The present invention relates to novel insecticidally and acaricidally active compound combinations of N.sup.2-[1,1-dimethyl-2-(methylsulphonyl)ethyl]-3-iodo-N.sup.1-{2-methyl-- 4-[1,2,2,2-tetrafluoro-1-(trifluoromethyl)ethyl]phenyl}phthalamide of the formula (I) and active compounds identified in the disclosure.