Abstract: The present invention relates N-cycloalkyl-N-bicyclic-carboxamide, thiocarboxamide or N-substituted carboximidamide derivatives of formula (I) wherein A represents a carbo-linked, 5-membered heterocyclyl group; T represents O, S, N—Ra, N—ORa, N—NRaRb or N—CN; Z1 represents a C3-C7-cycloalkyl group; X represents N or a CZ7 and Z2; Z3; L1 and L2 represent various substituents; their process of preparation; preparation intermediate compounds; their use as fungicide active agents, particularly in the form of fungicide compositions and methods for the control of phytopathogenic fungi, notably of plants, using these compounds or compositions.