Skip to main content

Table 2 Effect of tested compounds on different stages 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)

Biological aspectsConc.Larval stagePupal stage% total mortality and MalformedTotal immature stage
% mortalityTime in days%mortality and malformedTime in days
P. gossypiellaEtofenprox0.0765.0023.50 ± 2.108.0012.00 ± 1.1078.0035.50 ± 2.10
Chlorpyrifos0.8763.0019.00 ± 1.5010.0013.40 ± 0.9075.0032.40 ± 2.40
Control0.003.0014.30 ± 0.905.007.6 ± 0.38.0021.90 ± 1.90
LSD056.823.121.992.222.172.40
F value319.228.68469.924.04364.2120.87
E. insulanaEtofenprox0.0971.0021.40 ± 1.805.0013.0 ± 1.2076.0034.70 ± 1.30
Chlorpyrifos0.7366.0017.30 ± 0.902.0011.90 ± 1.3068.0029.20 ± 2.40
Control0.004.0015.30 ± 0.904.007.80 ± 0.308.0023.10 ± 0.90
LSD053.881.620.241.962.042.13
F value1129.0823.87411.321.9728.12144.25