Merck Manual

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Damalinia equi nits on a horse
Damalinia equi nits on a horse

    Nits of the horse biting louse, Damalinia equi (also called Werneckiella equi), on its host. Whereas the nits can be readily seen, the presence of a louse (arrow) is revealed only by parting of the hair.

Courtesy of Dr. Sameeh M. Abutarbush.

In these topics
Lice in Horses and Donkeys