![]() ![]() Fruit & Vegetable Crops Show Fruit & Vegetable Crops submenu.Farm & Ranch Stress Assistance Network (FRSAN).Farmer Support Networks Show Farmer Support Networks submenu.Dairy, Livestock & Forage Crops Show Dairy, Livestock & Forage Crops submenu.Agricultural Business Management Show Agricultural Business Management submenu.Agriculture & Gardens Show Agriculture & Gardens submenu.Using the same material repeatedly can cause house flies to become resistant to the pesticide.įor a more personalized recommendation consult your county Agricultural Field Specialist. ![]() When using chemical sprays, it is important to rotate the insecticides you use, between materials with different modes of action. Chemical Control - When necessary, insecticides can be used.Biological control - In some livestock farm settings, purchasing and releasing parasitic wasps (several species are available commercially) can be an effective control if done properly.A count of 100 or more fecal or vomit spots per card per week indicates a high level of fly activity and a need for control. A minimum of five cards should be placed in each animal facility and left in place for seven days. Spot cards are 3” by 5” white index cards attached to fly resting surface. Monitoring - Monitor flies with white sticky spot cards on livestock facilities.Cultural Practices - Never use straw as bedding as it is a favorite breeding material for these flies.Composting manure can be effective if proper temperatures are reached. Manure spreading helps to reduce breeding by drying out the material. Removal of manure bi-weekly, prevention of waste buildup, screening of the area, and hauling of the manure are good practices to employ. Sanitation - One of the most important practices for fly control is sanitation.Credit: Jim Baker, North Carolina State University. There are six to eight generations per year. Depending on temperature and humidity, the adult emerges from the pupal case in three days to four weeks. Before pupating, the larva migrates to a drier locality at the edge of its breeding habitat. Under favorable conditions, the larva goes through three stages of development in 3 to 7 days. The maggot emerges in 8 to 20 hours and begins feeding. When piled up and allowed to remain moist, these materials provide ideal breeding sites for house flies and other pest flies. The eggs are deposited in moist materials, such as fresh manure (less than one day old), manure mixed with hay or straw, and waste grains, hay, or straw. The female deposits these eggs 4 to 12 days after emerging from its pupal case. Some adults can survive the winter in heated buildings.Įach female lays from 75-150 eggs per cluster and in its lifetime will deposit from 350 to 900 eggs. In New Hampshire, house flies overwinter outdoors as pupae in such habitats as manure piles and organic debris. Credit: Clemson University - USDA CooperativeĮxtension Slide Series,. ![]()
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