Report on the survey of occurence of resistant Asian corn borer (ACB) populations in selected growing areas as well as the rate of development of resistance to Cry1Ab of the ACB in the laboratory. The effect of Bt protein on the biology of predatory earwigs fed with ACB larvae was explored. Dr. Belen Morallo-Rejesus and Dr. Pio A. Javier Crop Protection Cluster College of Agriculture University of the Philippines Los Baños http://www.uplb.edu.ph