ants and aphids
“The aphid is a stupid little creature which lives by thrusting its bill or sucking tube into a stem or leaf if a plant, and thus settles down for life, nourished by the sap which it sucks up; it has a peculiar habit of exuding from its alimentary canal drops of honeydew when it feels the caress of the ant’s antennæ upon its back.” — Anna Botsford Comstock, Handbook of Nature Study ...


