face flies

Related to face flies: cluster flies, stable flies

face flies

pl n
(Veterinary Science) flies (musca autumnalis) that attack cattle, feeding off their eye secretions
References in periodicals archive ?
In cattle, this may be mistaken for pinkeye, but pinkeye is generally a summer problem when face flies spread infection from animal to animal.
An Oregon woman became the first human ever to be infected by a type of eye worm previously seen only in cattle after 14 "Thelazia gulosa" worms were removed from her eye, reports said Monday. The woman, Abby Beckley, was diagnosed in August 2016 with the genus of nematode worms, which is spread by a type of fly called "face flies," that feed on eyeball lubrication.
They are spread by a type of fly known as "face flies." The flies feed on the tears that lubricate the eyeball, scientists said.
Other infectious and physical factors may increase the severity and the susceptibility to the disease, including viral and Mycoplasmal infections, trauma to the eye, flies especially face flies (Musca autumnalis), ultraviolet light, dust and pollens.
Face flies constantly alight around the eyes, nose and mouth of cattle, feeding on their tears, saliva, mucus, blood and excrement.
It also controls Gulf Coast ticks and spinose ear ticks and is effective against American dog ticks, cattle fever ticks, lone star ticks, and face flies.
Face flies, usually a pest of cattle, may also affect horses, particularly when cattle are nearby.
They are also less bothered by face flies and bottle flies, thanks to their hair, though zebu are an exception since they also lack long hair.
These include viral and Mycoplasmal infections; flies especially face flies, ultraviolet light, dust and pollens.
For years I had a terrible problem with face flies, deer flies and ticks.
Things that cause trauma include high levels of ultraviolet light, infections by viruses and mycoplasma bacteria, plant pollens, tall grasses that scrape or cut the eye while the animal grazes, dusty feed, dusty or windy conditions, and face flies.