Table 2. Insecticidal activities of PP derivatives 9a–b, 10a–b, and 11a–b.
| Compound | LC90 (ppm) | Mortality at 5 ppm | Mortality at 200 ppm | ||
|---|---|---|---|---|---|
| M. persicae | T. vaporariorum | F. occidentalis | N. lugens | T. urticae | |
| Odawara (2002)a) | Odawara (2001)a) | Purchaseda) | Kagoshima (1970s)a) | Purchaseda) | |
| 9a | >1.3 | 57 | 55 | 0 | 0 |
| 9b | >1.3 | 8 | 15 | 0 | 0 |
| 10a | >1.3 | NTb) | 84 | 0 | 0 |
| 10b | >1.3 | 9 | 19 | 90 | 0 |
| 11a | >1.3 | 0 | 0 | 14 | 0 |
| 11b | >1.3 | 15 | 13 | 0 | 0 |
| PP-A | 0.56 | 80 | 65 | 50 | 0 |
| PP-I | 0.043 | 18.3 | 53 | 50 | 0 |
a) The insects collected in Japan respectively or purchased were used in insecticide tests. b) Not tested