Culex


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Culex

[′kyü‚leks]
(invertebrate zoology)
A genus of mosquitoes important as vectors for malaria and several filarial parasites.

Culex

 

a genus of mosquitoes of the family Culicidae. When laid on the water, the eggs stick to each other in such a way that they form a boat-shaped mass.

There are more than 400 species, of which 20 are found in the USSR, chiefly in the Far East, Middle Asia, and the Caucasus. They are harmful to man as bloodsuckers; some carry the causative agents of such diseases as filariasis, Japanese B encephalitis, and encephalomyelitis. The most common species is Culex pipiens, which feeds on the blood of birds and attacks man primarily in southern regions. It is more often found in populated areas, where it flies into houses. It breeds mostly in ditches, barrels, and pits. There are several generations in a summer, with the greatest numbers occurring at the end of summer and in the fall. It winters in basements and cellars. Culex is not a carrier of the causative agents of human malaria; it can be the carrier of plasmodia which develop in the blood of birds. Countermeasures are the same as those used against mosquitoes of the genus Anopheles.

REFERENCE

Gutsevich, A. V., A. S. Monchadskii, and A. A. Shtakel’berg. Komary: Semeistvo Culicidae. Leningrad, 1970.

A. V. GUTSEVICH

References in periodicals archive ?
Culex and Aedes are highly susceptible while Anopheles is less susceptible (Anonymous, 1985; Balaraman et al.
Rohde-Johnson continued, "Culex NxT incorporates what we have learned from Culex enthusiasts in industry and academia who share best practices, attend annual user meetings and provide their insights online.
Thus the behavioral responses and mortality of Culex quinquefasciatus observed in the present investigation could be attributed to phytochemicals present in the leaf extracts of Cymbopogon citrates.
A bacterial spore demonstrating rapid larvicidal activity against Anopheles segentii, Uranotaenia unguiculata, Culex univitattus, Aedes aegypti and Culex pipiens.
We've been able to see some parts of the Culex West Nile virus picture, but we haven't had the appropriate tools for detailed genetic studies.
En un segundo orden de altitud se encuentran las especies Wyeomyia (Nunezia) bicornis (Root) y Culex (Microculex) daumastocampa Dyar & Knab, las cuales se colectaron en las axilas de Tillandsia biflora (Bromeliaceae: Tillandsiode) (Smith 1971, Chacin 1993) en el Parque Nacional El Avila, entre las altitudes de 2 402-2 537 m (localidad 10), en el sendero que va desde el Pico Goering (2 440 m) hasta el Pico Naiguata (2 765 m), maxima altura en el sistema de la costa.
venezuelensis (Theobald) VA - Culex (Anoedioporpa) 33.
The individual time budgets for each of the three species studied, Anopheles stephensi (Table 2), Aedes albopictus (Table 3) and Culex pipiens (Table 4) showed significant differences in the mean time spent in some behavioural states but not in others.
This approach would be inadequate in situations (areas with monsoon climate) where the majority of vector Culex breeding-sites are in flooded ditches, surface pools and water storage containers.
Preferencias alimentares e domicializacao de mosquitos Culicidae no Vale do Ribeira, Sao Paulo, Brasil, com especial referencia a Aedes scapularis e a Culex (Melanoconion).