An object is to provide a high insect control effect on larvae of stored grain insect pests that occur in a deposit of grain powder, which have been difficult to control by 5 conventional insecticide application or fumigant treatment, and make it possible to easily carry out control even in places that are difficult to clean to remove grain powder. A three-dimensional insect control sheet (10) contains an insect growth regulator at least in a front surface (la) and has a 10 three-dimensional surface that forms a structure with an irregular profile. The front surface (la) is at least part of the surface with the irregular profile.