House Fly (Musca Domestia)
- Non-biting fly; measures 6 to 9 millimeters
- Most abundant insect associated with cattle but causes the least amount of harm
- May cause ear flapping, head shaking, or pen avoidance
- Larvae grow in virtually all substrates including feed, manure, and vegetation
Stable Fly (stomoxys calcitrans)
- Nuisance blood-feeding fly; measures 6 to 8 millimeters
- interrupts cattle’s normal feeding and resting activities
- Larvae grow in wet manure mixed with soil, straw, bedding material, silage, or grain
Face Fly (musca autumnalis)
- Non-biting fly; measures 6-8 millimeteres
- Direct transmitters of pinkeye in cattle
- Larvae grow in freshly deposited cattle manure
Horn Fly (haematobia irritans)
- Blood- feeding fly; measures 4 to 5 millimeters
- Stays on cattle after feeding
- Moves to the underside of cattle during rain and hot temperatures
- Carries diseases that decrease weight gain and lower milk production
- Larvae grow in cattle manure (does best in grass manure of pastured cattle)
