| epidemic venezuelan equine encephalitis in north america in 1971: vector studies. | a major epidemic of venezuelan equine encephalitis occurred in south texas in the summer of 1971. more than 1500 equines died of vee in texas, and 110 human cases with no deaths were reported. vector studies in south texas and northern tamaulipas revealed that the overall mosquito infection rates during the peak of the epidemic were about 1:100, one of the highest rates observed for a major epidemic. mosquito infection rates of this magnitude could easily explain the intensity of vee outbreaks i ... | 1975 | 235212 |
| transmission of venezuelan equine encephalomyelitis virus by aedes sollicitans and aedes taeniorhynchus (diptera: culicidae). | experimental studies compared the vector competence of aedes sollicitans (skuse) and ae. taeniorhynchus (wiedemann) collected on assateague island, va., for an epizootic strain (trinidad donkey) of venezuelan equine encephalomyelitis (vee) virus. infection rates were significantly higher in ae. sollicitans (101/107, 94%) than in ae. taeniorhynchus (103/175, 59%), even though both species fed concurrently on the same infected hamsters. similarly, dissemination and transmission rates were signific ... | 1992 | 1552530 |
| trajectory analysis of winds and eastern equine encephalitis in usa, 1980-5. | backward trajectories of winds were determined to identify possible sources of eastern equine encephalitis virus associated with isolation of virus from mosquitoes or birds or outbreaks in horses between 1980 and 1985 in maryland, new jersey, new york and michigan, usa. the results of the trajectory analyses suggested that eastern equine encephalitis virus could have been carried by infected mosquitoes on surface winds at temperatures 13 degrees c or higher from north carolina north-eastwards al ... | 1990 | 1969804 |
| isolation of eastern equine encephalitis virus from aedes sollicitans during an epizootic in southern new jersey. | eastern equine encephalitis virus (eee) was isolated from the salt marsh mosquito, aedes sollicitans, collected from coastal areas of new jersey on 3 occasions during the late summer and fall of 1982. the isolations were made at a time when local culiseta melanura were either undergoing a population increase or exhibiting high levels of eee virus. although no human cases were reported during the epizootic period, the data lend support to the hypothesis that ae. sollicitans is capable of function ... | 1986 | 2853203 |
| distribution of bunyamwera serogroup viruses in north america, 1956-1984. | we attempted to tabulate all bunyamwera serogroup (family bunyaviridae, genus bunyavirus) isolates from north america. by summarizing information from the laboratories of the centers for disease control, data generously shared by other laboratories, and the published literature, we were able to accumulate data regarding 1,372 bunyamwera serogroup viruses. these were: tensaw (664, including 8 from vertebrates), cache valley (396, including 6 from vertebrates), main drain (160, including 14 from v ... | 1986 | 2869708 |
| cache valley virus from aedes sollicitans in new jersey. | | 1986 | 3507480 |
| intracellular melanization of the larvae of dirofilaria immitis in the malpighian tubules of the mosquito, aedes sollicitans. | | 1985 | 3998488 |
| studies with equine infectious anemia virus: transmission attempts by mosquitoes and survival of virus on vector mouthparts and hypodermic needles, and in mosquito tissue culture. | biological and mechanical transmission trials with psorophora columbiae (dyar and knab) and aedes sollicitans (walker) and ponies acutely infected with equine infectious anemia virus (eiav) were negative. the eiav antigen was detected by radioimmunoassay in ae sollicitans immediately after the mosquitoes had fed on an acutely ill pony, but not 14 days after feeding. psorophora columbiae mosquitoes had detectable eiav antigen as determined by radioimmunoassay 24 hours after they fed on an acutely ... | 1981 | 6119953 |
| fatal exsanguination of cattle attributed to an attack of salt marsh mosquitoes (aedes sollicitans). | | 1981 | 7341572 |
| malathion resistance in mosquitoes from charleston and georgetown counties of coastal south carolina. | susceptibility tests were conducted using the world health organization diagnostic test procedure on strains of aedes taeniorhynchus, aedes sollicitans, aedes vexans, and culex nigripalpus collected from several localities in charleston and georgetown counties of south carolina. aedes taeniorhynchus was resistant to malathion (mortality 1.0-54.4%) but not to propoxur, permethrin, or fenitrothion. there also were indications that ae. sollicitans and cx. nigripalpus were resistant to malathion, bu ... | 1994 | 7912262 |
