Concentrations C. sprocera D. alba Total Control 51a 47.33a 49.17a 20 % 30.67b 33.33b 32b 40 % 23.67bc 12cdef 21c 60 % 5f 7.67ef 17.83c 80 % 18.33bcd 23.67bc 16.67c 100 % 11.33def 22bcd 6.33d Total 23.33a 24.33a

Table 2: Means comparisons for Loss in grains weight at different concentration of C. sprocera and D. alba leaf extract caused by Tribolium castaneum