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Site Predilection
Chewing Lice
Damalinia ovis (sheep biting louse)
Most commonly found on the dorsum
Infestation may extend cranially to head and caudally to tailhead
Bloodsucking Lice
Linognathus pedalis (sheep foot louse)
Confined to hairy parts of the foot, except in very heavy infestations
Lignognathus ovillus (sheep face and body louse)
Usually found on hairy parts of the sheep’s skin
As populations increase, lice spread to other parts of body
Lignognathus africanus (African blue louse)
Often found on flanks of sheep
Forms clusters
Slippage of wool is common
