Evaluation of the Toxicity of Virola sebifera Crude Extracts, Fractions and Isolated Compounds on the Nest of Leaf-Cutting Ants

Table 2

A. sexdens rubropilosa workers mortality (%) and survival median (Md) when fed with diet containing the fractions (1000 μg·mL⁻¹) of the methanol crude extract of leaves of V. sebifera.

Fractions	Days										Md
	1	2	3	6	8	10	14	17	21	25
Control	0	0	2	6	8	14	18	30	42	62	23^a
n-Hexane (IV)	0	8	18	36	54	72	82	88	92	94	8^b
Dichloromethane (V)	2	12	20	60	82	92	94	94	94	94	5^b
Ethyl acetate (VI)	0	0	4	14	36	40	60	64	82	92	12^b
Hydroalcoholic (VII)	2	3	10	14	26	32	46	50	62	76	17^b

^aControl or no significant and ^bsignificant difference according to long-rank test ().