Table 3.

Index of food inhibition (FII) by plant extracts on D. neivai (Coleoptera: Chrysomelidae) adults (P < 0.05, compared by Wilcoxon)

Extract	Concentration	P < 0.05	FII (%)
Ar. absinthium	LC50	0.001	—
	LC90	<0.0001	11.33
Az. indica	LC50	<0.0001	35.85
	LC90	<0.0001	70.49
Ca. annuum	LC50	<0.0001	61.12
	LC90	<0.0001	95.76
Ci. sinensis	LC50	<0.0001	45.08
	LC90	<0.0001	79.71
N. tabacum	LC50	<0.0001	65.37
	LC90	<0.0001	100.00
R. communis	LC50	<0.0001	63.05
	LC90	<0.0001	100.00