Pubic lice (crabs)
Pubic lice ( Crabs ) Image Source: By Doc. RNDr. Josef Reischig, CSc. - Author's archive, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=31557499 1. Pubic lice are tiny parasitic insects that live in coarse body hair, such as pubic hair. They are yellow-grey and about 2mm long. They have a crab-like appearance so they are often known as crabs. The eggs appear as brownish dots fixed to coarse body hair. Pubic lice are different from the head lice which some people get on their scalp. 2. Parasitic lice belong to the insect order Phthiraptera and include two main groups. The group that includes the human lice is known collectively as "Anoplura" , or the sucking lice. There are over 550 species in the world, all of which are blood-sucking parasites of mammals, including wildlife, livestock, and pets. 3. The second group contains the chewing lice, known collectively as "Mallophaga" . This is a large and diverse assemblage of over...