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california encephalitis group viruses isolated from mosquitoes collected in southern and arctic norway.three virus strains serologically related to the california encephalitis group (bunyaviridae) of arboviruses were isolated from 7331 mosquitoes collected in norway in june-august 1975. two of the isolates (s 548 and s 618) seemed to be closely related and the third, s 568, more distantly related by serological techniques to tahyna virus. viruses were found in the mosquito species aedes sticticus, a. diantaeus and a. hexodontus colllected (in order) from oyern (59 degrees n, 11 degrees 12' e), tr ...197831761
[economic significance of the prevention of losses caused by blood-sucking diptera in grazing dairy cows].it was was demonstrated in an experiment that the blood-sucking dipterous insects adversely affected the efficiency of cows on pasture; these cows showed a significantly decreased milk yield and milk fat percentage. the experiment was conducted in south bohemia at chlum u trebonĕ where seven species of gnats occurred in considerable abundancy, including the largest populations of aedes sticticus (meig.), ae. cinereus meig., ae. vexans meig. and ae. punctor kirby, which represented more than 80% ...1979111393
[observations of aedes sticticus copulation]. 2009481332
two more mosquito species proved as vectors of tahyna virus in czechoslovakia.two strains of tahyna virus were isolated during mosquito virological testing in summer 1975 in the littoral zone of large fishponds in south moravia. the first of them was isolated from culex modestus mosquito, the other one from aedes sticticus. virus isolation from these species proved them to be vectors of tahyna virus, as it was found already experimentally that tahyăn virus multiplies in these mosquitoes. this virus was isolated from the two species for the first time in central europe and ...1977881145
mosquito spiroplasmas from france and their ecology.spiroplasmas have been isolated previously from a number of blood-sucking arthropods, including ticks, horseflies, and deerflies. more recently, spiroplasmas were isolated from mosquitoes from the usa, france, and taiwan. spiroplasmas isolated from mosquitoes from france belong to at least three serogroups and are serologically different from one of the taiwan isolates, sp2. our ar 1343 strain is the prototype of a new serogroup (xiii). during 3 consecutive years (1983-85), the ecology of these ...19872889698
[mosquitoes of the subgenus edwardsaedes of the fauna of the palaeoarctic region with a description of the larva of aedes (edw.) bekkui].two species of the subgenus edwardsaedes, ae. (edw.) pingpaensis chang and ae. (edw.) bekkui mogi, are spread in the palaearctic region, the first one being known from china only and the second one from japan and south primorye, ussr. the name ae. (edw.) antuensis su, wang et li, 1965 should be considered as a synonym of ae. (edw.) pingpaensis chang, 1965; the larva of ae. (ochlerotatus) sticticus mg. has been erroneously described by su et al. (1978) as larva of ae. antuensis. the differential ...20073840879
eggs of floodwater mosquitoes. x. conditioning and hatching of winterized eggs of aedes sticticus (diptera: culicidae). 19675624739
eggs of floodwater mosquitoes (diptera: culicidae). xi. effect of medium on hatching of aedes sticticus. 19676062258
[ecology of mass culicidae species in the upper reaches of the sayan watershed (tuva assr), breeding sites and the conditions for aedes sticticus meig. development]. 20096143246
field isolations of dirofilaria from mosquitoes in alabama.field collections of mosquitoes were made april-september 1977 and 1978 in the immediate vicinity of a hunting-dog kennel where the dogs had a chronic history of heartworm infection. among 19 mosquito species taken in light-trap collections, only aedes sticticus, ae. vexans, and anopheles punctipennis were found infected with what were presumed to be d. immitis larvae. based on natural infection rates and the relative abundance of these three host species, an. punctipennis and ae. sticticus appe ...19807365629
[1st isolation of aedes (ochlerotatus) sticticus (diptera, culicidae) in the po-venetian valley].aedes sticticus is recorded for the first time in northern italy. the species was collected in some relict woods mainly at sea level in the po-venetian valley (northern-italy). larval growth took place in residual puddles originated by rain or river floods. the most abundant adult emergence was observed in april or may. minor earlier or later adult emergencies were observed depending from egg submersion and temperature. data on larval chetotaxy are presented.19969333754
population dynamic of aedes vexans and ochlerotatus sticticus in flooded areas of the river drava in osijek, croatia.populations of adult mosquitoes occurring in the osijek area in eastern croatia were monitored from may 1995 to september 2000 with centers for disease control-style traps baited with dry ice. a total of 106,663 adults was caught, ranging from 0 (several times) to 21,120 in may 1995. the mosquitoes captured represented 18 species. aedes vexans was the most abundant, followed by ochlerotatus sticticus. both of these species have breeding sites in flooded areas in the areas surrounding osijek. fur ...200111804469
