Culex is a genus of mosquitoes, several species of which serve as vectors of one or more important diseases of birds, humans, and other animals. The lf programme in zanzibar has successfully implemented mass drug administration mda to interrupt transmission, and is now in the elimination phase. Culex quinquefasciatus storage proteins pdf paperity. Sodium channel genes and their differential genotypes at the ltof kdr locus in the mosquito culex quinquefasciatus. This page was last edited on 17 december 2019, at 17. The diseases they vector include west nile virus, as well as arbovirus and filariasis infections.
Zanzibar has a long history of lymphatic filariasis lf caused by the filarial parasite wuchereria bancrofti, and transmitted by the mosquito culex quinquefasciatus say. Contributions of the american entomological institute, 31 pdf snell, a. The cosmopolitan distribution of culex quinquefasciatus is across continents. Pdf culex quinquefasciatus is the principal vector of bancroftian filariasis and a potential vector of dirofilaria immitis. Culex quinquefasciatus is identified as the major vector of the filarial nematode, wuchereria bancrofti cobbold, 1877 in brazil, tropical africa, and southeast asia, and rvfv in africa 14, 15.
When we cloned fulllength cquior91 from a culex quinquefasciatus larval head rna. Southern house mosquito culex quinquefasciatus say1 edis. Aedes and mansonia can transmit the infection in the pacific and in asia. Dispersal of male and female culex quinquefasciatus and aedes. Zika virus replication in the mosquito culex quinquefasciatus in brazil.
Raw data are included in a pdf file as supplementary information. Culex quinquefasciatus, the southern house mosquito, is the vector responsible for transmission of filariasis and a number of viruses including west nile virus, st. Culex simple english wikipedia, the free encyclopedia. Multiple sodium channel variants in the mosquito culex quinquefasciatus. In this study, we evaluated the laboratory vector competence of aedes aegypti, culex quinquefasciatus, and culex tarsalis that originated in areas of california where zikv cases in travelers since 2015 were frequent. Culex culex quinquefasciatus say, 1823 wrbu specimen. Culex quinquefasciatus southern house mosquito cabi. Midgut microbial community of culex quinquefasciatus mosquito. Adjusting second moment bias in eigenspace using bayesian. The mosquito species culex quinquefasciatus is a concern across the southern united states because of its role as a west nile virus vector and its affinity for urban environments. Culex quinquefasciatus is a vector of many pathogens of humans, and both domestic and wild animals.
Mosquito midguts, salivary glands and ovaries were tested for zikv to measure infection and dissemination at 2, 4. Available formats pdf please select a format to send. In this study, female culex pipiens quinquefasciatus were orally exposed to zikv. The first 7 abdominal segments are similar in appearance and unspecialized only part of. Files are available under licenses specified on their description page. Biology and control of culex pipiens quinquefasciatus say. Culex quinquefasciatus is the principal vector of slev in the southern u. The image is courtesy of the centers for disease control. Culex quinquefasciatus say, 1823 originally named culex fatigans, commonly known as the southern house mosquito, is a mediumsized mosquito found in tropical and subtropical regions of the world. Culex quinquefasciatus dispersed much further than aedes albopictus. Culex quinquefasciatus widespread tropical mosquito that transmits filarial worms culex fatigans mosquito twowinged insect whose female has a.
Culex quinquefasciatus mosquitoes collected in central. Thermostability properties and larvicidal efficacy of. Introduced vector and pest status culex quinquefasciatus is an important vector of periodic filariasis in some parts of the world belkin, 1968, and is known to carry and transmit wuchereria bancrofti to some degree of efficacy in many regions of the globe. The southern house mosquito, culex quinquefasciatus. Introduction west nile virus wnv is among the culexborne en. Introduction culex quinquefasciatus, a mosquito that belongs to the phylum arthopoda is an important factor causing fil, ariasis 1, st. Louis encephalitis, but also filariasis and avian malaria.