| multiple isolations of eastern equine encephalitis and highlands j viruses from mosquitoes (diptera: culicidae) during a 1996 epizootic in southeastern connecticut. | thirty-six isolations of eastern equine encephalitis virus were obtained from 8 species of mosquitoes collected from 5 september through 18 october 1996 during an epizootic in southeastern connecticut. these included culiseta melanura (coquillett) (19 isolates), culex pipiens l. (8), culiseta morsitans (theobald) (3), aedes sollicitans (walker) (2), aedes cantator (coquillett) (1), aedes trivittatus (coquillett) (1), aedes vexans (meigen) (1), and coquillettidia perturbans (walker) (1). isolatio ... | 1998 | 9615549 |
| density and distribution of dirofilaria immitis (nematoda: filarioidea) third-stage larvae in aedes sollicitans and aedes taeniorhynchus (diptera: culicidae). | numbers and the distribution of third-stage larvae (l3) were investigated in aedes sollicitans (walker) and aedes taeniorhynchus (wiedemann) female mosquitoes fed dirofilaria immitis (leidy) infectious-blood with densities of microfilariae (mf) ranging from approximately 7,100-43,400 mf/ml. at each microfilarial density, a maximum of 63-66 infective larvae were recovered from an ae. sollicitans alive on day 15 after infection. in comparison with ae. taeniorhynchus, ae. sollicitans averaged great ... | 2000 | 11004780 |
| vector competence of north american mosquitoes (diptera: culicidae) for west nile virus. | we evaluated the potential for several north american mosquito species to transmit the newly introduced west nile (wn) virus. mosquitoes collected in the new york city metropolitan area during the recent wn virus outbreak, at the assateague island wildlife refuge, va, or from established colonies were allowed to feed on chickens infected with wn virus isolated from a crow that died during the 1999 outbreak. these mosquitoes were tested approximately 2 wk later to determine infection, disseminati ... | 2001 | 11296813 |
| evaluation of 1-octen-3-ol, carbon dioxide, and light as attractants for mosquitoes associated with two distinct habitats in north carolina. | field studies were conducted in north carolina to determine the responses of mosquitoes found in salt marsh and inland creek flood plain areas to 1-octen-3-ol (octenol), carbon dioxide (co2), and light in various combinations with centers for disease control (cdc) light traps. over 56,000 adult mosquito specimens of 12 species in 4 genera were collected in the salt marsh. they exhibited a general response pattern of octenol + co2 + light > co2 + light = octenol + co2 > octenol + light > octenol ... | 2001 | 11345421 |
| transmission of eastern equine encephalomyelitis virus in central alabama. | a site near tuskegee, alabama was examined for vector activity of eastern equine encephalomyelitis (eee) virus in 2001. more than 23,000 mosquitoes representing 8 genera and 34 species were collected during a 21-week period, and five species, culiseta melanura, aedes vexans, coquillettidia perturbans, culex erraticus, and uranotaenia sapphirina, were examined for the presence of virus using a nested reverse transcriptase-polymerase chain reaction for eee virus. each species was infected at vario ... | 2003 | 12875303 |
| transmission of eastern equine encephalitis to horses by aedes sollicitans mosquitoes. | | 1956 | 13362746 |
| 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 ... | 2004 | 15682518 |
| first report of west nile virus in mosquitoes from lubbock county, texas. | since july 2002, ongoing surveillance efforts have been conducted to determine potential vectors of west nile virus (wnv) and saint louis encephalitis virus (slev) in the mosquito population occurring in lubbock county, texas. adult mosquitoes collected in lubbock county during 2002 and 2003 represented 7 genera, with culex tarsalis and ochlerotatus sollicitans being the predominant species collected. mosquitoes were initially screened for wnv and slev by using the vectest antigen panel assay. p ... | 2005 | 15825772 |
| entomopathogenic fungi for mosquito control: a review. | fungal diseases in insects are common and widespread and can decimate their populations in spectacular epizootics. virtually all insect orders are susceptible to fungal diseases, including dipterans. fungal pathogens such as lagenidium, coelomomyces and culicinomyces are known to affect mosquito populations, and have been studied extensively. there are, however, many other fungi that infect and kill mosquitoes at the larval and/or adult stage. the discovery, in 1977, of the selective mosquito-pa ... | 2004 | 15861235 |