species composition and seasonal dynamics of mosquito larvae in the wrocław, poland area.a total of 13,214 larvae specimens representing eight species (culex pipiens, culiseta annulata, ochlerotatus cantans, ochlerotatus communis, ochlerotatus excrucians, ochlerotatus sticticus, aedes vexans, and anopheles maculipennis) from twelve sampling places in the wrocław area in poland were collected between may and october, 1998-2000. the development rate of each mosquito species depended on hydrological types and various plant communities in water bodies. the water quality (temperature, ph ...200314714675
epidemiology of west nile virus in connecticut: a five-year analysis of mosquito data 1999-2003.two hundred and ten isolations of west nile virus (wnv) were obtained from 17 mosquito species in six genera in statewide surveillance conducted in connecticut from june through october, 1999-2003. culex pipiens (86), culex salinarius (32), culex restuans (26), culiseta melanura (32), and aedes vexans (12) were implicated as the most likely vectors of wnv in the region based on virus isolation data. culex pipiens was abundant from july through september and is likely involved in early season enz ...200415682518
mosquitoborne viruses, czech republic, 2002.specimens from residents (n = 497) of an area affected by the 2002 flood were examined serologically for mosquitoborne viruses. antibodies were detected against tahyna (16%), sindbis (1%), and batai (0.2%) viruses, but not west nile virus. an examination of paired serum samples showed 1 tahyna bunyavirus (california group) infection.200515705333
different responses of two floodwater mosquito species, aedes vexans and ochlerotatus sticticus (diptera: culicidae), to larval habitat drying.insect larvae that live in temporary ponds must cope with a rapidly diminishing resource. we tested the hypothesis that floodwater mosquitoes would react to diminishing water levels by accelerating larval development time and emerging as smaller adults. since a reduction in habitat size leads to increased larval densities, we also included two larval densities. newly-hatched floodwater mosquito larvae, aedes vexans (87.9% of emerged adults) and ochlerotatus sticticus (12.0% of emerged adults), w ...200616859100
an assessment of the effectiveness of the mosquito magnet pro model for suppression of nuisance mosquitoes.we tested the effectiveness of the american biophysics corporation mosquito magnet pro model (abc-pro) to reduce mosquito abundance in an urban (wolseley) and in a rural (fort whyte) setting in winnipeg, manitoba in 2001 and 2002. assessment was based on comparisons with control sites by using centers for disease control (cdc) light traps and landing counts on human observers. over a period of 94 trap nights, the abc-pro collected more than an estimated 2,000,000 mosquitoes of 6 species. aedes v ...200617067037
field evaluation against mosquitoes of regular and polymer-based deet formulations in manitoba, canada, with comment on methodological issues.studies were carried out in manitoba, canada, to evaluate the efficacy of three repellent products for protection of human subjects against mosquito bites. all test substances contained the active ingredient n,n-diethyl-3-methylbenzamide (deet); two were polymer-based creams (3m ultrathon insect repellent and morflex deet insect repellent 30) and the third (muskol insect repellent) was an alcohol-based pump spray formulation. application of repellent was to the forearm and lower legs of subjects ...200717547231
host choice and west nile virus infection rates in blood-fed mosquitoes, including members of the culex pipiens complex, from memphis and shelby county, tennessee, 2002-2003.the source of bloodmeals in 2,082 blood-fed mosquitoes collected from february 2002 through december 2003 in memphis and surrounding areas of shelby county, tennessee were determined. members of the genus culex and anopheles quadrimaculatus predominated in the collections. members of the cx. pipiens complex and cx. restuans were found to feed predominately upon avian hosts, though mammalian hosts made up a substantial proportion of the bloodmeals in these species. no significant difference was s ...200717767413
spatiotemporal monitoring of floodwater mosquito dispersal in osijek, croatia.this paper demonstrates the possibility of using geostatistics to monitor the dispersal of mosquitoes for mosquito control programs at the municipal level. the case study objective was to quantify the dispersal of floodwater mosquitoes from the natural marshland kopacki rit into the city of osijek, croatia, and to analyze the main factors controlling it. fifty thousand adult aedes vexans, ochlerotatus sticticus, and ochlerotatus caspius mosquitoes were marked with a powdered fluorescent pigment ...200717847840
laboratory and field evaluation of the impact of exercise on the performance of regular and polymer-based deet repellents.studies were done in manitoba, canada, to evaluate the impact of exercise on repellent performance against mosquitoes. two products containing the active ingredient n,n-diethyl-3-methylbenzamide (deet) were tested; one product was a polymer-based cream (3m ultrathon insect repellent) and the other product was an alcohol-based pump spray formulation (muskol insect repellent). assessments were done in the laboratory using aedes aegypti (l.) and in the field with naturally occurring populations of ...200718047202
