Research Article

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

Table 1

A. sexdens rubropilosa workers mortality (%) and survival median (Md) when fed with diet containing crude extracts (2000 μg·mL−1) from V. sebifera.

Crude extractsDaysMd
123681014172125

Control28142236364252627217a
Dichloromethane leaves (I)01018406492981001001007.5b
Methanol leaves (II)0242038607070767810a
Ethanol branches (III)210143242485864646611a

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