Hog Louse

Scientific name: Haematopinus suis (Linnaeus)
(Phthiraptera: Haematopinidae)

Facts: The hog louse is yellowish in color and quite large for a louse, up to 1/4 inch long. This sucking louse has a narrow head. It is a well known pest of hogs and the numbers can build up especially in confined animal operations.

Photo credit: J. A. Jackman