comparison of mosquito (diptera: culicidae) populations by wetland type and year in the lower river dalälven region, central sweden.we studied adult mosquito assemblages in six wetlands, representing three types (wet meadow, alder swamp, and bog), in the lower part of the river dalälven in central sweden during three consecutive years (2000-2002) and evaluated the influence of wetland type and year. mosquito abundance differed significantly between years but not between wetland types. mosquito species richness showed no significant variation between years or wetland types. cluster analysis based on percentage of similarity r ...200818697318
influence of molting on efficacy of two functionally different larvicides: bti and temephos.the sensitivity of the second, third (l3), and fourth (l4) instars of culex pipiens l. and ochlerotatus sticticus (meigen) to two larvicides, temephos and bacillus thuringiensis variety israelensis (bti) was tested with and without molting occurring in the experiments. in the first experiment for both tested mosquito species, lc50 values increased from the second to the fourth instar when tested against temephos, whereas for bti the opposite trend was observed. the highest lc50 value was found f ...200818767729
blood feeding patterns of potential arbovirus vectors of the genus culex targeting ectothermic hosts.reptiles and amphibians constitute a significant portion of vertebrate biomass in terrestrial ecosystems and may be important arbovirus reservoirs. to investigate mosquito preference for ectothermic hosts, feeding indices were calculated from data collected in tuskegee national forest, alabama, usa. four mosquito species fed upon ectothermic hosts, with culex peccator and cx. territans feeding primarily upon ectotherms. these two species appeared to target distinct species with little overlap in ...018981528
production of wetland chironomidae (diptera) and the effects of using bacillus thuringiensis israelensis for mosquito control.massive mosquito nuisance problems, caused by the flood-water mosquito aedes sticticus, occur after floods in the flood plains of the river dalälven, central sweden. since 2002, the biological mosquito larvicide bacillus thuringiensis var. israelensis (bti) has been used to control these mosquitoes. here, we report results from the first six years of monitoring chironomidae, the most susceptible non-target organisms, in three wetlands with bti-treatment against mosquitoes and in three wetlands w ...201019497137
high species richness of chironomidae (diptera) in temporary flooded wetlands associated with high species turn-over rates.species richness and species turn-over of chironomidae was studied in irregularly flooded wetlands of the river dalälven flood-plains in central sweden. the chironomid fauna, sampled with emergence traps in six wetlands over six summers, contained as much as 135 species, and the cumulative species curves indicated that the regional species pool contain several more species. recurrent irregular floods may have induced this high chironomid species richness and the high species turn-over in the tem ...201019939319
blood feeding patterns of mosquitoes: random or structured?abstract:201020205866
isolation and phylogenetic analysis of sindbis viruses from mosquitoes in germany.a molecular survey of 16,057 mosquitoes captured in southwest germany during the summer of 2009 demonstrated the presence of sindbis virus (sinv) in culex spp. and anopheles maculipennis sensu lato. phylogenetic analysis of the german sinv strains linked them with swedish sinv strains, the causative agent of ockelbo disease in humans.201020335414
a six-year study of insect emergence from temporary flooded wetlands in central sweden, with and without bti-based mosquito control.in temporary wetlands in the river dalälven floodplains, recurrent but irregular floods induce massive hatching of the flood-water mosquito aedes sticticus, which causes enormous nuisance. flood-water mosquito control using the biological larvicide bacillus thuringiensis var. israelensis (bti) was commenced in parts of the floodplains during 2002, and here we report the first six years of full-season monitoring of general insect emergence from temporary wetlands with and without treatment. emerg ...201020504386
lack of evidence for the presence of mosquito-borne arboviruses in the upper rhine valley, germany, in 1999 to 2000. 201020592140
the present distribution and predicted geographic expansion of the floodwater mosquito aedes sticticus in sweden.the mass emergence of floodwater mosquitoes, in particular aedes sticticus and aedes vexans, causes substantial nuisance and reduces life quality for inhabitants of infested areas and can have a negative impact on the socio-economic conditions of a region. we compared the previous, present, and predicted geographic distribution of ae. sticticus in sweden. previous records from the literature until 1990 list the species in three out of 21 swedish counties. beginning in 1998, studies show that the ...200920836814
molecular detection of persistent francisella tularensis subspecies holarctica in natural waters.tularemia, caused by the bacterium francisella tularensis, where f. tularensis subspecies holarctica has long been the cause of endemic disease in parts of northern sweden. despite this, our understanding of the natural life-cycle of the organism is still limited. during three years, we collected surface water samples (n = 341) and sediment samples (n = 245) in two areas in sweden with endemic tularemia. real-time pcr screening demonstrated the presence of f. tularenis lpna sequences in 108 (32% ...201020885922
