Organophosphorus compounds and insecticidal, acaricidal and nematocidal compositions containing same

摘要

Insecticidal, acaricidal or nematocidal compositions which comprise a series of organophosphorus compounds represented by the compounds represented by the following structural formulae: ##STR1## show excellent effect for controlling harmful insects, mites and nematodes, do not give off a bad or irritating odor and exhibit very low toxicity to warm- blooded animals.