Maize production in Burkina Faso faces a number of constraints, the main onebeing attacks by insect pests. One of these insects is the fall armyworm (Spodop-tera frugiperda J.E. Smith). Control of this insect began with the application ofchemical insecticides, which are ineffective in the long term and give rise to re-sistance problems. This study aims to evaluate the efficacy of five insecticides inorder to determine the level of resistance of Spodoptera frugiperda to these insec-ticides. The efficacy of these insecticides was evaluated in the field using a Fisherblock design. The parameters evaluated concerned the number of larvae at allstages and the damage observed on maize plants and cobs. The work was carriedout at the Farako-Bâ station during the rainy season 2023-2024 and at the Bamastation during the dry season 2023-2024. The results obtained in the rainy easonshowed that Chlorantraniliprole and Indoxacarb were more effective than the un-treated control and the other insecticides tested. The rate of plants and cobs at-tacked was 0.59% and 32.34% respectively in plots treated withChlorantraniliprole. However, the rate of plants and cobs attacked was 1.52% and44% respectively for the plots treated with Indoxacarb. In the dry season,Chlorantraniliprole, Indoxacarb and Emamectin benzoate were the most effective.The rate of plant attack in plots treated with Chlorantraniliprole was 0.52%, whilethe rate of cob attack was 1.35%. The plots treated with Indoxacarb had 1.92%and 5.96% of plants and cobs attacked respectively. The plots treated withEmamectin benzoate had 0.63% and 7.95% of plants and cobs attacked respec-tively. These results show that these insecticides can be used to manage this pest (PDF) Evaluation of the Efficacy of Five Chemical Insecticides in the Protection of Maize against the Moth Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae) in Burkina Faso. Available from: https://www.researchgate.net/publication/389462669_Evaluation_of_the_Efficacy_of_Five_Chemical_Insecticides_in_the_Protection_of_Maize_against_the_Moth_Spodoptera_frugiperda_JE_Smith_Lepidoptera_Noctuidae_in_Burkina_Faso [accessed May 16 2025].

Spodoptera frugiperda, chemical insecticides, maize, resistance, Burkina Faso