Types of Mosquitoes – Culex tarsalis

Types of Mosquitoes

There are about 200 kinds of mosquitoes in the U.S.; each has its own special characteristics and behaviors. Shown here are seven types that are likely to be the most common and important public health mosquito species in your area.  Select a type of mosquito to learn more.


Physical Characteristics of
Culex tarsalis

Small brown mosquito with pale median band on proboscis, pale bands over tarsal joints and white stripes or spots on the outer surface of the hind femur and hindtibia .

Culex tarsalis

Culex tarsalis is the most important carrier of mosquito-borne viruses in the western U.S. They can be found breeding in any sort of standing water, but are especially common in agriculture ditches and poorly drained pastures. They also can breed in backyard containers.

Tarsalis is a strong flier and may move as far as 2 to 10 miles from its breeding site. It is an important carrier of mosquito-borne viruses in the western U.S., especially West Nile virus, Western equine and St. Louis encephalitis.