DIY Mosquito Trap

You can do it yourself (DIY) to make the mosquito trap as illustrated in the pictures. It’s so simple, with just a mix of water, brown sugar and yeast. Then you can start fighting/avoiding the spreading of Dengue fever and Malaria diseases by mosquitoes at home.

Materials used: 
  • A 2 litre empty plastic bottle (Coca-Cola/Pepsi/7Up or other brand).
  • 50 g of coarse sugar (like rock sugar etc., not the fine granulated stuff.)
  • 1 g yeast powder/ granules.
  • A thermometer, a measuring cup, a craft knife & black paper.



Cut a 2 litre empty plastic bottle into 2 halves/portions.

Dissolve 50g brown sugar in 200ml hot water. Let it cool down to ~40 degF.


Pour the cold sugar water into the lower cut portion of the bottle. Add 1g yeast power to react gradually with the sugar. Carbon dioxide (CO2) will form (This will attract the mosquitoes).


Place the upper cut portion of the bottle upside down like a funnel into the lower portion of the bottle. Ensure it is tight fit so that CO2 produced will only be coming out of the hole.

Wrap the whole bottle with black paper to make it dark inside. Place it in a dark, preferably humid corner of a room in your house.


After 2 weeks you will be surprised by the number of dead mosquitoes in your trap. Replace the sugar water and yeast every 2 weeks.

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