“…Cowpea's high protein content, its adaptability to different types of soil and intercropping systems, its resistance to drought, and its ability to improve soil fertility *Corresponding author: bi_cole@yahoo.com Increased and intense cultivation of any crop often results in an increase in pest pressure especially in the humid tropics. The major economic diseases of cowpea in the humid agro ecological regions of South-Western Nigeria include brown blotch, anthracnose, cercospora leaf spot, web blight, sclerotium stem blight (Adegbite and Amusa, 2008), cowpea aphidborne mosaic virus, blackeye cowpea mosaic virus and cowpea mosaic virus (Ittah et al, 2010), root-knot nematodes (Onifade and Fawole, 1996) and cowpea bacterial blight and bacterial pustule (Emechebe and Shoyinka, 1985;Okechukwu and Ekpo, 2008).…”