Indoor pest repellent device, indoor pest elimination device, and method for repelling pests indoors

摘要

This indoor pest repellent device (10) is provided with: a light source (11); a light concentrating part (the first light concentrating part (13)) which concentrates a portion of diffused light (LS) emitted from the light source (11); and a first displacement unit (the rotation mechanism (14)) which changes the relative position of the first light concentrating part (13) relative to the light source (11), and which displaces the irradiation region (the light irradiation region (SP1)) of the light from the first light concentrating part (13), said irradiation region being formed on a floor. The light concentrating part is provided with a convex lens.