Head lice (pediculus humans capitis) are wingless insects with six legs, a curved claw that can tightly grasp hair.
They feed on blood , inject saliva into their hosts while they feed to prevent blood from clotting .This can result in an allergic itching sensation. The females lay their eggs on the hair close to the scalp.
Method of transmission
- Head-to-head contact from the hair of one person to the hair of another. Head lice cannot fly, jump or swim.