Organic insecticide

A method of eradicating soft-bodied insects including said insects, insect larvae and insect eggs by contacting said insects with an insecticidally effective amount of aqueous solution consisting essentially of a mixture of cacti extract of opuntia cactus present in an amount of 8% to 12% and tannin present in an amount of 0.1% and 0.5% by weight of total solution,

• said solution being prepared by compressing a mulch of said cactus to produce an extract thereof, adding water to the extract, heating the extract and water to boiling temperature, cooling the heated extract and water and then adding the tannin to the cooled solution.