LC50 of free toxin=90ng100μl−1 with a 95% CI of 122.6–256.5ng100μl−1. There was no mortality with the soils alone. Two replicate soil tubes, and 16 larvae per toxin concentration. bCI=confidence interval.
LC50 of free toxin=90ng100μl−1 with a 95% CI of 122.6–256.5ng100μl−1. There was no mortality with the soils alone. Two replicate soil tubes, and 16 larvae per toxin concentration.bCI=confidence interval.