heritability and adaptive phenotypic plasticity of adult body size in the mosquito aedes aegypti with implications for dengue vector competence.adaptive phenotypic plasticity is particularly important to organisms with developmental cycles that undergo ontogenetic niche shifts that differentially subject individual life stages to heterogeneous and often stressful environmental conditions. the yellow fever and dengue fever vector mosquito, aedes aegypti, typically breeds in small water-filled containers that expose the developing aquatic larvae to competition for resources with conspecifics and high probabilities for habitat drying. here ...201021070891
host reproductive phenology drives seasonal patterns of host use in mosquitoes.seasonal shifts in host use by mosquitoes from birds to mammals drive the timing and intensity of annual epidemics of mosquito-borne viruses, such as west nile virus, in north america. the biological mechanism underlying these shifts has been a matter of debate, with hypotheses falling into two camps: (1) the shift is driven by changes in host abundance, or (2) the shift is driven by seasonal changes in the foraging behavior of mosquitoes. here we explored the idea that seasonal changes in host ...201121408172
distribution of bacillus thuringiensis subsp. israelensis in soil of a swiss wetland reserve after 22 years of mosquito control.recurrent treatments with bacillus thuringiensis subsp. israelensis are required to control the floodwater mosquito aedes vexans that breeds in large numbers in the wetlands of the bolle di magadino reserve in canton ticino, switzerland. interventions have been carried out since 1988. in the present study, the spatial distribution of resting b. thuringiensis subsp. israelensis spores in the soil was measured. the b. thuringiensis subsp. israelensis concentration was determined in soil samples co ...201121498758
transstadial transmission of francisella tularensis holarctica in mosquitoes, sweden.in sweden, human cases of tularemia caused by francisella tularensis holarctica are assumed to be transmitted by mosquitoes, but how mosquito vectors acquire and transmit the bacterium is not clear. to determine how transmission of this bacterium occurs, mosquito larvae were collected in an area where tularemia is endemic, brought to the laboratory, and reared to adults in their original pond water. screening of adult mosquitoes by real-time pcr demonstrated f. tularensis lpna sequences in 14 of ...201121529386
a multi-year study of mosquito feeding patterns on avian hosts in a southeastern focus of eastern equine encephalitis virus.abstract. eastern equine encephalitis virus (eeev) is a mosquito-borne pathogen that cycles in birds but also causes severe disease in humans and horses. we examined patterns of avian host use by vectors of eeev in alabama from 2001 to 2009 using blood-meal analysis of field-collected mosquitoes and avian abundance surveys. the northern cardinal (cardinalis cardinalis) was the only preferred host (fed on significantly more than expected based on abundance) of culiseta melanura, the enzootic vect ...201121540380
Isolation of usutu virus in Germany.Usutu virus (USUV) is a mosquito-borne flavivirus that emerged 2001 in Austria and caused deaths in wild birds. In Germany, 70,378 female mosquitoes were captured in 2009 and 2010 and assayed for USUV. Virus was isolated in cell culture from one pool of Culex pipiens pipiens mosquitoes trapped exclusively in August 2010 in Weinheim, Germany. Subsequent phylogenetic analysis demonstrated a close relationship between the isolated USUV strain from Germany and a USUV strain from Austria, which was d ...201121896821
molecular detection of setaria tundra (nematoda: filarioidea) and an unidentified filarial species in mosquitoes in germany.knowledge of the potential vector role of culicidae mosquitoes in germany is very scanty, and until recently it was generally assumed that they are not involved in the transmission of anthroponotic or zoonotic pathogens in this country. however, anticipated changes in the course of global warming and globalization may alter their status.201222236560
dispersal of culex mosquitoes (diptera: culicidae) from a wastewater treatment facility.a mark-recapture project examined dispersal and flight distances of culex mosquitoes from a wastewater treatment plant in albany, ny, during 2007 and 2008. a self-marking device was constructed to mark egressing mosquitoes with fluorescent marking powder. mosquitoes were recaptured using 30 cdc miniature light traps located within a 2.0 km radius of the marking site. a total of 13 and 10 marked culex mosquitoes were recaptured in 2007 and 2008, respectively. culex mosquitoes traveled a minimum o ...022308769
potential for canadian mosquitoes to transmit rift valley fever virus.the rapid spread of west nile viral activity across north america since its discovery in 1999 illustrates the potential for an exotic arbovirus to be introduced and become widely established across north america. rift valley fever virus (rvfv) has been responsible for large outbreaks in africa that have resulted in hundreds of thousands of human infections and major economic disruption due to loss of livestock and to trade restrictions. however, little is known about the potential for mosquitoes ...201122329267
