An adult head louse is approximately 2.5 to 3.5 mm long.
A louse egg, or "nit" is roughly 0.5 to 1.0 mm long.
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An adult head louse is approximately 2.5 to 3.5 mm long.
A louse egg, or "nit" is roughly 0.5 to 1.0 mm long.
Find more information about pests in eXtensions Pest Management In and Around Structures Resource Area.

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