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Phorid fly Megaselia spp

FLY TIPS: Phorid fly invasions are indicative of broken sewer systems. Dr. Stuart Mitchell continues the Focus on the Fly series with Phorid Fly.

Phorid fly, Megaselia spp.

Phorid flies is a common type of drain fly. Phorid flies or flying infections are mechanical vectors of many pathogens. Phorid flies frequent unsanitary sites, increasing the potential of translocating disease-causing bacteria from filth to food. Notably, within hospitals, Phorid flies may cause myiasis or parasitic larvae (maggots) infections of the body, which grow inside the host while feeding upon tissues.

Phorid fly is 0.15” long, with a wingspan of 0.40”, and possesses a dark-brown-tan thorax with distinct humped appearance. Wings have no cross veins. Each female adult Phorid fly places approximately 40 eggs, one at a time, over a period of ~12 hours, upon decaying organic matter.

En masse Phorid fly invasions are indicative of broken sewer systems. Adult Phorid flies exhibit a characteristic habit of immediately taking flight when disturbed as well as scuttling in a fast run (representative of the alias “Scuttle fly”).

Control

  • Identify the species first!
  • Go to the source of the infestation, such as blocked or broken sewer verified/located by the camera.
  • Remove sources of fly activity (practice good hygiene)
  • Exclude flies through fly-proofing (fly screens)
  • Install numerous insect light traps (ILTs) and/or EFKs
  • Install numerous Window Wonder Traps at window bases (especially southern and western exposures-pheromone compatible)

Insect light traps/Fly lights/Fly traps

Back of house efficient and reliable systems, designed for kitchen, storage, receiving area, warehouse, and many other sensitive spaces. Systems include Mantis 1×2, Mantis 2×2, Mantis Vega, and if no wall-space, no problem, the Mantis On Top Pro ES.

Front of house, aesthetically pleasing designs that blend into decor. Stand-alone, wall, or ceiling mounted systems for any front of house lobby, dining room, bar, and many other sensitive spaces. Systems include the Sunburst series, Mantis Vega, Mantis Sirius, Mantis Uplight, and if more power, no problem, the Mantis Uplight Max36.

For en masse capture, robust electronic fly lights engineered for years of optimum reliability and performance. Systems include the Titan Alpha, Titan 300, and if more coverage, no problem, the Nemesis Quattro at 1385 ft2!


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