内突0.007-0.010mm,...