Lice

Introduction There are 225 species of sucking lice worldwide. They parasitize their hosts externally by puncturing their skin and sucking their blood, and the male is no different than the female. They are small, wingless insects with a flattened body from top to bottom, and they are slow-moving insects. They live attached to their host; they do not leave it…

Head Louse: Identification The lengths of the female is 3 mm and 2 mm in the male.·        The adult is about the size of a sesame seed, has 6 legs, and is tan to grayish-white. The nymph looks like an adult. Eggs (also called nits) are 0.8 mm by 0.3 mm, oval, and usually yellow to white.   Life Cycle…

Body Louse: Identification Adults are 2.3–3.6 mm in length. The adult is about the size of a sesame seed, has 6 legs (each with claws), and is tan to grayish-white. Eggs (also called nits) are 0.8 mm by 0.3 mm, oval and usually yellow to white. Life Cycle and Common Characteristics Body louse has three stages: egg, nymph, and adult.…

Pubic or Crab Louse: Identification Adults are 1.5–2.0 mm in length and flattened. They are smaller than body lice and headlice, The body is broad and short, and the front legs are much smaller than the second and third pairs. The first apparent abdominal segment bears a total of six spiracles on its upper surface. Eggs (also called nits) are…