noun
electric bug killer; insectocutor
A device that attracts and kills insects with an electric shock, often using ultraviolet light.
夏になると、電撃殺虫器をベランダに置く。
In summer, I put an electric bug killer on the balcony.
Compound of 電撃 (electric shock) + 殺虫 (insect killing) + 器 (device).