The composition for controlling pest of the present invention contains 4-methoxymethyl-2,3,5,6-tetrafluorobenzyl 3-(2-methyl-1-propenyl)-2,2-dimethyl-cyclopropanecarboxylate represented by the formula: ##STR1## as an active ingredient.

A composição para o pest controlando da invenção atual contem 4-methoxymethyl-2,3,5,6-tetrafluorobenzyl 3-(2-methyl-1-propenyl)-2,2-dimethyl-cyclopropanecarboxylate representado pela fórmula: ## do ## STR1 como um ingrediente ativo.