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There are two main groups of flies which Presto-X Pest Control deals with regularly:

  • Large Flies (House Flies and Green Bottle Flies)
  • Small Flies or Gnats (Vinegar Flies, Moth Flies, Phorid Flies, and Fungus Gnats)

Signs of Activity

  • Presence of active or dead flies
  • Presence of fly larvae/maggots
  • In the case of large flies, fly specs on surfaces

Potential Harm

  • Potential for contamination of food products
  • Mechanical transfer of bacteria and/or infestation of sterile areas in health care facilities
  • Biting flies in some areas

Business Consequences

  • Liability concerns
  • Regulatory concerns (ie. Health Department or Third Party Inspectors)
  • Economic loss due to contaminated food products
  • Loss of customers
  • Aesthetics due to the presence of flies


Steps to Take

  • Identification of species
  • Location and elimination of breeding sites
  • Explore non-chemical control methods (screens, air doors, light traps, etc.)
  • Application of fly control materials, including baits and liquid applications
  • Possible use of parasitic wasp, depending on type of fly and location


Fly Control for Commercial Premises