Delivery method | Insecticides | LD50 (95% ng/fly) | Y = LD – P line | χ2 | Topical/ injected ratio |
---|---|---|---|---|---|
Topical application | malathion | 170.76 (153.63–189.37) | Y = 3.24X – 7.23 | 2.98 | - |
chlorpyrifos | 37.00 (33.12–41.56) | Y = 3.27X – 5.13 | 3.67 | - | |
Injection | malathion | 64.71 (48.38–92.20) | Y = 2.84X – 5.15 | 5.77 | 2.64a |
chlorpyrifos | 22.40 (20.19–24.44) | Y = 3.87X – 5.22 | 2.69 | 1.65b |