Abstract: To provide a novel, small and thin insect attractor that effectively attracts insects regardless of installation location. An insect attractor having a rear panel, a front panel, and a light emitting unit is provided. The rear panel is attached to an installation surface of a site. The front panel is disposed to face the rear panel. The light emitting unit is disposed between the rear panel and the front panel. The light emitting unit includes a cylindrical portion whose both ends face the rear panel and the front panel, and emits light that attracts insects from an outer surface of the cylindrical portion toward the periphery.