Efficiency of Bacillus thuringiensis strains and their Cry proteins against the Red Flour Beetle, Tribolium castaneum (Herbst.) (Coleoptera: Tenebrionidae)

Egyptian Journal of Biological Pest Control

Table 5 Energy reserves of treated third instar larvae of Tribolium castaneum at LC30 of Bt strains/Cry protein after 5 days of continuous exposure to the insecticide

BT strains/Cry protein	Total proteins		Total carbohydrates		Total lipids
BT strains/Cry protein	Activity (mean ± S.E.)	Percent of decrease (%)	Activity (mean ± S.E.)	Percent of decrease (%)	Activity (mean ± S.E.)	Percent of decrease (%)
Control	27.38 ± 3.38^A	–	53.53 ± 2.59^A	–	1.58 ± 0.35^A	–
20140919KYYT015 Cry3Aa	7.53 ± 2.07^D	− 72.49	12.35 ± 1.90^D	− 76.92	0.99 ± 0.12^BC	− 37.34
20150420LHMT145 Cry37Aa	12.68 ± 2.47^C	− 53.68	15.36 ± 2.99^D	− 71.30	1.15 ± 0.16^B	− 27.21
20141126CLLT002 Cry22Aa	14.28 ± 1.84^C	− 47.84	28.23 ± 3.06^C	− 47.26	0.80 ± 0.06^C	− 49.36
20131204YWYT028 Cry51Aa	16.68 ± 1.49B^C	− 39.07	17.20 ± 2.02^D	− 67.86	0.07 ± 0.02^D	− 95.56
20140728LTT243 Cry3Ba	20.22 ± 2.05^B	− 26.15	34.21 ± 2.94^B	− 36.09	0.17 ± 0.02^D	− 89.24

Letters indicate significance between strains. Means in columns with the same letter are not significantly differ