An arthropod pest control composition comprising a cyanamide compound represented by the formula (1): one or more insect growth regulating compounds selected from Group (A), and one or more sheath blight control compounds selected from Group (B): Group (A): a group consisting of methoxyfenozide, chromafenozide, and tebufenozide, and Group (B): a group consisting of flutolanil, pencycuron, N- [2-(1,3-dimethylbutyl)phenyl]-5-fluoro-l,3-dimethyl-lH- pyrazole-4-carboxamide, furametpyr, and validamycin A.
