Abstract
Protection from acarids, insects, and annelids is achieved mainly by treatment of the clothing with repellents. When properly used they will provide a high degree of comfort in the presence of large numbers of blood-sucking arthropods. None of our present repellents are completely satisfactory, but the better repellents are: for ticks[long dash]diethyltoluamide (deet) (N,N-diethyl-m-toluamide), Indalone (butyl-3,4-dihydro-2,2-dimethyl-4-oxo-2H-pyran-6-carboxylate), dimethyl carbate, and benzyl benzoate; for fleas[long dash]deet and benzyl benzoate; for chiggers (larvae of trombiculid mites)[long dash]dimethyl phthalate, ethyl hexanediol, or any of the tick repellents; for leeches[long dash]deet and benzyl benzoate. The only chigger repellent remaining effective after rinsing and washing in water is benzyl benzoate.

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