north american wetlands and mosquito control.wetlands are valuable habitats that provide important social, economic, and ecological services such as flood control, water quality improvement, carbon sequestration, pollutant removal, and primary/secondary production export to terrestrial and aquatic food chains. there is disagreement about the need for mosquito control in wetlands and about the techniques utilized for mosquito abatement and their impacts upon wetlands ecosystems. mosquito control in wetlands is a complex issue influenced by ...201223222252
an evaluation of the effectiveness of a commercial mechanical trap to reduce abundance of adult nuisance mosquito populations.in this study, we explore the potential of a commercially available mechanical mosquito control device, the liberty plus mosquito magnet (hereafter referred to as mosquito magnet), to reduce the abundance of adult nuisance mosquito populations in public recreational areas. mosquitoes were trapped on 2 replicate sites close to a campground at brae island regional park near fort langley, british columbia, canada. each site comprised a treatment (mosquito magnets used) and control subsection (mosqu ...201223393751
dirofilaria repens microfilariae in aedes vexans mosquitoes in slovakia.in this study, we screened field-caught mosquitoes for presence of dirofilaria spp. by using a polymerase chain reaction (pcr) assay. potential occurrence of dirofilaria repens and dirofilaria immitis microfilariae was examined in 3,600 mosquitoes of eight species (aedes vexans, aedes cinereus, aedes rossicus, culex pipiens, culiseta annulata, ochlerotatus sticticus, ochlerotatus cantans and ochlerotatus caspius) collected from five locations in two districts (kosice and trebisov) of eastern slo ...201323846240
monitoring resistance to bacillus thuringiensis subsp. israelensis in the field by performing bioassays with each cry toxin separately.bacillus thuringiensis subsp. israelensis (bti) is increasingly used worldwide for mosquito control and is the only larvicide used in the french rhône-alpes region since decades. the artificial selection of mosquitoes with field-persistent bti collected in breeding sites from this region led to a moderate level of resistance to bti, but to relatively high levels of resistance to individual bti cry toxins. based on this observation, we developed a bioassay procedure using each bti cry toxin separ ...024037105
francisella tularensis subspecies holarctica occurs in swedish mosquitoes, persists through the developmental stages of laboratory-infected mosquitoes and is transmissible during blood feeding.in sweden, mosquitoes are considered the major vectors of the bacterium francisella tularensis subsp. holarctica, which causes tularaemia. the aim of this study was to investigate whether mosquitoes acquire the bacterium as aquatic larvae and transmit the disease as adults. mosquitoes sampled in a swedish area where tularaemia is endemic (örebro) were positive for the presence of f. tularensis deoxyribonucleic acid throughout the summer. presence of the clinically relevant f. tularensis subsp. h ...201324057273
european surveillance for west nile virus in mosquito populations.a wide range of arthropod-borne viruses threaten both human and animal health either through their presence in europe or through risk of introduction. prominent among these is west nile virus (wnv), primarily an avian virus, which has caused multiple outbreaks associated with human and equine mortality. endemic outbreaks of west nile fever have been reported in italy, greece, france, romania, hungary, russia and spain, with further spread expected. most outbreaks in western europe have been due ...201324157510
molecular detection of dirofilaria immitis, dirofilaria repens and setaria tundra in mosquitoes from germany.as a result of globalization and climate change, dirofilaria immitis and dirofilaria repens, the causative agents of dirofilariosis in europe, continue to spread from endemic areas in the mediterranean to northern and northeastern regions of europe where autochthonous cases of dirofilarial infections have increasingly been observed in dogs and humans. whilst d. repens was recently reported from mosquitoes in putatively non-endemic areas, d. immitis has never been demonstrated in mosquitoes from ...201424433279
evolutionary and plastic responses of freshwater invertebrates to climate change: realized patterns and future potential.we integrated the evidence for evolutionary and plastic trait changes in situ in response to climate change in freshwater invertebrates (aquatic insects and zooplankton). the synthesis on the trait changes in response to the expected reductions in hydroperiod and increases in salinity indicated little evidence for adaptive, plastic, and genetic trait changes and for local adaptation. with respect to responses to temperature, there are many studies on temporal trait changes in phenology and body ...201324454547
six polymorphic microsatellites in the flood-water mosquito aedes sticticus. 201324581372
worthy of their name: how floods drive outbreaks of two major floodwater mosquitoes (diptera: culicidae).an understanding of how climate variables drive seasonal dynamics of mosquito populations is critical to mitigating negative impacts of potential outbreaks, including both nuisance effects and risk of mosquito-borne infectious disease. here, we identify climate variables most affecting seasonal dynamics of two major floodwater mosquitoes, aedes vexans (meigen, 1830) and aedes sticticus (meigen, 1838) (diptera: culicidae), along the lower courses of the dyje river, at the border between the czech ...201424605456
