A comparative study of two-sex life table parameters of Orius laevigatus fieber (Hemiptera: anthocoridae) on two mealybug species, Planococcus citri Risso, and P. solenopsis Tinsley (Hemiptera: Pseudococcidae)

Egyptian Journal of Biological Pest Control

Table 4 Life table parameters of Orius laevigatus on different prey

Prey	The intrinsic rate of increase (r)(day⁻¹)	Net reproduction rate (R₀) (offspring/female)	Finite rate of increase (λ) (day⁻¹)	Gross reproductive rate (GRR) (offspring/female)	Mean generation time (T) (day)
Phenacoccus solenopsis	0.084 ± 0.006b*	17.27 ± 3.57b	1.088 ± 0.007b	22.37 ± 4.09b	33.56 ± 0.30a
Planococcus citri	0.069 ± 0.006b	11.05 ± 2.30c	1.072 ± 0.006b	15.29 ± 2.83b	34.42 ± 0.59a
Ephestia kuehniella (Control)	0.172 ± 0.009a	57.23 ± 11.35a	1.188 ± 0.011a	71.42 ± 12.32a	23.41 ± 0.30b

*Means followed by the same letters in the same column are not significantly different based on the paired bootstrap test at the 5% significance level