Blood Drinkers. Predators of the swamplands, jungles, and other humid places, the anophiloi, intelligent mosquitoes the size of large dogs, feed mainly on livestock and large game animals. Their choice of food, however, is a pragmatic one and has nothing to do with morality; game animals won't organize to wipe them out, humanoids will. When famished, anything that bleeds becomes prey for the anophiloi.