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Table 3 Indirect effect of tested compounds on progeny (immature stage) of Bracon brevicornis reared on full-grown larvae of P. gossypiella and E. insulana treated as newly hatched larvae

From: Impact of conventional insecticides on two bollworms and their indirect effects on the ectoparasitoid, Bracon brevicornis (Wesmael) (Hymenoptera: Braconidae)

Treated host

Progeny of Bracon brevicornis

Duration of Bracon brevicornis immature stages (days ± SE)

Total immature stage ± SE

Life cycle ± SE

% emergence of adults

Eggs

Larvae

Pupae

P. gossypiella

Etofenprox

2.8 ± 0.10

10.9 ± 0.6

7.3. ± 0.3

18.2 ± 0.8

21.0 ± 1.6

61.00

Chlorpyrifos

2.7 ± 0.2

11.3 ± 0.33

8.2 ± 0.2

19.5 ± 1.3

22.2 ± 1.6

56.00

Control

2.3 ± 0.2

8.9 ± 0.6

5.4 ± 0.2

14.3 ± 0.9

16.6 ± 0.2

94.00

LSD05

0.13

0.43

0.35

1.22

1.37

2.49

F value

47.4

198.79

166.92

0.80

339.5

551.09

E. insulana

Etofenprox

2.9 ± 0.2

12.9 ± 0.32

6.9 ± 0.2

19.8 ± 0.6

22.7 ± 2.6

33.00

Chlorpyrifos

2.7 ± 0.1

13.0 ± 0.70

7.6 ± 0.3

20.6 ± 1.2

23.3 ± 2.1

49.00

Control

2.6 ± 0.2

9.3 ± 0.4

5.9 ± 0.2

15.2 ± 0.6

17.8 ± 0.2

92.00

LSD05

0.20

0.36

0.42

1.89

2.01

2.31

F value

1.08

95.30

29.30

80.59

349.60

856.78