| mosquito surveillance for west nile virus in southeastern wisconsin--2002. | in 2001, west nile virus (wnv) was identified among dead american crows and bluejays in five counties in southeastern wisconsin. in response to the introduction of wnv, a pilot mosquito surveillance program was initiated in these five southeastern wisconsin counties during the summer of 2002. forty sites were selected for surveillance one night each week during a 17-week period. mosquitoes were collected in carbon dioxide-baited light traps and gravid traps. during the study period 31,419 mosqui ... | 2003 | 15931283 |
| variation in interferon sensitivity and induction among strains of eastern equine encephalitis virus. | eastern equine encephalitis virus (eeev) causes human encephalitis in north america (na), but in south america (sa) it has rarely been associated with human disease, suggesting that sa strains are less virulent. to evaluate the hypothesis that this virulence difference is due to a greater ability of na strains to evade innate immunity, we compared replication of na and sa strains in vero cells pretreated with interferon (ifn). human ifn-alpha, -beta, and -gamma generally exhibited less effect on ... | 2005 | 16103182 |
| targeted trapping of mosquito vectors in the chesapeake bay area of maryland. | most adult mosquito surveillance in maryland is performed using dry ice-baited or unbaited centers for disease control (cdc) miniature light traps suspended approximately 1.5 m above the ground. however, standardized trapping methods may miss mosquito species involved in disease transmission cycles. during a 2-yr study, the effectiveness of the olfactory attractant 1-octen-3-ol alone and in combination with carbon dioxide was evaluated for collecting mosquito vector species. in addition, trap he ... | 2006 | 16619593 |
| eastern equine encephalitis--new hampshire and massachusetts, august-september 2005. | during august-september 2005, the new hampshire department of health and human services reported seven cases of human eastern equine encephalitis virus (eeev) disease, the first laboratory-confirmed, locally acquired cases of human eeev disease reported from new hampshire in 41 years of national surveillance. also during august--september 2005, the massachusetts department of public health reported four cases of human eeev disease, five times the annual average of 0.8 cases reported from massach ... | 2006 | 16810146 |
| genome of invertebrate iridescent virus type 3 (mosquito iridescent virus). | iridoviruses (ivs) are classified into five genera: iridovirus and chloriridovirus, whose members infect invertebrates, and ranavirus, lymphocystivirus, and megalocytivirus, whose members infect vertebrates. until now, chloriridovirus was the only iv genus for which a representative and complete genomic sequence was not available. here, we report the genome sequence and comparative analysis of a field isolate of invertebrate iridescent virus type 3 (iiv-3), also known as mosquito iridescent viru ... | 2006 | 16912294 |
| avian gis models signal human risk for west nile virus in mississippi. | west nile virus (wnv) poses a significant health risk for residents of mississippi. physicians and state health officials are interested in new and efficient methods for monitoring disease spread and predicting future outbreaks. geographic information systems (gis) models have the potential to support these efforts. environmental conditions favorable for mosquito habitat were modeled using gis to derive wnv risk maps for mississippi. variables important to wnv dissemination were selected and cla ... | 2006 | 16945154 |
| is vector body size the key to reduced malaria transmission in the irrigated region of niono, mali? | malaria vectors can reach very high densities in villages near irrigated rice fields in africa, leading to the expectation that malaria should be especially prevalent there. surprisingly, this is not always the case. in niono, mali, villages from nonirrigated areas have higher malaria prevalence than those within the irrigated regions, which suffer from higher mosquito numbers. one hypothesis explaining this observation is that mosquitoes from irrigated fields with high densities are inefficient ... | 2006 | 17017214 |
