Aqueous pesticidal solutions containing polyethylene glycol

An aqueous pesticidal solution for the treatment of the skin and costs of domesticated animals to kill fleas, ticks, lice, mites, cattle face flies and hornflies consisting essentially of a solution of about 5 to 15 weight percent of o-isopropoxyphenyl methycarbamate and about 95 to 85 weight percent polyethylene glycol having a molecular weight of about 200 to 600 dissolved in about 10 to 50 parts by weight water per part of the combined weights of said o-isopropoxyphenyl methylcarbamate and said polyethylene glycol.