The aim of this research are isolated and characterized triterpenoid from methanol extract of katemas stem {Euphorbia geniculata ortega). To evaluate toxicity of methanol exctract have been conducted mortality test against armyworm larvae {spodoptera litura). The assay was carry out with no choise test method using variances of extract methanol concentration (0%, 1%, 2%, 3%, 4%, 5%). The highes…