| transcription profiling of a recently colonised pyrethroid resistant anopheles gambiae strain from ghana. | mosquito resistance to the pyrethroid insecticides used to treat bednets threatens the sustainability of malaria control in sub-saharan africa. while the impact of target site insensitivity alleles is being widely discussed the implications of insecticide detoxification--though equally important--remains elusive. the successful development of new tools for malaria intervention and management requires a comprehensive understanding of insecticide resistance, including metabolic resistance mechanis ... | 2007 | 17261191 |
| discriminative feeding behaviour of anopheles gambiae s.s. on endemic plants in western kenya. | anopheles gambiae giles s.s. (diptera: culicidae) is known to feed on plant sugars, but this is the first experimental study to consider whether it discriminates between plant species. thirteen perennial plant species were selected on the basis of their local availability within the vicinity of human dwellings and larval habitats of an. gambiae s.s. in western kenya. groups of 100 or 200 mosquitoes were released into cages either with a cutting of one plant type at a time (single-plant assay) or ... | 2007 | 17373953 |
| urban habitat evaluation for west nile virus surveillance in mosquitoes in albuquerque, new mexico. | as part of an ongoing mosquito surveillance program, 27 sites in the greater metropolitan albuquerque area (bernalillo county, new mexico) were trapped from may through september 2004. each site was sampled for 1 night weekly, using a standard co2-baited centers for disease control and prevention light trap and a gravid trap. captured mosquitoes were catalogued by location, species, and date, and selected pools were tested for west nile virus (wnv) by reverse transcription-polymerase chain react ... | 2007 | 17847847 |
| mosquitoes associated with us department of agriculture managed wetlands on maryland's delmarva peninsula. | mosquito faunal studies were carried out 2004-2005 in maryland's eastern shore wetlands managed by the us department of agriculture. the wetlands included flooded fields, inundated woodlands, and tidal salt marshes. sampling methods included larval collections, adult landing counts, and cdc light and oviposition traps. a total of 1,186 larvae and 1,363 adults identified represented 14 species. temporary pools were found to have the highest potential for rapid mosquito colonization with psorophor ... | 2007 | 17939519 |
| experimental infection of aedes sollicitans and aedes taeniorhynchus with two chimeric sindbis/eastern equine encephalitis virus vaccine candidates. | two chimeric vaccine candidates for eastern equine encephalitis virus (eeev) were developed by inserting the structural protein genes of either a north american (na) or south american (sa) eeev into a sindbis virus (sinv) backbone. to assess the effect of chimerization on mosquito infectivity, experimental infections of two potential north american bridge vectors of eeev, aedes sollicitans and ae. taeniorhynchus, were attempted. both species were susceptible to oral infection with all viruses af ... | 2008 | 18187790 |
| ochlerotatus taeniorhynchus: a probable vector of dirofilaria immitis in coastal areas of yucatan, mexico. | mosquito collections were done on microfilaremic dogs, positive for dirofilaria immitis (leidy), for 15 consecutive nights in celestun, yucatan, southeastern mexico, during january 2007. in total, 275 mosquitoes (3 male and 272 female) of five species were collected: ochlerotatus taeniorhynchus (wiedemann), ochlerotatus sollicitans (walker), culex quinquefasciatus say, culex interrogator (dyar & knab), and aedes aegypti (l.). oc. taeniorhynchus was the species most frequently collected, and it h ... | 2008 | 18283960 |
| survey of mosquito fauna in lubbock county, texas. | records of mosquito species occurring in lubbock county, tx, have not been reported since 1970. an updated mosquito survey was conducted as part of the west nile virus surveillance program conducted throughout lubbock county, tx from july 2002 through december 2004. a large number of species not previously recorded occurring in this area were collected, whereas several species historically occurring in the area were not collected during this survey. based upon the data from this study, dominant ... | 2008 | 18939702 |
