2013. Efficacy of Insect Growth Regulators against Red Tef Worm, Mentaxya ignicollis (Walker) (Lepdoptera: Noctuidae). Journal of Science and Sustainable Development. 1, 2 (Jul. 2013), 13–24. DOI:https://doi.org/10.20372/au.jssd.1.2.2013.014.