A difluoroalkene derivative which is sufficiently effective in controlling various pests even when used in a small dose and is highly safe for crops, natural enemies to the pests, and animals; and an intermediate for the derivative. The difluoroalkene derivative is represented by the general formula: [I] wherein L.sup.1 and L.sup.2 are the same or different and each represents oxygen or sulfur; n is an integer of 2 to 8; and Q represents a 5- to 12-membered heterocyclic group having any desired heteroatom selected among nitrogen, oxygen, and sulfur ##STR00001##