Table 3. Mean percentage of eggs hatching (± SEM) for adult females of three coccinellid species surviving two 24-h exposures to residues of copper sulfate and petroleum oil as larvae.

Species Control Treatment F df P Curinus coeruleus 82.8 ± 1.5 85.1 ± 1.4 1.138 1,36 0.293 Harmonia axyridis 79.2 ± 1.5 76.2 ± 2.3 1.280 1,46 0.274 Olla v-nigrum 65.8 ± 2.8 66.5 ± 2.8 0.031 1,51 0.862