mosquitoes (diptera: culicidae) of metropolitan hamburg, germany.in europe, mosquito-related public health concerns are growing due to the increasing spread of invasive mosquito species and the recent emergence of mosquito-borne arboviruses. a vital backbone in the assessment of these issues is detailed knowledge of the mosquito fauna, i.e. regional mosquito inventories. it was therefore decided to intensify nationwide investigations on the occurrence and distribution of mosquitoes in germany in order to update old records and to detect possible faunal change ...201424870250
specific detection of the floodwater mosquitoes aedes sticticus and aedes vexans dna in predatory diving beetles.floodwater mosquitoes (diptera: culicidae) are associated with periodically flooded wet meadows, marshes, and swamps in floodplains of major rivers worldwide, and their larvae are abundant in the shallow parts of flooded areas. the nuisance caused by the blood-seeking adult female mosquitoes motivates mosquito control. larviciding with bacillus thuringiensis israelensis is considered the most environmentally safe method. however, some concern has been raised whether aquatic predatory insects cou ...201524895318
field evaluation of four widely used mosquito traps in central europe.to monitor adult mosquitoes several trapping devices are available. these are differently constructed and use various mechanisms for mosquito attraction, thus resulting in different trapping sensitivities and efficacies for the various species. mosquito monitoring and surveillance programs in europe use various types of mosquito traps, but only a few comparisons have been conducted so far. this study compared the performance of four commercial trapping devices, which are commonly used in europe.201424924481
lack of evidence for the presence of schmallenberg virus in mosquitoes in germany, 2011.in 2011, a novel orthobunyavirus of the simbu serogroup was discovered near the german-dutch border and named schmallenberg virus (sbv). so far, sbv genome has been detected in various field-collected culicoides species; however, other members of the simbu serogroup are also transmitted by mosquitoes.201425174354
predicting the mosquito species and vertebrate species involved in the theoretical transmission of rift valley fever virus in the united states.rift valley fever virus (rvfv) is a mosquito-borne virus in the family bunyaviridiae that has spread throughout continental africa to madagascar and the arabian peninsula. the establishment of rvfv in north america would have serious consequences for human and animal health in addition to a significant economic impact on the livestock industry. published and unpublished data on rvfv vector competence, vertebrate host competence, and mosquito feeding patterns from the united states were combined ...201425211133
monitoring of west nile virus in mosquitoes between 2011-2012 in hungary.west nile virus (wnv) is a widely distributed mosquito-borne flavivirus. wnv strains are classified into several genetic lineages on the basis of phylogenetic differences. whereas lineage 1 viruses are distributed worldwide, lineage 2 wnv was first detected outside of africa in hungary in 2004. since then, wnv-associated disease and mortality in animal and human hosts have been documented periodically in hungary. after the first detection of wnv from a pool of culex pipiens mosquitoes in 2010, s ...025229703
mosquitoes (diptera: culicidae) and their relevance as disease vectors in the city of vienna, austria.mosquitoes (diptera: culicidae) are important vectors for a wide range of pathogenic organisms. as large parts of the human population in developed countries live in cities, the occurrence of vector-borne diseases in urban areas is of particular interest for epidemiologists and public health authorities. in this study, we investigated the mosquito occurrence in the city of vienna, austria, in order to estimate the risk of transmission of mosquito-borne diseases. mosquitoes were captured using di ...201425468380
arboviruses in north dakota, 2003-2006.to investigate arbovirus transmission in north dakota, we collected and screened mosquitoes for viral infection by vero cell culture assay. seven viruses were isolated from 13 mosquito species. spatial and temporal distributions of the important vectors of west nile virus (wnv), cache valley virus, jamestown canyon virus (jcv), and trivittatus virus are reported. snowshoe hare virus, potosi virus, and western equine encephalomyelitis virus were also isolated. the risks of culex tarsalis and aede ...201425487728
approaches to passive mosquito surveillance in the eu.the recent emergence in europe of invasive mosquitoes and mosquito-borne disease associated with both invasive and native mosquito species has prompted intensified mosquito vector research in most european countries. central to the efforts are mosquito monitoring and surveillance activities in order to assess the current species occurrence, distribution and, when possible, abundance, in order to permit the early detection of invasive species and the spread of competent vectors. as active mosquit ...201525567671
impacts of the creation, expansion and management of english wetlands on mosquito presence and abundance - developing strategies for future disease mitigation.the incidence of mosquito-borne diseases is increasing in europe, partly due to the incursion of a number of invasive species known to be vectors of dengue and chikungunya viruses, but also due to the involvement of native species in the transmission of west nile virus and malaria. for some of these pathogens, there is a risk of the re-emergence of vector-borne diseases that were once widespread in europe, but declined partly due to large-scale land-drainage projects. some mosquito species explo ...201525889666
