To provide a mosquito attractant that has a high attractiveness to both male and female mosquitoes.SOLUTION: Provided are: a mosquito attractant comprising concentrated juice having a Brix value of 15% or more; and a method for producing mosquito attractant comprising removing water content from juice-containing liquid to make Brix value 15% or more.SELECTED DRAWING: None【課題】オスの蚊類とメスの蚊類のいずれに対しても高い誘引性を示す蚊類誘引剤を提供すること。【解決手段】Brix値が15%以上の濃縮果汁からなる蚊類誘引剤、並びに、果汁含有液の水分を除去してBrix値を15%以上とすることを含む蚊類誘引剤の製造方法。【選択図】なし