What is the biting louse species that infests dogs?

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Prepare for the VetSkill PCA Lab and Diagnostics Test with study tools like flashcards and multiple-choice questions. Each question comes with hints and explanations. Get exam-ready with us!

Multiple Choice

What is the biting louse species that infests dogs?

Explanation:
The key idea is that dogs can host two types of lice: biting (chewing) lice and sucking lice. Biting lice have mouthparts built for chewing hair and skin debris, and they stay on the animal causing itching and dermatitis. The species known to be a biting louse that infests dogs is Trichodectes canis. In contrast, Pediculus humanus and Pthirus pubis are human lice and don’t typically infest dogs, while Linognathus setosus is a sucking louse that feeds on blood rather than chewing on hair. So the dog-infesting biting louse is Trichodectes canis.

The key idea is that dogs can host two types of lice: biting (chewing) lice and sucking lice. Biting lice have mouthparts built for chewing hair and skin debris, and they stay on the animal causing itching and dermatitis. The species known to be a biting louse that infests dogs is Trichodectes canis. In contrast, Pediculus humanus and Pthirus pubis are human lice and don’t typically infest dogs, while Linognathus setosus is a sucking louse that feeds on blood rather than chewing on hair. So the dog-infesting biting louse is Trichodectes canis.

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