Dallas, Texas had an outbreak of West Nile virus, a virus spread by mosquitos, in 2012. In 2012, the mosquito population increased dramatically. What are the limiting factors for these mosquitos? What changed in Dallas between 2011 and 2012?

A sample answer should include the following:

Limiting factors for this population:

Food source
Temperature
Mates
Space
Differences in Dallas between 2011 and 2012:

2012 was very hot in the Dallas area compared to 2011.
In 2012, Dallas had a drought, while the area had more rain in 2011.