Mean progeny emergence (%±SE) of Tribolium castaneum (A) and Trogoderma granarium (B) after 50 days post last exposure of application treated with Beauveria bassiana and diatomaceous earth (means followed by the same letters with in treatments are statistically same; HSD test at P = 1%). T1= B. bassiana @ 1×106 conidia/ml, T2= B. bassiana @ 1×107 conidia/ml, T3= DE @ 50 ppm, T4= DE @ 100 ppm, T5= B. bassiana @ 1×106 conidia/ml + DE @ 50 ppm, T6= B. bassiana @ 1×106 conidia/ml + DE @ 100 ppm, T7= B. bassiana @ 1×107conidia/ml + DE @ 50 ppm, T8= B. bassiana @ 1×107 conidia kg-1 + DE @ 100 ppm and T9= Control.