hyperparasitism of mosquitoes by water mite larvae.hyperparasitism of ectoparasitic water mite larvae on mosquitoes is still a neglected relationship and was investigated only in a few studies. we analysed 2313 female mosquitoes from six different sampling localities with regard to their degree of parasitism with water mite larvae. in total, we found 38 mosquito individuals parasitized by 93 water mite larvae, ranging from 1 to 12 larvae per mosquito. water mite larvae detected are members of the two species parathyas cf. barbigera (n = 92) and ...201525899329
current status of invasive mosquito surveillance in the uk.non-native invasive mosquitoes have for many years made incursions into europe, and are now established in many european countries. the continued european importation of potential vectors and their expansion within europe increases their potential for importation and establishment in the uk. coupled with increasing numbers of returning dengue and chikungunya infected travellers, the potential exists for transmission of vector borne disease in new regions.201526122427
first report outside eastern europe of west nile virus lineage 2 related to the volgograd 2007 strain, northeastern italy, 2014.west nile virus (wnv) is a flavivirus transmitted to vertebrate hosts by mosquitoes, maintained in nature through an enzootic bird-mosquito cycle. in europe the virus became of major public health and veterinary concern in the 1990s. in italy, wnv re-emerged in 2008, ten years after the previous outbreak and is currently endemic in many areas of the country. in particular, the northeastern part of italy experience continuous viral circulation, with human outbreaks caused by different genovariant ...201526265490
vector-host interactions of culiseta melanura in a focus of eastern equine encephalitis virus activity in southeastern virginia.eastern equine encephalitis virus (eeev) causes a highly pathogenic mosquito-borne zoonosis that is responsible for sporadic outbreaks of severe illness in humans and equines in the eastern usa. culiseta (cs.) melanura is the primary vector of eeev in most geographic regions but its feeding patterns on specific avian and mammalian hosts are largely unknown in the mid-atlantic region. the objectives of our study were to: 1) identify avian hosts of cs. melanura and evaluate their potential role in ...201526327226
ecology of culiseta melanura and other mosquitoes (diptera: culicidae) from walton county, fl, during winter period 2013-2014.winter ecology of putative vectors of eastern equine encephalomyelitis virus (eeev) in northern florida was investigated at field locations with evidence of historic eeev winter transmission. light traps and resting shelters were used to sample the mosquito community in the vicinity of eight sentinel flocks throughout the winter period (november-april) of 2013 and 2014 in walton county, fl. overall mosquito activity was relatively low, although mosquitoes were captured during each week of the st ...201526336227
potential mosquito (diptera:culicidae) vector of dirofilaria repens and dirofilaria immitis in urban areas of eastern slovakia.this paper follows the study from 2013 focused on the molecular screening of mosquitoes as vectors of dirofilaria spp. which provided the information on aedes vexans as a potential vector of dirofilaria repens in slovakia. current entomological and molecular research indicates that ae. vexans can participate also in the transmission of dirofilaria immitis within the region. using the standard pcr method, we examined 10,500 mosquitoes (ae. vexans, ae. rossicus, anopheles maculipennis s.l., ochler ...201526391170
circulation of dirofilaria repens, setaria tundra, and onchocercidae species in hungary during the period 2011-2013.dirofilaria repens and recently dirofilaria immitis are known to be endemic in hungary. since there is no related research on dirofilaria carrier mosquito species from hungary, we conducted a three-year mosquito surveillance study between 2011 and 2013. during the study period we examined 23,139 female mosquitoes with a generic filaria-specific taqman pcr assay, and characterized them by sequencing a 500 bp segment of 12s rrna. an important result of our study was the detection of setaria tundra ...201526412142
direct pcr of indigenous and invasive mosquito species: a time- and cost-effective technique of mosquito barcoding.millions of people die each year as a result of pathogens transmitted by mosquitoes. however, the morphological identification of mosquito species can be difficult even for experts. the identification of morphologically indistinguishable species, such as members of the anopheles maculipennis complex (diptera: culicidae), and possible hybrids, such as culex pipiens pipiens/culex pipiens molestus (diptera: culicidae), presents a major problem. in addition, the detection and discrimination of newly ...201526663040
first molecular identification of dirofilaria spp. (onchocercidae) in mosquitoes from serbia.dirofilariosis is a common and widespread veterinary health issue in several european countries with notable zoonotic potential. the causative agents are dirofilaria immitis and dirofilaria repens nematoda species which are transmitted by different mosquito vectors. similar to other mosquito-borne infections, the knowledge about mosquito species involved in disease transmission is crucial for the complex understanding of local transmission cycles. since there is no available data on mosquito spe ...201627193348
