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。