Table 1.
Proportion of Culex pipiens with diapause-type ovarian follicles after injection of double-strand RNA of insulin-like peptide-1 (dsILP-1) and application of juvenile hormone III (JH III)
| Double-strand RNA injection | n | Females with diapause- type ovarioles (%) |
|---|---|---|
| Programmed for nondiapause | ||
| Untreated control | 30 | 10.0 |
| dsβ-gal | 35 | 8.6 |
| dsILP-5 | 28 | 14.3 |
| dsILP-1 | 37 | 83.8* |
| Programmed for diapause | ||
| Untreated control | 24 | 92.9 |
| dsILP-1 + acetone | 24 | 87.5 |
| dsILP-1 + 5 ng JH III | 20 | 75.0* |
| dsILP-1 + 50 ng JH III | 23 | 39.1* |
| dsILP-1 + 500 ng JH III | 21 | 0.0* |
dsβ-gal, double-strand RNA of β-galactosidase.
*
Asterisks indicate significant difference from untreated controls
(χ2-goodness of fit test at P < 0.05 and d.f. = 1).