Head Lice Eggs



Head Louse Eggs is also called as nits. Head lice live for about three weeks. Head lice are spread easily over the head. Louse eggs are present on the hair very close to the scalp. A female can have 50 to 150 eggs in its life cycle but it lay up 100 eggs in 30 days. These eggs are tiny white beads and oval. They are kept nice and warm. An egg normally undergoes a 7-9 day incubation before hatching as a baby nymph

Hatched eggs are nearly transparent. Laid eggs are usually within 1.5 cm of the scalp. Nits are always the same shape. They are never irregular, encircling the hair. Eggs are hatch are usually located within 1/4 inch of the scalp. The size of egg is 0.8mm by 0.3mm. Head lice is usually 2 to 4mm. Eggs are the first sign of a head lice infestation. Head louse eggs are present on the back side of ear and neckline.

What is the life cycle of head lice egg?

Head lice has a six legs and it live about three weeks. Head lice have a head, thorax and abdomen. The head lice are present near to the hair scalp. With lice bites come itching and scratching. The life cycle of a single louse from egg to egg is about 1 month. The life cycle of head lice is go through three stages and these are as follows

  1. The egg - It will stick to hair very close to the scalp. Head louse egg is a smooth, oval shaped structure. Eggs are usually within 1.5 cm of the scalp. The temperature is perfect for maintaining warm until they hatch. Lice eggs hatch within 1 to 2 weeks after they're laid.
  2. The nymph- Nymphs are immature adult head lice. Nymphs mature into adults about 7 days after hatching. Nymphs are smaller and become adult lice about 7 days after they hatch
  3. The adult- The adult louse is like a sesame seed and is brownish tan. The life span of an adult louse on a host ranges up to 30 days. Adult lice feed on blood about every 4 to 6 hours. They can survive up to 3 days off the scalp.

The prevention for head louse eggs are as follows

  • Never spray pesticides on furniture, pets, carpets, other household items to control head lice.
  • A combination of safe shampooing and lice combing will reduce head lice problems.
  • By using proper combing we can remove the head lice.
  • Children should be instructed that to do not share hats, clothing with their classmates.
  • Dry clean any clothing that isn't machine washable.

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