The present invention provides an agrochemical composition having excellent efficacy, which comprises, as active ingredient, 2-(2,6-difluorophenyl)-4-[4-(1,1-dimethylethyl)-2-ethoxyphenyl]-4,5-dihydrooxazole. The aqueous agrochemical suspension composition comprising 2-(2,6-difluorophenyl)-4-[4-(1,1-dimethylethyl)-2-ethoxyphenyl]-4,5-dihydrooxazole, at least one kind of alcohol selected from the group consisting of ethylene glycol, propylene glycol and glycerin, an inorganic thickener and a dispersant shows excellent efficacy.