Here is a collection of photos and information on lice, called Anoplura by scientists.
Anoplura are wingless, obligate ectoparasites of mammals and birds. Highly host specific. There body is dorso-ventrally flattened. Eyes are variable, antennae 3-5 segmented, mouthparts modified for sucking and/or piercing. Legs are usually short bearing claws. Abdomen comprising 8-11 visible segments. Coloration usually cryptic matching host pelage or plumage.
Here is a list of families present in the Afrotropical region :
You will find a lot of information on lice, and specifically on Anoplura (sucking lice) on this recommended website : http://phthiraptera.info/
If you are looking for some books on Anoplura :