DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY
Coloured scanning electron micrograph (SEM) of Cat biting louse and egg cases (Felicola subrostratus). The cat biting louse is the only louse ectoparasite occurring on cats. Ectoparasites are parasites that live on the external body of the host. Other non-louse ectoparasites on cats include fleas (insects) and mites (arachnids). Biting lice have mouthparts that are designed for chewing, not sucking, and they feed on hair or skin scales. An infestation of lice is called pediculosis. Adult females lay their egg cases with in the animals hair by cementing the egg case to the hair shaft. Magnification: x16 when shortest axis printed at 25 millimetres.
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