Drain Fly Control

Also known as: moth flies; sewer flies; filter flies


At DoMyOwnPestControl.com we provide the professional do-it-yourself drain fly control products and friendly expertise to help you solve your drain fly problem. Read on to learn more about drain fly identification, drain fly biology, how to get rid of drain flies, and drain fly control.

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• Drain flies are tiny, only 1/5 to 1/6 inch in length
• Body is dark or grayish in color, and appears “fuzzy” (densely covered with hair)
• Wings appear moth-like and too large for body
• Drain flies fly in a jerky, irregular patterns
• Eggs are brown to cream in color, tiny in size, and laid in masses of 10 to 200
• Antennae are long with 13 segments
  
  

Behavior & Habitat

• Drain flies are most active in the evening when they congregate around sinks and drains.

• Moist organic materials--such as the slime that accumulates on the side of bathroom and kitchen drains, sewage disposal beds, rain barrels, and garbage cans-- are the preferred living and breeding grounds of drain flies.
  
  

Feeding Habits

• Drain flies feed on moist, organic materials such as decaying vegetation, and other microscopic plants and animals.
  

Life Cycle

• Eggs planted in moist organic materials may hatch in as little as 32 to 48 hours at 70 degrees F.

• Drain fly larvae reach reproductive maturity in 9 to 15 days.

• Drain flies have a life cycle of 1 to 3 weeks, with adult living about two weeks before dying.
  

Damage

• Drain flies tend to appear rather mysteriously and suddenly, multiplying quickly and becoming a nuisance by their numbers.

• Drain flies originate in filth, and carry diseases that may possibly be transmitted to humans.

• Drain flies do not bite.

• The presence of drain flies in large numbers may cause or intensify bronchial asthma.
  

How to Get Rid of Drain Flies:

1. Thoroughly coat inside of all drains with Drain Gel during down time (in a restaurant this would usually be at night) and repeat treatment nightly for one to two weeks. Coupled with good sanitation, this treatment is usually adequate to completely eliminate drain flies.
   
   
2. Drain flies rest around the sink area during the day. Placing glue boards around infested drains near fly resting areas will capture most of the adult flies. You can also spray around the drain and sink with a residual aerosol such as Invader HPX. These products can help ease the infestation while the drain gel does its job.