OrganismsDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPsychiatry and PsychologyPhenomena and ProcessesInformation ScienceHealth Care
CulexGenetic VectorsInsect VectorsDisease VectorsCulicidaeInsecticide ResistanceAedesInsecticidesLarvaMosquito ControlWest Nile virusWest Nile FeverAnophelesChemosterilantsPest Control, BiologicalGene Transfer TechniquesFlavivirusTransduction, GeneticFilariasisAdenoviridaeDependovirusPopulation DensityLentivirusOvipositionInsect RepellentsAnopheles gambiaePyrethrinsMolecular Sequence DataWolbachiaArthropod VectorsWuchereria bancroftiWuchereriaBase SequenceOchlerotatusOviparitySupport Vector MachinesFeeding BehaviorTransgenes
MosquitoesAedesQuinquefasciatusAnophelesSpeciesCompetenceParasitesPopulationsSusceptibilityDiseasesHouse mosquitoInfectionBiologyPestsExpanded polystyrene beadsArbovirusesInsecticidesEpidemiologyAfricaRodentsFilariasisSurveillanceControlPathogenTransmissionMainHostsOchlerotatusDuskHabitatBirdsImportantBornePotential vectorDiseaseWest NileVariations
Mosquitoes20
  • and Culex quinquefasciatus mosquitoes and determined infection rates, dissemination rates, and transmission rates. (cdc.gov)
  • mosquitoes are a potential primary vector for Zika virus and should be targeted in vector control strategies. (cdc.gov)
  • However, vector competence (ability for infection, dissemination, and transmission of virus) differs among mosquitoes of different species and among virus strains. (cdc.gov)
  • mosquitoes are a secondary vector for Zika virus transmission ( 16 ). (cdc.gov)
  • In China, large amounts of chemical insecticides are applied in fields or indoors every year, directly or indirectly bringing selection pressure on vector mosquitoes. (biomedcentral.com)
  • As one of seven major species of vector mosquitoes in China, the Culex pipiens complex has evolved to be resistant to all types of chemical insecticides, except carbamates, in many regions [ 5 ]. (biomedcentral.com)
  • Therefore, the aim of the present study is to evaluate the ovicidal activity of extracts of Carica papaya leaf for their toxicity against the medicinally important vector mosquitoes ( Culex quinquefasciatu s). (dipterajournal.com)
  • The enzootic transmission cycle involves ornithophilic mosquitoes ( Culex spp. (frontiersin.org)
  • A Biosecurity Research Institute study has found important results in the fight against Zika virus: Culex mosquitoes do not appear to transmit Zika virus. (news-medical.net)
  • These results are very promising in creating new effective and affordable approaches to the control of vector mosquitoes. (ispub.com)
  • Mosquitoes are important vectors of several tropical diseases, including malaria, filariasis, and numerous viral diseases, such as dengue, Japanese encephalitis and yellow fever. (ispub.com)
  • WEE virus transmission is at a high level, as reflected by isolations from Culex tarsalis mosquitoes in parts of Arizona, California, Minnesota, and North Dakota. (cdc.gov)
  • This surveillance was subsequently expanded throughout the municipal area, and in the summer of 2002, the Council decided to test field-collected adults for the presence of arboviruses to determine which local mosquitoes were likely RRV vectors. (health.gov.au)
  • Other surveillance activities to detect the presence of arboviruses in mosquitoes or mosquito saliva or for surveying mosquito abundance included honey-baited trap surveillance, surveys of household containers that may provide suitable habitat for the dengue vector, Aedes aegypti, and carbon dioxide baited traps. (health.gov.au)
  • However, wetlands can also provide habitat for larval mosquitoes important for the transmission of vector borne pathogens. (confex.com)
  • Adult mosquitoes are a symptom of a greater problem - larval breeding sites - although adult females are the stage that vector diseases from one person to another. (pestweb.com)
  • The other 4 groups of mosquitoes, Anopheles , Coquillettidia, Culex , and Culiseta exhibit a variety of life strategies. (edmonton.ca)
  • With the elimination of many deadly mosquito-borne diseases from the United States, our control efforts are now mainly aimed at pest mosquitoes rather than disease vectors. (msstate.edu)
  • Mosquitoes (Diptera: Culicidae) are the most important group of blood-sucking insects that are vectors of human diseases. (cabdirect.org)
  • 1. Lymphatic filariasis in Africa is caused by a filarial worm, Wuchereria bancrofti, that is transmitted mainly by female Anopheles and Culex mosquitoes. (who.int)
Aedes6
  • 2002)). In the present study essential oils of six plants commonly found in Tamilnadu, India were tested against fourth instar larvae of , Anopheles stephensi, Culex quinquefasciatus and Aedes aegypti . (ispub.com)
  • We have synthesized a new quinoline (4,7-dichloroquinoline) derivative which showed significant larvicidal and pupicidal properties against a malarial and a dengue vector and a lethal toxicity ranging from 4.408 µM/mL (first instar larvae) to 7.958 µM/mL (pupal populations) for Anopheles stephensi and 5.016 µM/mL (larva 1) to 10.669 µM/mL (pupae) for Aedes aegypti . (nature.com)
