deer fly macro

animal animals artiodactyls attack biocenosis biting blood bloodsuckers bloodsucking bluebottle boar bug cattle cervi claws deer disease diseases disgusting ectoparasite ectoparasites enemy feed flea fly forest ghoul ghoulish health hippoboscidae horned infect insect insectpest insects ked lipoptena loathsome louse lyme marals medicine moose obligate parasites parasitic person prehensile revolting roe science unpleasant vampire vectors veterinary view warmblooded wild