The head has broad, flat, grayish-white scales except for a narrow median bare stripe.

[4] It can spread the West Nile virus,[5] and can puncture clothing such as through a coat, vest, and two shirts since the species is 8 to 10 mm long.

[6] The mosquito can be found in the Southeastern United States, Mexico, the West Indies, and Central America,[4] breeding in rain pools, grassy ditches, and depressions.

[7] The larvae occur from March to October, and can be found in unshaded or partly shaded temporary rain-filled pools.

[3] To collect a field sample, a long-handled dipper causes a minimum of disturbance to the larvae.