Sucking (biting) lice have a narrow head, and the thorax wider than the head. They have powerful legs, and piercing mouthparts, used to feed on blood and tissue fluids. Heavy infestations can cause anaemia.
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Sucking lice have a narrow head, and the thorax wider than the head. They have powerful legs, and piercing mouthparts, used to feed on blood and tissue fluids. Heavy infestations can cause anaemia.