Weevil resistant sweetpotato (WRSP) varieties development project, aimed to achieve genetic transformation of African varieties to resist weevils attack. This presentation reports the year 4 progress. Briefly, it shows the progress in genetic transformation in Peru, Kenya, and Uganda, screening of weevil resistance transgenic events (TE), TE field trials, and the Cry proteins accumulations, expression and Cry gene construct development. It concludes by outlining the future activities.