7 Fly Facts
Beyond being an annoyance – Flies can transmit diseases like Equine Infectious Anemia (EIA)
and Potomac Horse Fever (PHF), anthrax, hog cholera and tularemia.
Fly Fact #1:
Flies hunt by sight.
They hunt only during daylight hours.
Fly Fact #2:
Flies eyesight is limited ~ so they generally avoid very dark places and dark animals or objects ~ which appear to flies as ‘dark holes’.
Subsequently light colored horses generally suffer more from fly bites.
Fly Fact #3:
Only the female horse fly bites warm blooded mammals ~ with the intention to feed on blood.
Your best defense to seizing control is your ability to trap the female flies before they have the opportunity to bite/reproduce.
Fly Fact #4:
The horse & deer fly can suck blood for several minutes.
Fly Fact #5:
Fly sprays are generally ineffective when it comes to horse flies.
Flies are able to return within minutes of a newly insecticide sprayed area.
Fly Fact #6:
Both horse flies and deer flies deposit eggs on vegetation around moist soil and/or near water.
The larvae burrows down into the soil and feeds on organic matter.
The larvae mature into flies in mid to late Spring.
Fly Fact #7:
Adult flies are strong fliers with an ability to travel long distances from breeding sites.