The head louse anatomy | Liceworld
WEBThe head louse anatomy. On the head are two antennae (feelers), a pair of point eyes and the mouthparts. As with other insects living from bloodsucking, the mouth parts are shaped as a short tube. When the head louse needs to suck blood, this tube is pushed out and small sharp teeth at the tip of the tube act as barbs, so that the louse can ...