Mosquito types and life cycle

Mosquitoes are one of the most annoying insects that exist. Not only that they annoy, but that they are deadly and every year many people die because of their bites. No diseases are transmitted by them in the UK, but it is very good to have in mind their life cycle in order to control their population.

Life cycle

A mosquito’s life cycle can be divided into different stages, such as:

Mosquito eggs

Eggs are laid in different surfaces, such as still water, or places where they are going to be able to get it. This is going to happen only after the female has fed. They are usually laid in groups, although they can be found as single eggs spread around different places.


After the egg hatches, larvae are going to be inside the water in order for them to develop and grow. They need air to live, so often you’ll find them hanging up to the surface, a little bit beneath it. This stage is going to last up to 14 days depending of the species, it can even finish as early as after 4 days the egg has hatched.


Once they have moult enough times, larvae will turn into pupa. In this stage, they will still need some air to live, although they can move deep into the water with the sudden tumbling motion. Going deeper in the water means that hey can stay away from birds. They can stay in that form for a minimum of 4 days, and up to 14 days.


After several days have passed, pupas will cease to exist, and it will split so the adult mosquito is free. When this happens, they are going to go immediately to where females are, and in the meantime, feed off humans and other preys. This is the only stage ins their lifespan where they can transmit diseases.

This is the complete cycle off the mosquito. And, as we have said before, some stages can be different because of the species. There are different types of mosquitoes.

Common mosquitoes

This is the one we can find in many places throughout the UK. It is important to know that they are brownish, having a beige abdomen with dark legs and grey wings. They measure up to 4 mm in terms of the females. Although there haven’t been any known cases of a person catching West Nile disease transmitted in the UK by a mosquito bite, that doesn’t mean they can’t be a vector of one.

Asian Tiger Mosquito

Although it doesn’t appear as though this mosquito has established breeding colonies around the UK, sightings of this animal have been reported. As its name suggests, this type of insect has considerable stripes around its body, even though this is not the only mosquito to have them. This is the most dangerous type because it is known to carry parasites, which tend to spread diseases such as the West Nile disease, Zika and dengue fever, which are really harmful.

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