Table 2 Landscape effects on the Asian corn borer (Ostrinia furnacalis, ACB) and yellow peach moth (Conogethes punctiferalis, YPM): proportion maize in county, proportion of cropland at the 1–3 km radius.

Response	Predictors	df, n	F-statistic	P	r²
ACB in 2016	Maize	1, 80	0.23	0.634	0.003
	Cropland_1km	1, 80	0.06	0.807	0.001
	Cropland_2km	1, 80	0.05	0.824	0.001
	Cropland_3km	1, 80	<0.001	0.994	<0.001
ACB in 2017	Maize	1, 94	6.59	0.012	0.066
	Cropland_1km	1, 95	8.29	0.005	0.080
	Cropland_2km	1, 95	13.10	<0.001	0.121
	Cropland_3km	1, 95	11.39	0.001	0.107
YPM in 2016	Maize	1, 80	26.01	<0.001	0.245
	Cropland_1km	1, 80	0.12	0.735	0.001
	Cropland_2km	1, 80	0.41	0.525	0.005
	Cropland_3km	1, 80	0.06	0.809	0.001
YPM in 2017	Maize	1, 94	11.85	<0.001	0.112
	Cropland_1km	1, 95	5.90	0.017	0.058
	Cropland_2km	1, 95	10.32	0.002	0.098
	Cropland_3km	1, 95	12.36	<0.001	0.115

Displayed are degrees of freedom (df) of n replicates, F-statistic, P-values and r² for each model. Significant P-values (P < 0.05) are highlighted in bold.

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