These resources are brought to you by the Cooperative Extension System and your Local Institution

Pest Management In and Around Structures Home

FAQ #37669

Have a question? Try asking one of our Experts

How long do head lice live?

Last Updated: March 11, 2009


View as web page

A louse egg hatches about 10 days after being glued to a hair shaft. Upon hatching, a louse will molt three times over a 10 to 12 day period before molting into a mature adult. An adult louse can live up to 40 days.

Browse related FAQs by tag: integrated pest management, school, urban integrated pest management, urbanipm

Have a specific question? Try asking one of our Experts

Unlike most other resources on the web, we have experts from Universities around the country ready to answer your questions.