| a duplex real-time reverse transcriptase polymerase chain reaction assay for the detection of california serogroup and cache valley viruses. | a duplex taqman real-time reverse transcriptase polymerase chain reaction (pcr) assay was developed for the detection of california (cal) serogroup viruses and cache valley virus (cvv), for use in human surveillance. the targets selected for the assay were the sequences encoding the nucleocapsid protein of cal and the g1 glycoprotein of cvv. conserved regions were selected by aligning genetic sequences from various strains available in the genbank database. primers and probes were selected in co ... | 2009 | 19748425 |
| potential vectors of west nile virus in a semiarid environment: doña ana county, new mexico. | the potential vectors of west nile virus (family flaviviridae, genus flavivirus, wnv) in doña ana county, nm, were determined during 2004 and 2005. trapping was conducted using centers for disease control and prevention miniature light-traps baited with dry ice, and gravid traps baited with a hay infusion. in addition, sentinel chickens were housed at four of the trapping locations to monitor wnv epizootic transmission. in total, 5,576 pools consisting of 115,797 female mosquitoes were tested fo ... | 2009 | 19960700 |
| blood feeding patterns of mosquitoes: random or structured? | abstract: | 2010 | 20205866 |
| incrimination of the mosquito, aedes taeniorhynchus, as the primary vector of heartworm, dirofilaria immitis, in coastal yucatan, mexico. | mosquito collections were carried out on microfilaraemic dogs, positive for dirofilaria sp., for 18 consecutive nights in the coastal town of celestún, yucatan, southeast mexico, during the rainy season (august) of 2007. a total of 292 female mosquitoes representing 12 species of dipteran culicidae were collected: anopheles albimanus (wiedemann); anopheles crucians (wiedemann); anopheles pseudopunctipennis (theobald); culex coronator (dyar & knab); culex interrogator (dyar & knab); culex nigripa ... | 2010 | 20572932 |
| detection of west nile virus rna in mosquitoes and identification of mosquito blood meals collected at alligator farms in louisiana. | since 2001, alligator farms in the united states have sustained substantial economic losses because of west nile virus (wnv) outbreaks in american alligators (alligator mississippiensis). once an initial infection is introduced into captive alligators, wnv can spread among animals by contaminative transmission. some outbreaks have been linked to feeding on infected meat or the introduction of infected hatchlings, but the initial source of wnv infection has been uncertain in other outbreaks. we c ... | 2010 | 20695278 |
| temporal analysis of feeding patterns of culex erraticus in central alabama. | host blood meals in seven mosquito species previously shown to be infected with eastern equine encephalitis virus at a site in the tuskegee national forest in southcentral alabama were investigated. of 1374 blood meals derived from 88 different host species collected over 6 years from these seven mosquito species, 1099 were derived from culex erraticus. analysis of the temporal pattern of cx. erraticus meals using a runs test revealed that the patterns of feeding upon avian and mammalian hosts f ... | 2011 | 21395423 |
| endemic venezuelan equine encephalitis in the americas: hidden under the dengue umbrella. | venezuelan equine encephalitis (vee) is an emerging infectious disease in latin america. outbreaks have been recorded for decades in countries with enzootic circulation, and the recent implementation of surveillance systems has allowed the detection of additional human cases in countries and areas with previously unknown vee activity. clinically, vee is indistinguishable from dengue and other arboviral diseases and confirmatory diagnosis requires the use of specialized laboratory tests that are ... | 2011 | 21765860 |
| host associations of mosquitoes at eastern equine encephalitis virus foci in connecticut, usa. | eastern equine encephalitis virus (eeev) is a highly pathogenic mosquito-borne arbovirus, with active transmission foci in freshwater hardwood swamps in eastern north america, where enzootic transmission is maintained between the ornithophilic mosquito, culiseta melanura, and wild passerine birds. the role of other locally abundant mosquito species in virus transmission and their associations with vertebrate hosts as sources of blood meals within these foci are largely unknown but are of importa ... | 2016 | 27577939 |
| wolbachia biocontrol strategies for arboviral diseases and the potential influence of resident wolbachia strains in mosquitoes. | arboviruses transmitted by mosquitoes are a major cause of human disease worldwide. the absence of vaccines and effective vector control strategies has resulted in the need for novel mosquito control strategies. the endosymbiotic bacterium wolbachia has been proposed to form the basis for an effective mosquito biocontrol strategy. resident strains of wolbachia inhibit viral replication in drosophila fruit flies and induce a reproductive phenotype known as cytoplasmic incompatibility that allows ... | 2016 | 26925368 |