  • The most important mosquito disease vectors in the United States belong to the genera Aedes, Culex and Anopheles. (pestweb.com)
  • Aedes albopictus is an important invasive mosquito vector of dengue fever across urban and semiurban areas of India. (hindawi.com)
  • This chapter focuses mainly on six species belonging to the Aedes, Culex and Anopheles genera, which, closely adapted to human habitats for thousands of years, have exploited. (cabdirect.org)
  • We compared vector susceptibility of Aedes aegypti (L.) for dengue virus, serotype 1 (DENV-1) previously exposed as larvae to an LC50 of different classes of insecticides as formulated larvicides. (cdc.gov)
Quinquefasciatus5
  • In this study, an excito-repellency assay system was used to examine the noncontact repellency, contact excitation, and knockdown (KD) effects of guava leaf ( Psidium guajava L.) oil against Anopheles minimus (Theobald), Anopheles epiroticus (Linton & Harbach), and Culex quinquefasciatus (Say). (bioone.org)
  • Anuskha Dishani U, Dhivya R. Preliminary phytochemical profiling and ovicidal potential of Carica papaya leaf extracts against the filarial vector C ulex quinquefasciatus (Diptera: Culicidae). (dipterajournal.com)
  • Anopheles gambiae sl was the main vector in both study sites followed by an Anopheles funestus and Culex quinquefasciatus . (academicjournals.org)
  • The southern house mosquito, Culex quinquefasciatus , is believed to be the most important vector of these two diseases. (msstate.edu)
  • Captured in 2016, in the capital city of Dhaka, Bangladesh, this image depicted a Culex quinquefasciatus mosquito, beneath the lens of a microscope. (cdc.gov)
Anopheles5
Species12
  • However, the drivers of vector populations are largely specific to each vector species and region. (irta.cat)
  • Culex pipiens, commonly referred to as the common house mosquito, is a species of mosquito. (wikipedia.org)
  • Culex pipiens' diet typically consists of vertebrate blood, as they consume human blood, but prefer bird blood of species that are nearly linked to human interaction, such as doves and pigeons. (wikipedia.org)
  • In California populations, it was shown that most females of Culex pipiens do not enter reproductive diapause during the winter, which differs from other mosquito species, such as Culex stigmatosoma or Culex tarsalis. (wikipedia.org)
  • The Culex genus, and a large number of other mosquito species, thrive in mostly wet, humid, and temperate climates. (wikipedia.org)
  • ii) the species of Culicid vectors possibly involved in their transmission and (iii) the genetic variability of those potential vectors. (unl.pt)
  • Here, the geographic distribution of mosquito species known to be competent JEV vectors in the country was estimated by combining known mosquito occurrences and ecological drivers of distribution to reveal insights into communities at highest risk of infectious disease transmission. (mdpi.com)
  • When scant information is available about a novel emerging virus, understanding it within a framework of evolutionary relationships can help characterize it in the context of its most closely related species and their known hosts and vectors. (springer.com)
  • 2002). There are about 3000 species of mosquito, of which about 100 are vectors of human diseases. (ispub.com)
  • Five species were found from the genera Culex which are important vectors of WNV. (confex.com)
  • After completing this course, you should be able to understand the basic mosquito life cycle and types of breeding sites, and identify adults of these mosquito species and the diseases they vector. (pestweb.com)
  • However, the study showed that the mosquito dunk was noteffective (under 80% mortality) against 1st, instar larvae and pupae of Anopheline species as well as Culex developmental stages. (bvsalud.org)
Competence1
  • Title : Vector Competence of Culex restuans (Diptera: Culicidae) for West Nile Virus in Chicago, Illinois Personal Author(s) : Mutebi, J.-P.;Swope, B. N.;Doyle, M. S.;Biggerstaff, B. J. (cdc.gov)
Parasites3
  • Today in Parasites & Vectors, researchers report that in Baltimore, Md., socioeconomic differences between neighborhoods influence bite risk, with rats being a primary blood meal source in lower income neighborhoods. (sciencedaily.com)
  • Parasites & Vectors 5:32 doi:10.1186/1756-3305-5-32. (hyperdrug.co.uk)
  • I further studying gene-gene interactions between different hosts, parasites and vectors at different timepoints during infection cycles. (lu.se)
Populations2
  • In order to explore the evolutionary scenario, we analyzed the data from an historical record in 2003 and a recent investigation on five Culex pipiens pallens populations sampled from north China in 2010. (biomedcentral.com)
  • Control of mosquito vector populations is primarily intended to reduce the transmission of pathogens they transmit. (cdc.gov)
Susceptibility2
  • The susceptibility of indigenous Culex pipiens (biotypes pipiens and molestus ) for a German WNV lineage 2 strain was experimentally compared to that of Serbian Cx. (mdpi.com)
