The red flour beetle, Tribolum castaneum (Coleoptera: Tenebrionidae), is one among the major devastating pests of stored plantain chips and stored flours. Their control using synthetic options of insecticide may cause food poisoning and bioaccumulation. The use of botanical treatments and their relatives have stood out by their proven efficacy against insect pests. This present study therefore evaluates the toxicity and repellency of table salt (Sodium Chloride), Zingiber

officinale and pepper powders (Aframomum melegueta and Dennettia tripetala) as protectants of dried plantain chips infested with T. castaneum in the laboratory using standard methods. The highest percentage mean mortality (%) was recorded in 10g salted chips (65.00±7.88), and 10g D. tripetala (72.50±7.88), and repellency in 2g of Z. officinale

and salt (69.06±5.91 and 51.22±5.91) respectively. Lowest number of holes was recorded in 5g of D. tripetala and 2g of salt (1.88±0.88 and 1.50±1.17) respectively. Likewise, the percentage weight loss was recorded in 5g of salt and 2g D. tripetala (1.80±0.87 and 62.62±6.87). A significant difference was observed in all the treatment groups (p< 0.05). LC50 was lowest in salted chips (1.59g) compared to D. tripetala (2.02g) and other peppered chips. More so, LC95 was lowest in D. tripetala (10.80g) compared to salt (36.00g) and other pepper chips. Considering the high mortality recorded in salted and peppered chips, their best concentrations could be adopted as viable alternatives over chemical pesticides in managing T. castaneum infestation in storage conditions.