Heteropsylla cubana (leucaena psyllid) is a species of in the family Psyllidae. It occurs in South and Central America as an insect plague (decline) on species of broadleaved trees, such as Albizia, Mimosa, Leucaena leucocephala and Samanea saman. It has also recently been found in Asia, on the islands of the South Pacific and in Africa. The insect feeds on the young leaves and shoots, and on the older parts, also the flowers. The twig tops die off,and in serious cases the whole tree can die after dropping all leaves.