Insect Order Psocoptera - book lice or psocids
Psocoptera are Hemimetabolous with thread like antennae of 12 to 50 segments, the compound eyes of many species look like hemisheres that have been stuck on the outside of the head, though in a few species of Liposcelidae they are greatly reduced. Some are winged, with delicate membraneous wings and some are not, the winged species possess 3 ocelli while the apterous (wingless) species have none. They have biting mouthparts, no cerci and date from the Permian times.