Insecticidal Activity of Stem Bark Extract of Lophira Alata Ekki Against Cowpea Bruchid Callosobruchus Maculatus Journal title: International Journal of Trend in Scientific Research and Development Authors: Ifelolu A. Remi-Esan | Olusola O. Bankole Subject(s): Biological Sciences, Computer and Information Science, Engineering, Mathematics, Agricultural Engineering, Management, Engineering, Multidisciplinary