The present invention provides an insect-proofing film and an insect-proofing cover capable of preventing flying insects from being attracted to or flying towards a light-emitting body, an indoor space, or crops, and specifically provides the insect-proofing film and the insect-proofing cover containing at least one triazine-based compound represented by general formula (1). (In general formula (1), R1-R3 represent a straight-chain or branched C1-12 alkyl group, etc., and R4-R6 represents a C1-8 alkyl group or a C2-8 alkenyl group, etc.).本發明提供一種能夠防止飛翔昆蟲向發光體或室內、農作物之引誘、或飛來之防蟲膜及防蟲蓋，具體而言，提供一種含有下述通式(1)所表示之三系化合物之一種以上之防蟲膜及防蟲蓋。(通式(1)中，R1~R3表示碳原子數1~12之直鏈或支鏈之烷基等，R4~R6表示碳原子數1~8之烷基或碳原子數2~8之烯基等)
