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Warehouse Preventative Pest Control For Flying Insects

Flying insects are a pervasive cause of contamination throughout the food manufacturing, processing and distribution industry and as we enter the summer months they become even more of an issue. Their number and size make them hard to control and trap. Left unchecked they often move freely between food products and garbage, increasing the chances of spreading illness and disease.

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In Australia the main flying insect pests are flies particularly houseflies, blowflies and fermentation flies. All of them have different feeding and breeding habits.  But preventative measures, when properly deployed, will prevent all three types along with all other flying insects pests including moths, mosquitoes, wasps, bees, winged ants and termites.

Key Flying Insect Hazards for Food Businesses to Consider

  • Flying insects are highly mobile and therefore all points of entry across the entire facility need to be considered.
  • Flying insects feed indiscriminately on waste, excrement and food products, spreading bacteria between different food sources.
  • They are also carriers of other unsanitary organisms that are potentially harmful to humans. Depositing these organisms in your produce causes increased spoilage as well as increasing the risk of transmitting disease.
  • They may also embed themselves in food increasing spoilage of your food stuffs.
  • Finally food regulations dictate there must be no flying insects present in food premises. This means that all the above hazards are regulated heavily across Australia requiring you to actively control pests.

Flying Insect PreventionIn implementing any pest control programme it is important to consider preventative measures first and foremost. Strong preventative measures will reduce the need for major elimination procedures.

With this in mind we will examine some of the major prevention strategies for flying insect pests.

Reducing Flying Insect Contamination Through Structural Prevention

Widow & Door Screening

  • Reason: Windows, doors and ventilation points are key areas for flying insect ingress.
  • Action: Having Tight Fitting intact insect screens on all points of entry that are well maintained


Door Opening & Closure

  • Rapid Roller DoorsReason: Open doors are obviously a major invitation to flying insects and thus open time needs to be kept to the absolute minimum. 
  • Action: Wherever possible install and fit automated door systems that close and open with high speed and are robust enough to take impacts and keep on working. The less time the door is open the less time for flying insects to enter.


Air Curtains

  • Air CurtainsReason: Doors that must be open at all times still need a preventative barrier to stop flying insects. Air Curtains if installed correctly can provide a fast moving airstream that expels most flying insects if they try to enter. 
  • Action: Where possible install air curtains to building entry and exit points and ensure that the air curtain is operating at optimal performance and the airflow is in an outwards direction.


Strip Doors

  • Strip doorsReason: When there is an entry or exit that must remain open and air curtains are unjustified because of cost or size, strip doors can provide an adequate barrier to deter most flying insects from entry. 
  • Action: With any unprotected exit or entry install strip curtains and make sure that the strips provide a continuous visual barrier when they are hanging undisturbed.


Door and Window Seals

  • Reason: Anywhere there is a faulty seal there is a point at which flying insects may find a way into your facility. 
  • Action: Ensure that every window, door and ventilation unit is securely sealed and have no gaps around the edges. Also check to make sure all the seals are good condition and will not perish in the near future.


Air Conditioning Temperature, Efficiency and Positive Pressure

  • Reason: It has been shown that when the above conditions are met,  any environment that is cool, low in odour and comfortable to humans, that conditions are unattractive to flying insects.
  • Action: Make sure that air conditioning and ventilation systems are well maintained and providing a constant cool, low odour environment. A good sign of a well-conditioned environment is one with a slight outward flow of air when any door is partly opened.

Those are structural measures that every business should consider when building or checking their facility for pest prevention effectiveness.

Further Measures for Flying Insect Prevention

Below is a shortlist of further measures that should be in practice around your workplace.

  1. Location of Flowering Plants: They should be at least 10 metres away from any entrance or exit.
  2. Exterior Cleanliness: All external objects of furniture, pathways, garbage bins and surrounds should be kept clean and clear.
  3. Odour Management: Make sure to regularly clean exhaust outlets and filters  to rid your area of food odour.
  4. Waste Management: Always keep trash sealed in bags and skip bins and make sure it is cleared regularly before it overflows. Also all leftover liquids from beverage containers and other products should be minimised.
  5. External Lighting: Bright lights attract flies and moths, try to have the lighting facing the building.

These preventative measures are a crucial element of any pest control system. They should be matched with an effective elimination procedure to create a fully functioning pest control system. If you are interested about prevention and elimination of other pests try last week’s blog by clicking here. If you would like a more specific look at contamination prevention measures in food manufacturing feel free to download our food contamination prevention guide by clicking on the button below.

Free Guide: Contamination Prevention in Food Manufacturing

Topics: strip doors, pest control, food contamination policy, air curtains

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