Potential impact of host pest fed on Bt-modified corn on the development of Chrysoperla carnea (Stephens) (Neuroptera: Chrysopidae)

Egyptian Journal of Biological Pest Control

Table 2 Effect of Bt Cry1Ac and Cry2Ab toxins on egg hatchability of C. carnea

Treatments	Cry1Ac (μg/ml)			Cry 1Ab (μg/ml)			Cypermetherin (2 μg/ul)	dH₂O
Concentrations	4.0	8.0	10.0	4.0	8.0	10.0	(+ve control)	(−ve control)
Mean no. of hatched C. carnea eggs	19.0 ± 1.13^a	18.33 ± 1.13^a	18.0 ± 1.13^a	19.33 ± 1.13^a	18.33 ± 1.13^a	17.33 ± 1.13^a	0.0^b	16.66 ± 1.13^a

Data represented as mean ± SE
^{a, b}Insignificant difference between similar litter using Duncan multiple range test at P < 0.05