  • Our findings describe a previously under observed phenomenon, the latent effects of select larvicides on mosquito vector susceptibility for arboviruses. (cdc.gov)
Diseases9
  • Chemical insecticides have hugely reduced the prevalence of vector-borne diseases around the world, but resistance threatens their continued effectiveness. (biomedcentral.com)
  • Changes in environmental conditions, whether related or not to human activities, are continuously modifying the geographic distribution of vectors, which in turn affects the dynamics and distribution of vector-borne infectious diseases. (irta.cat)
  • Despite these predicted changes in vector distribution, their effects on the incidence of infectious diseases are, however, difficult to forecast since different processes such as local adaptation to temperature, vector-pathogen interactions, and human-derived changes in landscape may play important roles in shaping the future dynamics of pathogen transmission. (irta.cat)
  • Culex can transmit the following diseases: West Nile virus, St. Louis Encephalitis, Western Equine Encephalitis. (ocvector.org)
  • Vector-borne infectious diseases (VBDs) represent a major public health concern worldwide. (bvsalud.org)
  • Byron Breedlove] Linking microbiology, infectious diseases, epidemics, and various vectors to art, and vice versa, creates perspectives that can help humanize the science and offer a different way of seeing the art. (cdc.gov)
  • NAMAC assists in the detection, management and control of real or potential outbreaks of arboviruses or malaria and provides advice on the risk of these diseases or exotic vectors being imported from overseas. (health.gov.au)
  • Although these diseases have disappeared from Mississippi, their mosquito vectors (carriers) have not. (msstate.edu)
  • The use of polystyrene beads as a component of integrated vector management with other supportive measures could assist in the control of mosquito-borne diseases in the Islamic Republic of Iran and neighbouring countries. (who.int)
House mosquito2
  • More specifically, Culex pipiens is considered as the northern house mosquito, as it is the most common mosquito to the northern regions of the US. (wikipedia.org)
  • The northern house mosquito (Culex pipiens) is a significant vector of West Nile virus that first arrived in Edmonton in 2020. (edmonton.ca)
Infection3
  • However, no explanation was offered to these findings regarding vector infectivity or infection rates. (academicjournals.org)
  • The consequences of under application of larvicides are little studied, specifically the impacts on pathogen infection and transmission by the vectors that survive exposure to larvicides. (cdc.gov)
  • Although low levels of neutralizing antibodies have been detected in kangaroos, wallabies, possums, horses, cats and dogs after experimental infection, the detected viraemia is considered too low for an insect vector to acquire the virus. (who.int)
Biology1
  • Papers presented at the Symposium on Insect Vector Biology, held at Madras during November 22-24 1979. (who.int)
Pests2
  • The work of the Pest Behaviour Group ranges from laboratory-based research, using cutting-edge technologies, to analyse the basic physiology and behaviour of pests and vectors through field-based studies of pest behaviour and ecology to translational research where knowledge of pest behaviour is used to develop innovative control technologies. (nri.org)
  • In countries with a temperate climate they are more important as nuisance pests than as vectors. (ispub.com)
Expanded polystyrene beads1
  • Our study evaluated the efficacy of applying expanded polystyrene beads (EPBs) on the Culex population and the effect on LF transmission. (who.int)
Arboviruses1
  • Vector, climate and sentinel animal surveillance measures for arboviruses (in particular for MVEV) conducted by states and territories, and also at the border are described. (health.gov.au)
Insecticides3
  • Culex pipiens complex has evolved to be resistant to all types of chemical insecticides, especially organophosphates, through carboxylesterases. (biomedcentral.com)
  • Abstract:background et objectives:Mosquito control is becoming increasingly difficult because of the developmentof resistance in vectors to conventional insecticides. (bvsalud.org)
  • The resistance in vectors warrants development of newer insecticides for mosquito control besides use of other counter-measures. (bvsalud.org)
Epidemiology1
  • Members of NAMAC have expertise in virus and disease surveillance, epidemiology, virology, vector ecology, vector control and quarantine, and represent agencies with a substantial interest in this area. (health.gov.au)
Africa1
  • Clearly, further work is urgently needed to evaluate the exact importance of both the vector capacities and seasonal filariasis transmission in parts of Africa. (academicjournals.org)
Rodents1
  • and increases in the presence of vectors (e.g., rodents or biting insects). (cdc.gov)
Filariasis3
  • Findings were discussed in the context of on-going plans to eliminate filariasis and the transmitting vectors. (academicjournals.org)
