But the mosquito explosion can subside.
The warm dry weather affects the longevity of mosquitoes.
If the warm dry weather continues, the mosquitoes live a much shorter time.
- Mosquitoes have a limited lifespan.
If it is a little cooler, they are not as aggressive, but live longer.
If it gets hot, they start at a sky-high speed but burn out quite quickly and do not live as long, says Jan O Lundström, who is the operations manager for the Biological Mosquito Control project.
Hear the expert in the clip above about why there can be so many mosquitoes in the north this summer and when it will be at its worst.