Which of the following is a biting louse species that infests dogs?

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Multiple Choice

Which of the following is a biting louse species that infests dogs?

Explanation:
Biting (chewing) lice in dogs are the ones that feed on skin debris and epidermal material rather than blood. Trichodectes canis is the classic chewing louse that infests dogs, hence it fits as the biting louse species associated with canine hosts. Linognathus setosus is a sucking louse that feeds on blood, not chewing; Pthirus pubis is the human crab louse, and Pulex irritans is a flea, not a louse. So the canine biting louse is Trichodectes canis.

Biting (chewing) lice in dogs are the ones that feed on skin debris and epidermal material rather than blood. Trichodectes canis is the classic chewing louse that infests dogs, hence it fits as the biting louse species associated with canine hosts. Linognathus setosus is a sucking louse that feeds on blood, not chewing; Pthirus pubis is the human crab louse, and Pulex irritans is a flea, not a louse. So the canine biting louse is Trichodectes canis.

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