US Patent 10178861 Fly catcher

A fly catcher includes a housing having an orifice formed in an upper peripheral portion and communicating with an inner chamber of the housing, and a cover includes a lower peripheral portion rotatably engaged with the upper peripheral portion of the housing, the cover includes an opening for selectively aligning with the orifice of the housing when the cover is rotated relative to the housing, and the cover includes a casing extended from an upper portion into the cover, and the casing includes an aperture for guiding a fly or mosquito into the cover and the housing. The cover includes a key slidably engaged with a channel of the housing for guiding and limiting the cover to rotate relative to the housing.