PROBLEM TO BE SOLVED: To provide an insect trap lighting applicable to insect traps of various shapes. An LED lighting device (50) includes a plurality of LED boards (60) having LED elements (65, 66) that emit light that attracts insects, and a holder (51) that holds the plurality of LED boards (60). Is configured to be able to hold a plurality of LED boards 60 so that the plate surfaces of at least two LED boards 60 are arranged in a V shape. The holder 51 is made of a metal having a triangular prism shape. [Selection diagram] Fig. 6【課題】種々の形状の捕虫器に適用できる捕虫用の照明を提供する。【解決手段】LED照明装置50は、虫を誘引する光を発するLED素子65,66を有する複数のLED基板60と、複数のLED基板60を保持する保持体51と、を備え、保持体51は、少なくとも2枚のLED基板60の板面がハの字状に並ぶように複数のLED基板60を保持可能に構成される。保持体51は、三角柱状の金属によって構成される。【選択図】図6