Spinosad combined with entomopathogenic nematode for biocontrol of the Mediterranean fruit fly (Ceratitis capitata [Wiedemann]) on citrus

Egyptian Journal of Biological Pest Control

Table 2 Probit analysis for two Ceratitis capitata strains treated with different concentrations of spinosad

Strain	Slope ± Standard Error	LC₅₀ as ppm (95% CI)^a	LC₉₀ as ppm (95% Cl)	Variance	Chi-square	RR^b
Laboratory	2.853 ± 0.001	4.78 (4.96–4.59)	5.30 (9.45–3.35)	0.000072	0.00098	–
Field	8.09 ± 0.39	8.12 (9.25–6.99)	11.69 (19.8–3.25)	0.00095	0.00	1.7