Culex

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Related to Culex quinquefasciatus: culex mosquito, Culex pipiens quinquefasciatus

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 ?
Effects of sublethal dosages of insecticides on Culex quinquefasciatus.
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.
Larvicidal activity of fatty acid methyl esters of Vitex species against Culex quinquefasciatus.
Improving efficacy of box gravid traps for collecting Culex quinquefasciatus.
Use of floating layers of polystyrene beads to control populations of the filaria vector Culex quinquefasciatus.
For testing, we used adult females of two mosquito species, Culex quinquefasciatus Say 1823 and Anopheles gambiae sensu stricto Giles 1902.
Mosquito larvicidal activity of Coriandrum sativum and Brassica nigra seed extract against the filarial vector, Culex quinquefasciatus Say.
However, Allan [21] stated that imidacloprid was highly effective neonicotinoid pesticide and as toxic as certain pyrethoid pesticides such as deltamethrin and permethrin for Culex quinquefasciatus, furthermore, it was one of the most toxic pesticides for Anopheles quadrimaculatus and Aedes taeniorhynchus.
TX, USA Zip code Strain ([double dagger]) Source ([section]) IS-98 STD NA White stork NY99-flamingo382-99 NA Chilean flamingo Kuritz [TVP 8553] NA Human TX114 77043 Blue jay TX 2002 1 NA Human TX 2002 2 NA Human TX1153 77077 Mourning dove TX1171 77030 Blue jay TX1175 77346 Blue jay TX1461 NA Avian TX 2003 NA Human v4095 77093 Culex quinquefasciatus v4369 77039 Cx.
culicifacies and other mosquito spp including common pest mosquito Culex quinquefasciatus were undertaken in Pacheria village in Loni PHC, District Ghaziabad, Uttar Pradesh, India.