The house flies are attracted to the intense beams of UV-A from LEDs. Their eyes are sensitive to the wavelength. The reason why fly catchers have UV light is because of the same theory used to fly control.
Does UV attract flies?
According to the literature, light in the UV range is attractive to flies and other insects, but it was Thimijan and Pickens who found the most attractive wavelength.
What kind of bugs does UV light attract?
Black lights and ultraviolet lights are used by entomologists to study nocturnal insects. Night flying insects are attracted to the black light. Ultra violet light can be seen by insects, which have shorter wavelength light.
Are flies attracted to artificial light?
There are artificial lights that attract a lot of insects. Frogs and other insects can be found on your porch at night.
Do house flies fly in the dark?
The majority of flies are active during the day but inactive at night. The flies need to see through the light. They are slow and lazy because of the lower temperature at night.