parasitic on sheep and cattle as well as humans;can transmit looping ill in sheep (acute viral disease of the nervous system);a vector for Lyme disease spirochete.

• 寄生在羊、牛以及人身上;在绵羊中传播疯狂病(神经系统敏感的病毒疾病);一种莱姆关节炎螺旋菌。