host-feeding patterns of mosquito species in germany.mosquito-borne pathogens are of growing importance in many countries of europe including germany. at the same time, the transmission cycles of most mosquito-borne pathogens (e.g. viruses or filarial parasites) are not completely understood. there is especially a lack of knowledge about the vector capacity of the different mosquito species, which is strongly influenced by their host-feeding patterns. while this kind of information is important to identify the relevant vector species, e.g. to dire ...201627259984
circulation of dirofilaria repens and dirofilaria immitis in moldova.over the last two decades, a significant spread of dirofilariasis has been observed in eastern and central europe. however, data on the circulation of dirofilaria spp. in moldova were absent although direct neighbor states reported high incidence rates of human dirofilariasis.201627912786
an overview of mosquitoes and emerging arboviral infections in the zagreb area, croatia.mosquito control in the zagreb area has been conducted for many years, whereas the fauna has only been investigated in the last 20 years. so far 30 mosquito species have been detected in the city area. culex pipiens form molestus is the dominant mosquito species in indoor breeding sites. in forested areas and areas exposed to flooding, the active period is early spring and the dominant species are ochlerotatus sticticus, ochlerotatus cantans, ochlerotatus geniculatus and aedes vexans. the eudomi ...201628036307
aedes nigrinus (eckstein, 1918) (diptera, culicidae), a new country record for england, contrasted with aedes sticticus (meigen, 1838).we report the discovery of aedes nigrinus (eckstein, 1918) in the new forest of southern england, bringing to 36 the number of mosquito species recorded in britain. because it seems that this species has been misidentified previously in britain as the morphologically similar aedes sticticus (meigen, 1838), the two species are contrasted and distinguished based on distinctive differences exhibited in the adult and larval stages. the pupa of ae. nigrinus is unknown, but the pupa of ae. sticticus i ...201728769663
a report on the mosquitoes of mainland åland, southwestern finland and revised list of finnish mosquitoes.to successfully implement surveillance or control strategies for mosquitoes, up-to-date knowledge of regional species composition is vital. the last report regarding mosquitoes (diptera: culicidae) in the åland archipelago, southwestern finland listed 19 species (utrio, 1979). to determine the current species diversity, one collection trip was made to mainland åland in 2015 and three in 2016. mosquitoes (n = 3286) were collected as both adult and immature life stages from 88 collections within 2 ...201729064596
diversity and seasonal abundances of mosquitoes at potential arboviral transmission sites in two different climate zones in switzerland.pathogens of medical or veterinary significance that are transmitted by mosquitoes (diptera: culicidae) are (re-)emerging in europe [e.g. west nile virus (wnv), dirofilaria nematodes]. little is known about the spatiotemporal abundances of mosquito species in switzerland. therefore, mosquito population dynamics were investigated, focusing on areas of risk for sylvatic or synanthropic transmission, such as natural sites and suburban sites on either side of the alpine crest. repeated collections w ...201829424446
urbanization impact on mosquito community and the transmission potential of filarial infection in central europe.despite long-term research on dirofilariosis in slovakia, little attention has thus far been paid to dirofilaria vectors. the particular aim of the present study was molecular screening for filarioid parasites in two different habitats of bratislava, the capital city of slovakia. in addition, the effect of urbanisation on mosquito species abundance and composition, associated with the risk of mosquito-borne infections, was studied and discussed.201829690912
pest occurrence of aedes rossicus close to the arctic circle in northern sweden.major nuisance species are found among the floodwater mosquitoes and snow-pool mosquitoes, with the former being the main reason for mosquito control in most areas. nuisance species vary with the area, and previous reports from northern areas conclude that the nuisance is most often caused by snow-pool mosquitoes. we investigated the mosquito fauna and abundances of host-seeking females using cdc traps baited with carbon dioxide, in övertorneå city near the arctic circle in northern sweden, afte ...201829757502
which mosquitoes (diptera: culicidae) are candidates for dna extraction in forensic practice?mosquitoes can be of importance in forensic context as a source of the perpretator's dna. the aim of this study was to find how can we optimize the selection of appropriate mosquito individuals. the study was based on the data of 177833 trapped female mosquitoes and 105236 individuals which were collected directly from human skin. the mean human-specific biting willingness value of aedes species was the highest (mean: 0.8). significant differences were found between the human-specific biting wil ...201830005339
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