Culex quinquefasciatus definition of culex quinquefasciatus. Biology and control of culex pipiens quinquefasciatus say, 1823 diptera, culicidae with special reference to africa volume 1 issue 4 r. A popular indian clovebased mosquito repellent is less. Throughout much of the southern united states, culex quinquefasciatus is the primary vector of st. Vector competence of anopheles and culex mosquitoes for zika. Culex quinquefasciatus synonyms, culex quinquefasciatus pronunciation, culex quinquefasciatus translation, english dictionary definition of culex quinquefasciatus. More specifically, culex pipiens is considered as the northern house mosquito, as it is the most common mosquito to the northern regions of the u. This species is found in the southern united states and is present throughout florida. Culex mosquitoes, especially culex quinquefasciatus, are the main vector of filariasis. This nighttimeactive, opportunistic blood feeder is a vector of many.
Pdf we report a laboratory colony of culex quinquefasciatus mosquitoes were experimentally able to salivate zika virus zikv, flaviviridae. All structured data from the file and property namespaces is available under the creative commons cc0 license. Monitoring infections in mosquitoes, and assessing the potential role of. The diseases they vector include arbovirus infections such as west nile virus, japanese encephalitis, or st. All culex species lay their eggs in a raft, with up to around 300 eggs in a single raft. The phylogenetic analysis shows that 29 novel and putatively functional ltrretrotransposons detected belong to the ty3gypsy group. Culex quinquefasciatus is a crepuscular to nocturnal mosquito, restricting adult emergence, mating and oviposition behaviours to dusk and blood feeding activity to the middle night hours 20. Alternatively, you can download the file locally and open with any standalone pdf reader. This adult culex quinquefasciatus is emerging from a split that develops along the thorax of the pupa. North of the 39th parallel north in the us, only c. If you do not see its contents the file may be temporarily unavailable at the journal website or you do not have a pdf plugin installed and enabled in your browser. Southern house mosquito culex quinquefasciatus say 2 description adults adult cx. In addition, male aedes albopictus dispersed further than female mosquitoes. Future climate change and variability may alter the location and seasonality of many disease vectors, possibly increasing the risk of disease transmission to humans.
Modeled response of the west nile virus vector culex. Abstract bacterial insecticides have been used for the control of nuisance and vector mosquitoes are due to the binary bin toxin protein present in crystals, which are produced during bacterial sporulation. Vector competence of culex pipiens quinquefasciatus diptera. Louis encephalitis 2, west nile virus 3 and avion malaria 4.
The mosquito species culex quinquefasciatus say, is the most important vector of w. There is also some thought that the populations that vector well may have interbred with a related species and known vector of w nv, culex pipiens goddard et al. July 2018 culex culex quinquefasciatus say southern house or brown mosquito nz status. Stable, germline transformation of culex quinquefasciatus. Culex quinquefasciatus is distributed across the tropics and subtopics and is responsible for the transmission of lymphatic filariasis and possibly zika virus diallo et al. In africa, the most common vector is anopheles and in the americas, it is culex quinquefasciatus. Biology of the filarial vector, culex quinquefasciatus diptera. Model performance of downscaling 19992004 hydrometeorological fields to the upper rio grande basin using different forcing datasets. Free fulltext pdf articles from hundreds of disciplines, all in one place midgut microbial community of culex quinquefasciatus mosquito populations from india pdf paperity toggle navigation. Multiple sodium channel variants in the mosquito culex.
