APA Citation Pamphlet, Brochure, or Bulletin Publication Manual of the American Psychological Association, 6th Ed., p.187-192, 6.31-6.32 Pamphlet Harvey, E. (1999). 180 Ways to walk the customer service talk. [Pamphlet].
Although any part of the scalp may be colonized, lice favor the nape of the neck and the area behind the ears, where the eggs are usually laid. Head lice are repelled by light and will move towards shadows or dark-colored objects in their vicinity.
They lay up to 10 lice eggs or nits daily. 1. From Egg To Nymph: One Week. Head lice incubation period lasts about a week (from 6 to 9 days exactly), which means that head lice eggs or nits hatch occurs about a week after eggs have been laid.