It is widespread in Florida, but rare in the northeastern United States.

They take blood meals from birds, mammals, amphibians, and reptiles.

The mosquito is frequently infected with the virus EEEV, and may be a public health concern for its potential to transmit this arbovirus to people.

[2] Culex erraticus mosquitoes lay eggs in floating clusters called “egg rafts” on the surface of standing water, usually by laying them on the edges of aquatic plant leaves.

[2] These mosquitoes are known overwinter in gopher tortoise burrows from October through February in Central Florida.