This specimen of hair was plucked from the head of a 7 year old school child complaining of an itchy scalp.


1) What is it ?

Head louse egg (nit)

2) Identify the parasite responsible for it (genus and species)

Pediculis humanus var. capitis

3) Suggest a course of action to inform the child's parents about treatment and prevention.

Use a recommended pediculicide treatment once, followed by a secondary treatment 10 days later to account for hatching of eggs. Ensure entire family is similarly treated. Instruct child as to preventative measures (eg. don't share hats, towels, combs, etc)