| insights into the recent emergence and expansion of eastern equine encephalitis virus in a new focus in the northern new england usa. | eastern equine encephalomyelitis virus (eeev) causes a highly pathogenic zoonosis that circulates in an enzootic cycle involving the ornithophagic mosquito, culiseta melanura, and wild passerine birds in freshwater hardwood swamps in the northeastern u.s. epidemic/epizootic transmission to humans/equines typically occurs towards the end of the transmission season and is generally assumed to be mediated by locally abundant and contiguous mammalophagic "bridge vector" mosquitoes. | 2015 | 26453283 |
| 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 ... | 2015 | 26327226 |
| 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 ... | 2015 | 26336227 |
| field investigations of winter transmission of eastern equine encephalitis virus in florida. | studies investigating winter transmission of eastern equine encephalitis virus (eeev) were conducted in hillsborough county, florida. the virus was detected in culiseta melanura and anopheles quadrimaculatus in february 2012 and 2013, respectively. during the winter months, herons were the most important avian hosts for all mosquito species encountered. in collections carried out in the summer of 2011, blood meals taken from herons were still common, but less frequently encountered than in winte ... | 2014 | 25070997 |
| mosquitoes associated with ditch-plugged and control tidal salt marshes on the delmarva peninsula. | a study was conducted during the summer of 2009 (from july to september) to characterize mosquito communities among different habitats in five historically ditched tidal salt marshes and three adjacent wooded areas in the e.a. vaughn wetland management area on the maryland delmarva peninsula, usa. study marshes are characteristic of atlantic coastal salt marshes that had undergone grid ditching from the 1930s to 1950s. in the autumn of 2008 (october and november) ditches were plugged near their ... | 2011 | 21909293 |
| geostatistical evaluation of integrated marsh management impact on mosquito vectors using before-after-control-impact (baci) design. | in many parts of the world, salt marshes play a key ecological role as the interface between the marine and the terrestrial environments. salt marshes are also exceedingly important for public health as larval habitat for mosquitoes that are vectors of disease and significant biting pests. although grid ditching and pesticides have been effective in salt marsh mosquito control, marsh degradation and other environmental considerations compel a different approach. targeted habitat modification and ... | 2009 | 19549297 |
| 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 ... | 2014 | 25211133 |
| climate change impacts on west nile virus transmission in a global context. | west nile virus (wnv), the most widely distributed virus of the encephalitic flaviviruses, is a vector-borne pathogen of global importance. the transmission cycle exists in rural and urban areas where the virus infects birds, humans, horses and other mammals. multiple factors impact the transmission and distribution of wnv, related to the dynamics and interactions between pathogen, vector, vertebrate hosts and environment. hence, among other drivers, weather conditions have direct and indirect i ... | 0 | 25688020 |
| insect-specific viruses detected in laboratory mosquito colonies and their potential implications for experiments evaluating arbovirus vector competence. | recently, there has been a dramatic increase in the detection and characterization of insect-specific viruses in field-collected mosquitoes. evidence suggests that these viruses are ubiquitous in nature and that many are maintained by vertical transmission in mosquito populations. some studies suggest that the presence of insect-specific viruses may inhibit replication of a super-infecting arbovirus, thus altering vector competence of the mosquito host. accordingly, we screened our laboratory mo ... | 2014 | 25510714 |
| emerging viral diseases. | | 0 | 18491811 |
