Table 5.

Lower developmental thresholds (t_o), degree-day requirements (K) (means ± SD), and linear regression equations with corresponding coefficients of determination (R²) for the immature stages and for the egg-preoviposition period of L. hyalinus and N. simulans calculated for constant temperatures from 18°C (eggs) or 22°C (nymphs) to 36°C

Species	Stage	to (°C)	K(DD)	Regression equation	R 2	F-value	P-value
L. hyalinus	Egg	16.0	68.6 ± 8.0	Y = −0.2291 + 0.0143X	0.988	68350	<0.001
	Nymph	17.9	114.8 ± 20.2	Y = − 0.1569 + 0.0089X	0.942	4500	<0.001
	Egg–Nymph	17.5	181.7 ± 24.2	Y = − 0.0963 + 0.0055X	0.965	7686	<0.001
	Egg-Preoviposition	18.0	236.9 ± 38.6	Y = − 0.0759 + 0.0042X	0.956	3174	<0.001
N. simulans	Egg	16.1	77.7 ± 11.93	Y = − 0.2037 + 0.0127X	0.9784	42560	<0.001
	Nymph	19.7	190.3 ± 33.4	Y = − 0.1043 + 0.0053X	0.937	5549	<0.001
	Egg–Nymph	19.3	260.5 ± 38.4	Y = − 0.0743 + 0.0039X	0.952	7413	<0.001
	Egg-Preoviposition	19.0	301.5 ± 39.1	Y = − 0.0634 + 0.0033X	0.958	4244	<0.001