TY - JOUR T1 - Chemical profile and repellent effects of two essential oils on Tribolium confusum Jacquelin du Val, 1863 (Coleoptera: Tenebrionidae) TT - Chemical profile and repellent effects of two essential oils on Tribolium confusum Jacquelin du Val, 1863 (Coleoptera: Tenebrionidae) AU - Tiring, Gülsevim PY - 2025 DA - August Y2 - 2025 DO - 10.29136/mediterranean.1728389 JF - Mediterranean Agricultural Sciences PB - Akdeniz University WT - DergiPark SN - 2528-9675 SP - 63 EP - 67 VL - 38 IS - 2 LA - en AB - The confused flour beetle (Tribolium confusum Jacquelin du Val; Coleoptera: Tenebrionidae) is one of the most common pests of stored food products worldwide. Synthetic insecticides are commonly used to control this pest; however, their long-term application poses health risks and environmental concerns. The aim of this study was to evaluate the repellent activity of essential oils (EOs) from Lavandula angustifolia Miller and Origanum vulgare L. (Lamiaceae) against T. confusum. In this study, EOs from L. angustifolia and O. vulgare were extracted by hydrodistillation and analyzed using gas chromatography-mass spectrometry (GC-MS). The repellent activity of the oils against T. confusum adults was evaluated using a two-choice bioassay. The data were statistically analyzed using one-way ANOVA followed by Tukey’s HSD test (P KW - Lavandula angustifolia KW - Origanum vulgare KW - GC-MS KW - Repellency N2 - The confused flour beetle (Tribolium confusum Jacquelin du Val; Coleoptera: Tenebrionidae) is one of the most common pests of stored food products worldwide. Synthetic insecticides are commonly used to control this pest; however, their long-term application poses health risks and environmental concerns. The aim of this study was to evaluate the repellent activity of essential oils (EOs) from Lavandula angustifolia Miller and Origanum vulgare L. (Lamiaceae) against T. confusum. In this study, EOs from L. angustifolia and O. vulgare were extracted by hydrodistillation and analyzed using gas chromatography-mass spectrometry (GC-MS). The repellent activity of the oils against T. confusum adults was evaluated using a two-choice bioassay. The data were statistically analyzed using one-way ANOVA followed by Tukey’s HSD test (P CR - Afful E, Elliott B, Nayak MK, Phillips TW (2018) Phosphine resistance in North American field populations of the lesser grain borer, Rhyzopertha dominica (Coleoptera: Bostrichidae). Journal of Economic Entomology 111: 463-469. CR - Alkan M (2023) Essential oils of Origanum species from Turkey: repellent activity against stored product insect pests. Journal of Agricultural Sciences 29(1): 103-110. CR - Anderson JA, Coats JR (2012) Acetylcholinesterase inhibition by nootkatone and carvacrol in arthropods. Pesticide Biochemistry and Physiology 102: 124-128. 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