Abstract: The present invention provides an aryloxyurea compound or salt thereof, and a pest control agent including the aryloxyurea compound or salt thereof as an active ingredient. The aryloxyurea compound has a superior acaricidal and/or insecticidal activity, superior safety, and can be synthesized advantageously and industrially. The compound of the present invention includes aryloxyurea compounds represented by the following formula or salts thereof: in the formula, Cy represents an unsubstituted or X-substituted phenyl group or the like, X represents a halogen atom or the like, R1 represents an ethyl group or the like, R2 represents a hydrogen atom or the like, R3 and R4 represents a methyl group or the like, X1 represents a methylthio group or the like, m1 represents an integer of 1 to 4, X2 represents a methyl group or the like, m2 is an integer of 0 to 3.