The present invention relates to compositions comprising, 1) as component I a compound selected from compounds I-1 to I-31, and 2) as component II a compound of formula II, and uses and methods for combatting harmful pests using the inventive compositions, such as phythopathogenic fungi and/or for the control of insects, acarids or nematodes. Furthermore, the present invention provides methods for improving the health of a plant using the inventive compositions.