House Fly
 
Flies are commonly found in close association with human dwellings. They are common in lowlands and highlands, particularly abundant in poultry, dairy, pigs and agriculture farms, dumping grounds and also slaughter houses.

These flies are both a nuisance, repeatedly landing on people and food items, and a contributory factor in transmission of certain diseases such as cholera, dysentery and typhoid fever to people via food.

The housefly develop/breed in materials such as animal excrement, decaying lawn clippings, sewage, garbage, rotting vegetables & fruits and other decomposing organic matter. Flies can have a negative psychological impact because their presence is considered a sign of unhygienic conditions, especially in homes, restaurants, hotels and all other food outlets.
 

Flies are classified under the order Diptera and some of the common species found in Malaysia in association with house flies are:

  • Green Bottle Fly;
  • Bronze Bottle Fly;
  • Flesh Fly;
  • Black Garbage Fly;
  • Little House Fly;
  • Stable Fly
 
   
         
Black Garbage fly
 
Flesh Fly
 
Little House Fly
 
   
         
Stable Fly
  Bronze Bottle Fly  
Green Bottle Fly
         
       
         
  House Fly  
 
Flies are distinguished from other insects in that they have only one pair of wings. The second hind pair of wings has been modified into small balancing organs known as Halters.

During the daytime houseflies spend their time outdoors or in covered areas near the open air. When they are not feeding or dreeding, they are found on floors, tables, walls, ceilings, and other interior surfaces as well as outdoors on ground, in low vegetation, fences and other sites.

In animal sheds, the houseflies spend most of the day time on warm skin of animals or on partitions. During night, houseflies are inactive and rest on ceilings & other overhead structures.
 
Control of House Flies
 

Generally there are five (5) Control Methods for Flies :

 

Sanitation

Effective sanitation measures and proper policing of grounds are of primary importance in fly controlĀ  management. With proper sanitation, less dependence need be placed on insecticides. Elimination of all sources of attraction, e.g fermenting or decaying organic matter, is essential. Effective disposal methods must be used for garbage, nonsalvable compressible waste, animal excrement and rubbish.

 

Exclusion

Flies can be kept outside of homes by use of window and door screens. Beaded curtains are an alternative to screens. High velocity electric fans placed over doors or in position that blow direct air current against the doorway, tend to also prevent flies from entering. This method can be used for fly control in food service facilities & hotels.

 

Non-Chemical Measures

The use of devices such as ultraviolet light traps, sticky fly traps, fly swatters, and baited flytraps can eliminate many flies indoor situation. Fly swatter is the most economical control method for the occasional fly.

MAXPRO entomologist will be able to advice clients in detail on non-chemical methods that can be employed in livestock facilities in controlling flies.

 
 
 

Chemical Control

Should sanitation & exclusion measures are found to be inadequate, application of residual insecticides may be necessary to provide a satisfactory level of fly control.

Generally, MAXPRO applies five (5) main methods of chemical control as shown below :

 

Treatment of breeding places with larvicides

We saturate the breeding ground with larvicides to a depth of 50mm to 75mm. We also use Insect Growth Regulators such as chitin synthesis inhibitors to give effective control of larval development to adult stages.

 

Treatment of resting sites & other surfaces frequented by flies with residual insecticides

Treatment with residual insecticides is normally carried out frequently, once a month or once in two (2) months. This is because sunlight, high temperatures and rain causes residual sprays to break down or wash away.

 

Introducing toxic materials in resting places

Mainly impregnated strips, cords etc.

 

Attracting Flies with toxic baits

Insecticide baits can be used to aid in house fly control. Baits are normally distributed where flies congregate inside and outside buildings. Baits by themselves seldom achieve fly control, therefore at MAXPRO, we use them in conjunction with residual or space sprays, especially for restaurants & food outletssprays to break down or wash away.

 
 
 

Space treatments indoors & outdoors and direct spraying towards fly aggregation

Space sprays are Insecticide with excellent fly knockdown properties such as the pyrethroids, but have little residual activity value. These sprays are applied using mist blowers, fogging, or ultra low volume (ULV) foggers.

 
 
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