This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. Any of various mosquitoes of the genus Culex, which includes the common house mosquito (C. pipiens).

n. Any of various mosquitoes of the genus Culex, some of which carry disease

n. A genus of mosquitoes of the family Culicidae, to which most of the North American species belong. Some members of this genus are exceedingly annoying, as Culex sollicitans, which breeds in enormous numbers in the salt marshes of the Atlantic coast, and Culex pipiens, the common house mosquito, breeding very widely in the fresh waters of North America. (For characters distinguishing these from the malaria mosquitoes, see anopheles, above). The yellow-fever mosquito is now placed in another genus, Stegomyia.

n. The typical genus of the family Culicidœ, or gnats. A common species is C. pipiens. See gnat, mosquito.

n. type genus of the Culicidae: widespread genus of mosquitoes distinguished by holding the body parallel to the resting surface

"The goal of this abatement crew near Chicago is to prevent larvae from growing into adult mosquitoes, specifically the culex pipians, the common carrier of West Nile virus that infected more than 4,000 people in the U.S. last year."

arthropod genus   

culices    anopheles