Olfactory response of Mean±SEM, n=10 adult Bactrocera zonata flies towards an olfactometer arm with odour sources of A, distilled water extract of cinnamon (D.W C), methanolic extract of cinnamon (MC), and ethanolic extract of cinnamon (EC); B, distilled water extract of ginger (D.W G), methanolic extract of ginger (MG), and ethanolic extract of ginger (EG); C, distilled water extract of peppermint (D.W M), methanolic extract of peppermint (MM), and ethanolic extract of peppermint (EM).