vpg logo Parasite Diagnostic Key
Horse Lice

DOG LICE

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CAT LICE

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HORSE LICE

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SWINE LICE

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RUMINANT LICE

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POULTRY LICE

Lice Anatomy & Terms

1.Equine Lice with head wider than thorax and chewing mouth parts
                            .................................................. Bovicola (Damalinia) equi

2.Equine Lice with head narrower than thorax and piercing mouth parts
                                 .................................................. Haematopinus asini

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NC State College of Veterinary Medicine
1060 William Moore Drive
Raleigh, NC 27607