FACTOID # 76: The fourteen unhappiest countries are all in Eastern Europe.
 
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Encyclopedia > Chewing lice

Chewing lice (Mallophaga) have nearly 3000 species and represent the larger of the two traditional suborders of lice (cf. sucking lice). Recent classifications suggest that this group is paraphyletic and divide the Mallophaga into three separate suborders:


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Louse - Wikipedia, the free encyclopedia (268 words)
They are all obligate ectoparasites of mammals and birds, excluding the Monotremes (the duck-billed platypus and spiny ant-eater) and bats.
As lice spend their whole life on the host they have developed adaptations which enable them to maintain a close contact with him.
These adaptations are reflected in their size (0.5 mm to 8 mm), stout legs and claws in order to cling tightly to hair, fur and feathers, wingless and dorsoventrally flattened.
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