Fumigated dry common beans (Phaseolus vulgaris L.) that were artificially infested with Acanthoscelides obtectus Say, and others that were not artificially infested, were stored in hermetic triple- layer PICS (Lela Agro, Kano, Nigeria) or woven polypropylene (PP) bags for 6mo at ambient laboratory temperature conditions of 22.661.9C and 60.164.3% relative humidity. In an additional trial, bea…