| research contributing to improvements in controlling florida's mosquitoes and mosquito-borne diseases. | research on mosquitoes and mosquito-borne diseases has contributed to improvements in providing effective, efficient, and environmentally proper mosquito control. florida has benefitted from several research accomplishments that have increased the state's mosquito control capabilities. research with florida's mosquitoes has resulted in the development of ecologically sound management of mosquito impoundments on florida's east coast. this strategy, called rotational impoundment management (rim), ... | 2016 | 27690112 |
| 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 ... | 2012 | 23222252 |
| a tale of two city blocks: differences in immature and adult mosquito abundances between socioeconomically different urban blocks in baltimore (maryland, usa). | infrastructure degradation in many post-industrial cities has increased the availability of potential mosquito habitats, including container habitats that support infestations of invasive disease-vectors. this study is unique in examining both immature and adult mosquito abundance across the fine-scale variability in socio-economic condition that occurs block-to-block in many cities. we hypothesized that abundant garbage associated with infrastructure degradation would support greater mosquito p ... | 2014 | 24651396 |
| selective factors associated with the evolution of codon usage in natural populations of arboviruses. | arboviruses (arthropod borne viruses) have life cycles that include both vertebrate and invertebrate hosts with substantial differences in vector and host specificity between different viruses. most arboviruses utilize rna for their genetic material and are completely dependent on host trnas for their translation, suggesting that virus codon usage could be a target for selection. in the current study we analyzed the relative synonymous codon usage (rscu) patterns of 26 arboviruses together with ... | 2016 | 27455096 |
| bluetongue disease risk assessment based on observed and projected culicoides obsoletus spp. vector densities. | bluetongue is an arboviral disease of ruminants causing significant economic losses. our risk assessment is based on the epidemiological key parameter, the basic reproduction number. it is defined as the number of secondary cases caused by one primary case in a fully susceptible host population, in which values greater than one indicate the possibility, i.e., the risk, for a major disease outbreak. in the course of the bluetongue virus serotype 8 (btv-8) outbreak in europe in 2006 we developed s ... | 2013 | 23560090 |
| temperature effects on the dynamics of aedes albopictus (diptera: culicidae) populations in the laboratory. | we investigated how constant temperatures of 22, 24, and 26 degrees c experienced across the full life cycle affected the dynamics of caged populations of aedes albopictus (skuse). all cages were equipped with plastic beakers that served as sites for oviposition and larval development. we measured the per capita daily mortality and emergence rates of the adults and size of adult females, and estimated the intrinsic rate of increase (r) and asymptotic density (k) for each caged population. popula ... | 0 | 11476335 |
| mapping eastern equine encephalitis virus risk for white-tailed deer in michigan. | eastern equine encephalitis (eee) is a mosquito-borne viral disease that is often fatal to humans and horses. some species including white-tailed deer and passerine birds can survive infection with the eee virus (eeev) and develop antibodies that can be detected using laboratory techniques. in this way, collected serum samples from free ranging white-tailed deer can be used to monitor the presence of the virus in ecosystems. this study developed and tested a risk index model designed to predict ... | 0 | 26494931 |
| comparison of metabolic capacities and inference of gene content evolution in mosquito-associated spiroplasma diminutum and s. taiwanense. | mosquitoes are hosts of several spiroplasma species that belong to different serogroups. to investigate the genetic mechanisms that may be involved in the utilization of similar hosts in these phylogenetically distinct bacteria, we determined the complete genome sequences of spiroplasma diminutum and s. taiwanense for comparative analysis. the genome alignment indicates that their chromosomal organization is highly conserved, which is in sharp contrast to the elevated genome instabilities observ ... | 0 | 23873917 |
