The present invention relates N-cycloalkyl-N-bicyclicmethylene-carboxamide, thiocarboxamide or N-substituted carboximidamide derivatives of formula (I) wherein A represents a carbo-linked, 5-membered heterocyclyl group, T represents O or S, Z1 represents a C3-C7-cycloalkyl group, X represents N or a CZ7 and Y1, Y2, Z2, Z3, L1 and L2 represent various substituents, their process of preparation, the preparation of 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.