Table 1 Development time, survival and weight of Chrysoperla zastrowi sillemi fed on Phenacoccus solenopsis reared on Bt and non-Bt cotton cultivars

^*Larval period (days)

11.13 ± 0.33 (24)

11.12 ± 0.29 (25)

11.08 ± 0.35 (24)

F = 0.01; df = 2.70; P = 0.994

^#Larval survival (%)

80.0

83.3

80.0

χ² = 0.324; df = 2; P = 0.956

^*Pupal period (days)

7.19 ± 0.15 (21)

7.14 ± 0.16 (21)

7.24 ± 0.21 (21)

F = 0.08; df = 2.60; P = 0.927

^#Pupal survival (%)

87.5

87.5

88.0

χ² = 0.333; df = 2; P = 0.954

^*Adult longevity (days)

29.19 ± 0.97 (21)

29.14 ± 1.05 (21)

29.38 ± 1.18 (21)

F = 0.01; df = 2.60; P = 0.987

^*Larval weight (mg)

10.85 ± 0.29 (20)

10.90 ± 0.35 (20)

11.05 ± 0.37 (20)

F = 0.09; df = 2.57; P = 0.912

^*Cocoon weight (mg)

13.10 ± 0.59 (20)

13.00 ± 0.54 (20)

13.25 ± 0.68 (20)

F = 0.04; df = 2.57; P = 0.958

^*Adult weight (♀) (mg)

13.70 ± 0.37 (10)

13.60 ± 0.40 (10)

13.80 ± 0.42 (10)

F = 0.06; df = 2.27; P = 0.938