  • Wijers and Kaleli (1984) in related study concluded that transmission season coincides with the long rain during which filariasis vectors were in abundance. (academicjournals.org)
  • This vector is known to spread the pathogen responsible for causing lymphatic filariasis (LF), through its bite. (cdc.gov)
Surveillance2
  • We investigated the variations of Culex pipiens population abundance using environmental, climatic and trapping data obtained over nine years (2010 to 2018) through the WNV entomological surveillance programme implemented in northeastern Italy . (bvsalud.org)
  • NAMAC makes recommendations about surveillance and reporting systems, strategic approaches for disease and vector management and control, laboratory support, development of national guidelines and response plans and research priorities. (health.gov.au)
Control6
  • Over the past decade, the insecticide pyrethroid has been used extensively and continuously to control mosquito insect vectors. (biomedcentral.com)
  • Although malathion is still used in agricultural pest control, it is no longer used in vector control in the United States. (nature.com)
  • Volatile organic compounds from various plants have received popular interest as one of the vector control tools due to their eco-friendliness and insect-repellent activities. (bioone.org)
  • To conclude the present investigation leads the path of exploration of C. papaya for eradication of selected important human vector mosquito, thereby, gaining a real momentum to include this plant product for intense mosquito control programme. (dipterajournal.com)
  • Ella Branham, a seasonal vector control technician, examines a Culex tarsalis mosquito at the Salt Lake City Mosquito Abatement District on July 19, 2023, in Salt Lake City. (kron4.com)
  • Implementation of other pr ogramme components, such as vector control and disability management and prevention, are bein g delayed. (who.int)
Pathogen2
  • Due to the complexity of the environment -host-vector-pathogen interaction and the incomplete understanding of the epidemiological pattern of the disease , WNV occurrences can be difficult to predict. (bvsalud.org)
  • This project examines vector borne pathogen transmission in wetlands using West Nile virus (WNV) as a case study to examine how different ecological factors, surrounding land use, and human water use interact and contribute to differences in local pathogen transmission. (confex.com)
Transmission3
  • Notre étude a évalué l'efficacité de l'utilisation de billes de polystyrène expansé sur la population de moustiques Culex et son effet sur la transmission de la filariose lymphatique. (who.int)
  • The study was carried out to compare the infectivity rates of the vectors between the high transmission (rainy) and the low transmission (dry) seasons. (academicjournals.org)
  • 5Secretaria de Estado da Saúde, although the possibility of vector transmission of Chagas disease in these centers is very low. (bvsalud.org)
Main3
  • Determining the main ecological drivers of vector distribution and how predicted changes in these drivers may alter their future distributions is therefore of major importance. (irta.cat)
  • Culex (Culex) theileri probably main epizootic vector (33). (cdc.gov)
  • Culex tarsalis is the main vector that spreads West Nile virus to Minnesotans. (mn.us)
Hosts2
  • as vectors and birds as reservoir and amplifying hosts. (frontiersin.org)
  • The second use of phylogenetic information, and our focus, is to predict relationships among pathogens and their hosts and/or vectors. (springer.com)
Ochlerotatus1
  • In early 2002, a combination of spring tides and high summer rainfall produced extensive saltmarsh habitat in the Sorell region, resulting in unseasonably high densities of the mosquito Ochlerotatus camptorhynchus , recognised vector of RRV. (health.gov.au)
Dusk1
  • Culex is active during dawn and dusk and prefers to feed on small mammals. (ocvector.org)
Habitat1
  • Here, we identify the most important human-activity-related and bioclimatic predictors affecting the current distribution and habitat suitability of the mosquito Culex pipiens and potential future changes in its distribution in Spain. (irta.cat)
Birds1
Important1
  • Larvicidal Activity Of Plant Oil Formulation Against Three Important Vector Mosquito Sp. (ispub.com)
Borne2
  • Vector-borne maladies are providing a serious threat to the well-being and public health around the world. (nature.com)
  • The insect-borne disease is at risk of developing worldwide following globalization and the enlargement of travel and trade from areas colonized by vectors. (hindawi.com)
Potential vector1
  • pipiens, as well as with other yet uncharacterized nematodes, supporting its role as a potential vector of these filarids. (unl.pt)
Disease1
  • Despite the presence of human cases of arbovirus disease further south in the Hobart region, there have been no investigations of the mosquito vectors and the relative disease risks in these south-eastern communities. (health.gov.au)
West Nile2
Variations1
  • in particular, variations in the vector population dynamics may represent a key point of the recent success of WNV and, more in general, of the VBDs. (bvsalud.org)