Compounds having the structural formula ##STR1## where X, Y, R and Z are defined in the specification are disclosed. The compounds of this invention are effective for controlling mites, nematodes, rice planthopper, tobacco budworm, and southern corn rootworm. Methods for making these compounds are also set forth.
The present invention provides N-biphenylthiohydrazone derivatives of formula I
and compositions and methods for the use thereof in the control of insect and acarid pests and for the protection of crops therefrom.