Certain N-(substituted-aminosulfinyl)phosphonamidothioate and dithioate pesticides

A compound of the formula ##STR12## wherein R and R.sup.1 each is alkyl or alkenyl of up to six carbon atoms, phenyl or benzyl, R.sup.2 is alkyl, alkenyl or alkynyl of up to six carbon atoms, or such alkyl substituted by phenyl;

• phenyl or phenyl substituted by one to three substituents selected from alkyl of one to six carbon atoms and halogen;
• R.sup.3 is methyl;
• X is oxygen or sulfur, and R.sup.4 is ##STR13## wherein R.sup.5 is alkyl of one of five carbon atoms, Y is oxygen or sulfur and R.sup.6 is alkyl of one to six carbon atoms.