There are a few conditions that must be met before mosquitoes can successfully breed and reproduce.
First, there must be a suitable host animal that the mosquito can bite and extract blood from, which will be used for the process of creating eggs.
Second, there must be a standing water source such as a pond or a stagnant creek, as this is where the mosquito lays her eggs.
The mosquito larvae and pupa make their home just underneath the surface of this water source as they are developing into adults.
Finally, there must be an adult female mosquito capable of reproduction, and there must be a swarm of male mosquitoes that the female can fly into in order to breed.