Vector competence of selected north american culex and. Viruses transmitted by this species include wnv, slev and western equine encephalitis virus weev. Pronunciation of culex quinquefasciatus with 1 audio pronunciation, 2 synonyms, 2 meanings, 1 sentence and more for culex quinquefasciatus. Furthermore, both culex mosquito species intrathoracically inoculated with either asian or african lineage zikvs failed to expectorate virus in saliva. We report a laboratory colony of culex quinquefasciatus mosquitoes were experimentally able to salivate zika virus zikv, flaviviridae. An culex quinquefasciatus in uska species han diptera nga ginhulagway ni thomas say hadton 1823. A hermesbased transposable element transformation system incorporating an enhanced green fluorescent protein egfp marker was used to produce two transgenic lines of culex quinquefasciatus say. Louis encephalitis, ross river encephalitis, murray valley encephalitis, rift valley fever, and lymphatic filariases. Thus, public health prevention is mainly directed to. One of these species is the tropical and subtropical c. All structured data from the file and property namespaces is available under the creative commons cc0.
The southern house mosquito, culex quinquefasciatus journal of. Culex cubensis bigot, 1857 culex didieri neveulemaire, 1906 culex fatigans wiedemann, 1828 culex fouchowensis theobald, 1901 culex hensemaeon dyar, 1920 culex luteoannulatus theobald, 1901 culex macleayi skuse, 1889 culex nigrirostris enderlein, 1920 culex pallidocephala theobald, 1904 homonyms culex quinquefasciatus say, 1823 common names. This page was last edited on 7 october 2019, at 01. Mechanisms of insecticide resistance in a temephos. Identification keys to larval and adult female mosquitoes diptera. Molecular characterization and phylogenetic analysis of.
Results indicated that these two north american culex mosquito species were highly refractory to oral infection with no dissemination or transmission observed with any zikv strains assessed. This mosquito species is also a potential vector of several arboviruses like west nile. It is the vector of wuchereria bancrofti, avian malaria, and arboviruses including st. In culex quinquefasciatus, cquior91 is the ortholog of 2 larvaespecific odorant receptors ors from anopheles gambiae agam\or40, previously shown to respond to several odorant ligands including the broadspectrum repellent n,ndiethyl3methylbenzamide, deet and aedes aegypti aaeg\or40. A popular indian clovebased mosquito repellent is less effective against culex quinquefasciatus and aedes aegypti than deet. Posterior of larval abdomen of culex quinquefasciatus. Culex quinquefasciatus say from peliyagoda, sri lanka, has larval resistance to temephos, malathion, fenitrothion and chlorpyrifos. This antropophilic species is a known vector of human pathogens and it has been the target of control programmes worldwide. Culex also called the common house mosquito is a genus of mosquitoes. The zanzibar archipelago has a long history of lymphatic filariasis lf, a disabling mosquitoborne disease caused by the filarial parasite wuchereria bancrofti16. Zika virus replication in the mosquito culex quinquefasciatus. The development of culex mosquitoes has been demonstrated to correlate with temperature in a number of studies.
Kaiming tan, data curation, formal analysis, investigation, 1 gabriel b. The adult culex quinquefasciatus mosquito is a mediumsized, brown mosquito. Our study suggests that infectious disease agents transmitted by culex quinquefasciatus will be more difficult to control locally than those transmitted by aedes albopictus. This antropophilic species is a known vector of human pathogens and it has. Aug 20, 2019 culex quinquefasciatus is one of the most abundant mosquito species associated with urban areas, particularly those which are characterized by precarious sanitation. Zikv was detected in salivary glands and in the saliva of artificially fed c. Culex quinquefasciatus is one of the most abundant mosquito species associated with urban areas, particularly those which are characterized by precarious sanitation. An culex quinquefasciatus in nahilalakip ha genus nga culex, ngan familia nga culicidae. Functional and nonfunctional forms of cquior91, an odorant. Zika virus is a newly emergent mosquitoborne flavivirus that has caused recent large outbreaks in the new world, leading to dramatic increases in serious disease pathology including guillainbarre syndrome, newborn microcephaly, and infant brain damage.
