成虫形态 虫体中型,体长0.32-0.75mm,宽0.090-0.160mm。咽椭圆,大小0.048-0.057×0.043-0.053mm。后吸器与体分界明显,大小0.070-0.080×0.080-0.100mm。边缘小钩雏型,7对。背中央大钩全长0.068-0.075mm,基部长0.046-0.052mm,内突0.025-0.027mm,外突0.003mm,钩尖长0.027-0.030mm;背联结片大小0.007-0.010×0.030-0.037mm,附片0.009-0.010×0.022-0.025mm。腹中央大钩全长0.016-0.019mm,基部长0.015-0.017mm,内突...