Culex

Definition

Culex is a genus of mosquitoes known for being vectors of several infectious diseases affecting humans. They are particularly significant in transmitting viruses that can lead to nervous system infections.

5 Must Know Facts For Your Next Test

1. Culex mosquitoes are primary vectors for the West Nile virus, which can cause encephalitis or meningitis.
2. They are also capable of transmitting St. Louis encephalitis virus, leading to inflammation of the brain.
3. Culex species thrive in urban areas and breed in stagnant water sources like gutters and bird baths.
4. These mosquitoes typically feed during the evening and nighttime, increasing the risk of infection during these periods.
5. Control measures for Culex populations include eliminating standing water and using insect repellents.

Review Questions

• What diseases can be transmitted by Culex mosquitoes that affect the nervous system?
• During what times are Culex mosquitoes most active and likely to bite?
• What are effective control measures to reduce Culex mosquito populations?

Related terms

West Nile Virus: A virus transmitted by Culex mosquitoes that can cause neurological diseases such as encephalitis or meningitis.

Encephalitis: Inflammation of the brain often caused by viral infections including those transmitted by Culex mosquitoes.

Vector Control: Methods used to eliminate or manage insect vectors like Culex mosquitoes to prevent disease transmission.