A genus of ixodid ticks closely resembling Boophilus, but not having festoons or ornamentations; they are characterized by greatly enlarged posterior legs and a prolonged median plate. [G. margaros, pearl oyster, + pous, foot]
- M. winthemi the one-host South American winter horse tick; it also sometimes attacks cattle and sheep.
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Mar·gar·o·pus mär-'gar-ə-pəs n a genus of ixodid ticks that in some classifications includes an American cattle tick (M. annulatus syn. Boophilus annulatus) causing Texas fever
Medical dictionary. 2011.