Abstract: The red-rust flour beetle, Tribolium castaneum is a serious pest of stored wheat flour in Nigeria. The study assessed the relative preference for development by T. castaneum in dehulled-fine flour of eight wheat varieties. The experiment was conducted between 24th February to 20th April, 2017, in the laboratory of Biological Science Department of University of Maiduguri, under ambient temperature (24±1.13 oC) and relative humidity (30.7±1.38 RH).