Table 3 Mean numbers ( SEM) of Cycloneda sanguinea and Harmonia axyridis adults (n = 20) observed on treated versus control surfaces of Petri dish arenas over a series of 12 observations. Data were compared using a paired t-test.

C. sanguinea H. axyridis Compound Control Treatment t P Control Treatment t P fosetyl-Al 5.8 0.41 10.0 0.51 6.934 <0.001 5.6 0.91 10.6 0.57 6.195 <0.001 azoxystrobin 5.3 0.58 12.2 0.77 5.297 <0.001 9.0 0.55 7.9 0.80 0.969 0.353 benomyl 9.2 0.72 8.2 0.95 0.646 0.531 8.0 0.47 9.7 0.41 2.500 0.030 fenbuconazole 9.0 0.54 9.3 0.43 0.437 0.670 7.3 0.75 9.5 0.54 1.868 0.089 ferbam 5.3 0.54 9.3 0.51 5.745 <0.001 8.3 0.69 8.9 0.54 0.601 0.560 Cu + pet. oil 6.8 0.56 6.9 0.72 0.076 0.940 5.3 0.72 9.9 0.70 3.496 0.005 neem oil 8.1 0.40 9.9 0.50 2.390 0.036 9.6 0.58 8.0 0.49 1.566 0.146 mefenoxam 6.8 0.49 11.9 0.48 5.702 <0.001 7.8 0.59 8.7 0.75 0.731 0.480