Plate from 18th century encyclopedia showing various categories of plant parasite including those of; elm, hornbeam, oak, artichoke, gooseberry, elder, rose, peach, lime, beech and box. Also shown are various types of louse flies or keds, obligate parasites of mammals and birds. In this family there are winged species which can fly at least reasonably well, as well as others with vestigial or no wings which are flightless and highly apomorphic.
Model release not required. Property release not required.