Monday, April 22, 2024

Mosquito Awareness Week: Culex Mosquito


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The Culex mosquito is one of three found in Barbados, along with the Anopheles and Aedes Aegypti.

It is brownish/grey in colour and is active between 6 p.m. and 7 a.m. because it does not like light.

There are two strains of culex – the culex quinquefasciatis and the culex pipiens.

In water, the larvae are at a 45 degree angle because they breathe through a siphon tube. Since this is bent, the larvae must be positioned at an angle to get air when they come to the surface.

Culex mosquitoes breeds in any type of water. 

Read about the Aedes Aegypti Mosquito.

Read about the Anopheles Mosquito.

See below for some of the diseases the Culex mosquito spreads.


The Culex is responsible for the spread of several diseases.

Elephantiasis is caused by a swelling of the lymph nodes in the feet, arm, neck and testicles.

The West Nile Virus is spread after the mosquito bites an infected bird like an egret, macaw or parrot.

Filariasis is another disease spread by the culex mosquito. Larvae from roundworms, which are in the blood of the infected host, are taken up by mosquitoes. The roundworm larvae can be spread through the bite. Lymphatic filariasis is similar to elephantiasis in that it infects the lymph nodes. Other forms affect the eyes and can cause river blindness.

Equine encephalitis is spread when a mosquito has bitten an infected horse. It affects the brain. (Nation Online)


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