Small Fly Development Sites and Preventing an Infestation
Small fly populations increase in the summer months. They may enter from the exterior through an open dock door or arrive on incoming shipments like fruits and vegetables. Once indoors, they will seek suitable sites and laden with the right mix of organic material to lay their eggs. All the species listed below feed on organic matter but in different stages of decay. The level of decay will dictate which fly species will develop in that material. Removal of the food source is key to small fly control. There are several species of small flies that will reproduce inside structures. These flies include: Small fruit flies (vinegar flies), Phorid flies and Drain flies.
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Control Methods for Small Flies
Sanitation and exclusion are critical in reducing small fly problems. To avoid problems with small flies, maintain high levels of sanitation. Cull fruits and vegetables in storage to remove over-ripe product. Use first in, first out rotation of stock and check incoming shipments for signs of flies. Keep doors closed when not in use and report fly sightings to your pest management professional.