The rice weevil (Sitophilus oryzae) is a stored product pest which targets seeds of various crops, including wheat, rice, and maize. The rice weevil, Sitophilus oryzae, can be managed with several techniques, such as fumigants, insecticides, and natural pesticides. It has been demonstrated that extracts from plants such as Gliciridia sepium, Ricinus communis, Calotropis gigantea, Lantana camara, and Carica papaya are efficient against rice weevils. It has been demonstrated that plant powders such as Ageratum conyzoides, Melia azedarach, Vitex negundo, and Ocimum sanctum are efficient against rice weevils. It has been demonstrated that oils from African palm, groundnut, and coconut are beneficial against rice weevils.
It has been demonstrated that oils like cumin and basil work well against rice weevils.