Thornless forms ("Gleditsia triacanthos" var. The larvae feed on "Gleditsia triacanthos". The larvae feed on "Robinia pseudoacacia" and "Gleditsia triacanthos". The honey locust, "Gleditsia triacanthos", can reach a height of 20m (66 ft.). The larvae feed on "Haematoxylon brasalita", "Cassia emarginata", "Acacia farnesiana", "Gleditsia triacanthos" and "Robinia pseudoacacia".