Delphinia picta is a species of picture-winged fly in the family Ulidiidae. It is sometimes mistaken for a species of fruit fly, but D. ... picta do not feed on living plant matter, as they are detritivores and eat decaying plant matter.

Does Delphinia picta sting?

Its overall length is 3/8" to 1/2" with a 1/2" wingspan. It looks as if it may be capable of stinging but is not aggressive and will fly off a few feet when approached.

Are picture-winged flies harmful?

Picture-winged flies are not medically or economically important pests. They are harmless to humans and pets, and they do not bite or transmit any kind of disease.