ALL0-9ABCDEFGHIJKLMNOPQRSTUVWXYZ Share This Tweet Share Tags: Diseases, PesticideCategories: Insects, Plumeria CareAn oil made from petroleum products, vegetable oil, or fish oil used to control insect pests and diseases. Oils work by smothering insects and their eggs and by protectively coating buds against pathogen entry. Related Articles: Glossary: Summer oilMealybug – PestAphids – Pest