There is provided an aqueous suspension agrochemical composition including (Z)-4-[5-(3,5-dichlorophenyl)-5-trifluoromethyl-4,5-dihydroisoxazol-3-yl]-N-(methoxyiminomethyl)-2-methylbenzamide, a thickener, a surfactant, and water, which is excellent in homogeneity stability during storage, and simultaneously excellent in ease of discharge from a storage container. An aqueous suspension agrochemical composition comprising (a) (Z)-4-[5-(3,5-dichlorophenyl)-5-trifluoromethyl-4,5-dihydroisoxazol-3-yl]-N-(methoxyiminomethyl)-2-methylbenzamide, (b) xanthan gum, (c) a surfactant, and (d) water, wherein the xanthan gum is contained in an amount of 0.15 to 0.65% by mass in the aqueous suspension agrochemical composition. The surfactant is preferably one selected from the group consisting of polyoxyethylene styryl phenyl ethers, polyoxyethylene polyoxypropylene block polymers, and mixtures thereof.
