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Flies & Mosquitoes

Dealing with Fly Infestations & Mosquito problems in your Home

Not only are flies a nuisance, but some species of flies pose health risks. Did you know that house flies transmit a wide range of diseases including salmonella, dysentery, tuberculosis, cholera and parasitic worms, whilst tsetse flies spread the lethal sleeping sickness?

Not only is the irritation caused by mosquito bites distressing, but mosquitoes are carriers of fatal viruses such as Malaria (transmitted by the Anopheles Mosquito) and the West Nile Virus (transmitted by the Culex mosquito).

Types of flying insects

There are many different species of flies but the most common fly problems are caused by:

House Fly (Musca Domestica)



  • Houseflies: Adult house flies are 6-7mm in size. Female house flies lay 400-600 eggs in decaying matter or faeces which develop into maggot larvae. House flies are attracted to any uncovered food or organic waste.


  • Blow Flies or Bottle Flies: Adults are 6-12mm in size, usually metallic blue or green in colour, but can also be black or grey. Significant numbers of these flies in a house will often indicate a dead animal (such as a mouse) on the property.



Cluster Fly

  • Cluster Flies: Adults are 6-10mm in size. Cluster flies often take shelter over the winter inside homes (such as in attics) and can be seen in large numbers in the home as they emerge in the spring.

Other Flies found in Uganda:

  • Tsetse Flies (also known as tik-tik flies): This species is a blood-sucking fly prevalent in Sub-Saharan Africa and predominantly in Eastern Uganda. These type of flies are mostly found in fresh swamp water areas and forested areas, and are known to hide in areas such as tree trunks and between roots. Tsetse flies are around 6-15mm in size and are categorised by their forward facing mouth parts ("proboscis") and wing venation. These flies can pose a health risk as they are carries of African trypanosomiasis, also known as sleeping sickness that can be fatal if left untreated. Tsetse flies cause painful bites and prefer to feed on animals, but will also bite humans if an animal source is not available and can be detrimental to livestock.
  • Sorghum Shoot Flies: These flies are similar to the housefly, and are greyish in colour and 3-5mm in size. Females have yellow coloured abdomens with brown patches, whilst the males' abdomens are black. These flies cause great damage to sorghum crops by laying eggs in soil near the base of young shoots, or on leaves of older sorghum plants. The eggs develop into maggots which then bore into shots, causing "dead heart" causing plants to rot, wither and die.

Learn more on how to get rid of flies in the home.

Common Mosquitoes in Uganda:

Mosquitoes can be controlled as other flies

  • Aedes MosquitoAdult mosquitoes are on average 5mm in length and are found near still standing water where their larvae develop. They are known to spread Chikungunya Fever and Yellow fever. The prefer to bite before, or after sunset.


Anopheles Mosquito

  • Anopheles Mosquito: In contrast to the Aedes mosquito, this mosquito is pale in colour with dark marks on its wings and is the main vector for Malaria. It lays its eggs in stagnant water and is known to rest on the surface of water.


Culex Mosquito

  • Culex Mosquito: This mosquito is covered in brown spots, and breeds in paddy fields. This mosquito is known to transfer the West Nile Virus and Japanese B - Encephalitis.

See our guide to insect bite advice on treatment for bites and learn more about mosquito control.

If you would like further advice on how to get rid of flies or mosquitoes or to arrange a visit by a Rentokil technician, call us free on +256 414 287 160 / +256 414 694 494 or email us.