We cant seem to find what you were looking for, or something went wrong, but you can try again. To test this hypothesis, we experimentally compared the vectorial. Pagka karon wala pay siak nga nalista ubos niini niya. The present investigation is an attempt to study the biology of culex quinquefasciatus under the laboratory. Eeny457 southern house mosquito culex quinquefasciatus say1 stephanie hill and c. It includes several species of mosquitoes that vector carry and transmit one or more important diseases between birds, humans and other animals. Consequently, we evaluated the extent to which fl cx. Pdf the southern house mosquito, culex quinquefasciatus. Culex quinquefasciatus is a peridomestic mosquito seldom found far from human. Culex culex quinquefasciatus say, 1823 wrbu specimen cxqui. Therefore, we evaluated the wnv vector potential of several north american mosquito species.
Culex species are important vectors of human pathogens in the united states and worldwide, including the aetiologic agents of west nile encephalitis, eastern equine encephalitis, venezuelan equine encephalitis, japanese encephalitis, st. Zikv rna was detected in bodies and in saliva deposited on filter paper cards with subsequent studies demonstrating the presence of live zikv in saliva. The culex pipiens complex is distributed worldwide and has two species formally recognized in the complex. Culex quinquefasciatus storage proteins, plos one, 20. Our results demonstrate that, by considering only families containing potentially autonomous ltrretrotransposons. The virus increases its numbers in birds and then infects mosquitoes. Midgut microbial community of culex quinquefasciatus.
Ang culex quinquefasciatus sakop sa kahenera nga culex sa kabanay nga culicidae. Culex quinquefasciatus say, commonly known as the southern house mosquito, is a mediumsized brown mosquito that exists throughout the tropics and the lower latitudes of temperate regions. Culex quinquefasciatus is the principal vector of bancroftian filariasis and a potential vector of. Materials and methods mosquito strains culex quinquefasciatus strain hamcqg8 is a highly insecticideresistant strain that was originally collected from huntsville, alabama in 2002 liu et al. As such, culex quinquefasciatus was uniquely adapted to the environs of. Culex quinquefasciatus, also called the southern house mosquito, is extensively studied as it transmits crucial diseases 5. This document is eeny457, one of a series of the entomology and nematology department, ufifas extension. Vector competence of aedes aegypti, culex tarsalis, and. Dispersal of male and female culex quinquefasciatus and. Biochemical assays on individual resistant and susceptible mosquitoes of this strain showed that there was a good correlation between this resistance and increased esterase activity with both 1and 2naphthyl acetate, which appears to be the major. Describing wing shape among culex quinquefasciatus say.
To control west nile virus wnv, it is necessary to know which mosquitoes are able to transmit this virus. These posterior portions of the abdomen the modified segments viii, ix and x are important taxonomically. The following is largely from information in the wikipedia account of culex quinquefasciatus, accessed on 27 june 2014. Apr 26, 2018 we report a laboratory colony of culex quinquefasciatus mosquitoes were experimentally able to salivate zika virus zikv, flaviviridae. Present susceptibility status of culex quinquefasciatus. We observed variation in infection loads between zikv strains in ae. Vertex v and occiput occ with numerous erect forked scales, largely dark brownish except for a few pale ones in center. The rapid spread of zika virus zikv in the americas raised many questions about the role of culex quinquefasciatus mosquitoes in transmission, in addition to the key role played by the vector. Bacillus sphaericus, mosquitocidal, bin proteins, culex quinquefasciatus, efficacy. Characterisation of culex quinquefasciatus diptera. Culex quinquefasciatus an overview sciencedirect topics.
July 2015 culex culex quinquefasciatus say southern house or brown mosquito nz status. Pdf culex quinquefasciatus mosquitoes do not support. Insecticide resistance in culex quinquefasciatus from. The mosquito is brown with the proboscis, thorax, wings, and tarsi darker than the rest of. Culex pipiens quinquefaciatus genome project vectorbase. A wide range of mosquitoes can transmit the parasite, depending on the geographic area.
340 935 702 242 1066 617 1331 635 1156 874 1503 289 415 713 1231 930 89 654 620 1190 59 248 122 400 1217 839 1280 1503 1486 303 515 380 692 1344 1494 425 253 724 429 879 1156 674 1345