PROBLEM TO BE SOLVED: To provide a mosquito larva suppression tool capable of copper of various shapes and sizes.SOLUTION: A mosquito larva suppression tool 20 to be attached to a drainage measure 10 comprises: a housing part 21 for allowing water to flow in and out and a copper ion generating member 24 dipped in the water in the drainage measure 10 while being accommodated in the housing part 21.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2016,JPO&INPIT【課題】種々の形状や大きさを有する銅を利用可能なボウフラ発生抑制具を提供する。【解決手段】排水ます10に設けられるボウフラ発生抑制具20であって、水が出入り可能な収容部21と、収容部21に収容された状態で、排水ます10内の水に浸漬される銅イオン発生部材24と、を備える。【選択図】図1
