A food-grade insecticidal composition effective in controlling insects,
such as ants, aphids, mealy bugs, white flies, spider mites, leaf hoppers,
cabbage loopers, leaf eating beetles and caterpillars, cockroaches, flies,
wasps, body and head lice but which is non-toxic to humans and household
animals includes an effective insect-controlling amount of D-limonene, a
non-toxic emulsifying agent, and a non-toxic hydrophilic solvent.