Fleas
Fleas are the insects forming the order Siphonaptera, living by hematophagy off the blood of mammals (including bats and humans) and birds as external parasites. They are wingless insects (1/16 to 1/8-inch (1.5 to 3.3 mm) long), usually dark colored, with tube-like mouth-parts adapted to feeding on the blood of their hosts. Their legs are … Read more