| abstract |
New substituted N-phenyl-N'-fluorobenzoylureas of the formula ##STR1## wherein R 1 is a C 2 -C 3 -alkenyl group, a C 2 -C 4 -alkenyl group mono- or disubstituted by chlorine, or it is the propargyl group, R 2 and R 3 independently of one another are hydrogen or chlorine, and R 4 is hydrogen or fluorine; processes for producing the said compounds and their use for combating pests, especially for the control of insects and representatives of the order Acarina, which infest plants and animals. The new compounds also have an antifeedant action on insects which cause damage to plants. |