Synergistic compositions comprising: one component (A), consisting of the compound having formula (I) 3-difluoromethyl-N-(7-fluoro-1,1,3-trimethyl-4-indanyl)-1-methyl-4-pyrazolecarboxamide one or more components (B) having a fungicidal or insecticidal activity, and their use for the control of of harmful insects in agrarian crops.