VECTOR INFORMATION: COMMON FLIES IN THE UNITED STATES Common name Face Fly Horn Fly Horse Fly; Deer Fly House Fly Stable Fly Scientifi c name Musca autumnalis Haematobia irritans Tabanids Musca domestica Stomoxys calcitrans Chrysops Disease(s) spread Pink eye (Moraxella bovis Contagious mastitis Anaplasmosis (Anaplasma Crypto (Cryptosporidium Anthrax (Bacillus anthracis), by the vector and others), Summer (Staphylococcus aureus, marginale, A. centrale, & parvum), Salmonellosis, brucellosis (Brucella abortus) mastitis (Corynebacterium Environmental mastitis A. caudatum) Mastitis, Pinkeye pyogenes), Eye worm (Streptococcus spp.) (Moraxella bovis and (Thelazia lacrymalis) others) Eggs deposited Cattle manure Cattle manure Vegetation near Surface of decomposing Moist decaying straw, or over water garbage, animal manure, hay, silage, grain, poorly bedding managed compost piles Adults live Pastures not confi nement; The backs of adult cattle, In animal and human areas; In animal housing areas, In animal housing areas Spend very little time on sides, belly, udder, teats strong fl iers homes faces of animals Female adults Tears, saliva, nasal mucus, Blood (feed 20-30 times Blood Animal and human food, Blood, aggressive biters feed on: blood from wounds, sweat, a day) carcasses, manure, excrement on hair and garbage Life cycle in 3 weeks 10-20 days Larva—2-12 months 10-21 days 3 weeks warm weather Adults—30-60 days Environmental control Manure management Manure management Diffi cult Manure, feed and garbage Feed and bedding management management Chemical control Dusters, oilers, impregnated Dusters, oilers, impregnated Animal sprays Surface sprays, fl y bait, Surface sprays, fl y bait, ear tags, feed additives ear tags, feed additives animal sprays animal sprays See the Fly Control Measures handout for more specifi c recommendations about insect management. It is a violation of state and federal law to use a pesticide in any manner that diff ers from the product label. Use only according to label directions to avoid meat or milk residue hazards, environmental damage, and animal or human injury. common_fl ies_US.