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Table 1 Toxicological evaluation of etofenprox and chlorpyrifos against newly hatched larvae of P. gossypiella and E. insulana under laboratory conditions

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

InsectCompounds usedToxicity, (95% Confidence limits)
LC50 (ppm)LC90 (ppm)Slope ± SE
P. gossypiellaEtofenprox0.07 (0.053–0.09)0.39 (0.27–0.68)1.71 ± 0.23
Chlorpyrifos0.87 (0.59–1.22)6.22 (3.60–17.90)1.50 ± 0.27
E. insulanaEtofenprox0.09 (0.07–0.11)0.30 (0.23–0.43)2.46 ± 0.27
Chlorpyrifos0.73 (0.52–0.95)3.26 (2.24–6.16)1.97 ± 0.32