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 (I), one or more components (B) having fungicidal insecticidal activity, and their use the control of harmful insects in agrarian crops.