| functional characterization of nadph-cytochrome p450 reductase from bactrocera dorsalis: possible involvement in susceptibility to malathion. | nadph cytochrome p450 reductase (cpr) is essential for cytochrome p450 catalysis, which is important in the detoxification and activation of xenobiotics. in this study, two transcripts of bactrocera dorsalis cpr (bdcpr) were cloned, and the deduced amino-acid sequence had an n-terminus membrane anchor for bdcpr-x1 and three conserved binding domains (fmn, fad, and nadp), as well as an fad binding motif and catalytic residues for both bdcpr-x1 and bdcpr-x2. bdcpr-x1 was detected to have the high ... | 2015 | 26681597 |
| the effects of oviposition-site deprivation on longevity and bloodfeeding rate in anopheles gambiae. | the african malaria mosquito, anopheles gambiae, needs surface water in order to lay their eggs. in many parts of africa, there are dry periods varying from days to months in length when suitable larval sites are not available and female mosquitoes experience oviposition-site deprivation (osd). previous studies have shown that egg-laying and egg-hatching rates were reduced due to osd. here, we assessed its effect on longevity and bloodfeeding rate of anopheles gambiae. we predicted that osd will ... | 2014 | 24708656 |
| identification of a novel subtype of south river virus (family bunyaviridae). | we previously reported the isolation of south river virus (sorv) from a pool of mosquitoes collected in the yucatan peninsula of mexico (farfan-ale et al. in vector borne zoonotic dis 10:777-783, 5). the isolate (designated sorv-252) was identified as sorv after a 197-nucleotide region of its small rna genome segment was sequenced. in the present study, the complete small and medium rna genome segments and part of the large rna genome segment of sorv-252 were sequenced and shown to have 92%, 85% ... | 2012 | 22411100 |
| aquatic insects of new york salt marsh associated with mosquito larval habitat and their potential utility as bioindicators. | the aquatic insect fauna of salt marshes is poorly characterized, with the possible exception of biting diptera. aquatic insects play a vital role in salt marsh ecology, and have great potential importance as biological indicators for assessing marsh health. in addition, they may be impacted by measures to control mosquitoes such as changes to the marsh habitat, altered hydrology, or the application of pesticides. given these concerns, the goals of this study were to conduct the first taxonomic ... | 0 | 22957707 |
| neuropeptidomics of the mosquito aedes aegypti. | neuropeptidomic data were collected on the mosquito ae. aegypti, which is considered the most tractable mosquito species for physiological and endocrine studies. the data were solely obtained by direct mass spectrometric profiling, including tandem fragmentation, of selected tissues from single specimens, which yielded a largely complete accounting of the putative bioactive neuropeptides; truncated neuropeptides with low abundance were not counted as mature peptides. differential processing with ... | 0 | 20163154 |
| malaria control: current concepts. | | 2011 | 27407446 |
| a contribution to our knowledge of the mermithidae (nematoda). | the genera of the insect parasitic nematode family mermithidae axe reviewed, and 16 of them axe redescribed and illustrated. information is given on methods of rearing adult mermithid specimens and on host specificity. the four types of merrnithid life cycles axe described in detail. one figure shows the variety of insects parasitized by merrnithids and the location and size of the nematode within the insect. several mermithid eggs are illustrated, and their usefulness in identification is discu ... | 0 | 19319257 |
| identification and analysis of nadph-cytochrome p450 reductase in aedes sollicitans (diptera: culicidae). | an nadph-cytochrome p450 reductase (cpr) gene was identified in aedes sollicitans walker (diptera: culicidae). the open reading frame is 2,040 bp long, encoding a 679-residue polypeptide. amino acid sequence analysis indicates that the ae. sollicitans cpr carries conserved ligand-binding domains and belongs to the same phylogenetic group as cprs in other mosquitoes. the cdna of the cpr gene was cloned, and the recombinant protein was expressed in escherichia coli. cytochrome c reductase activity ... | 2014 | 25276923 |
| effect of a lunar eclipse on the flight activity of mosquitoes in the upper gulf coast of texas. | adult mosquito flight activity was monitored at a coastal marshland site in chambers county, tx, before, during, and after a total eclipse of the moon on august 16, 1989. a vehicle-mounted mobile interceptor trap and a stationary, dry ice-baited cdc miniature light trap were used in this monitoring effort. aedes sollicitans, anopheles crucians, culex salinarius, and psorophora columbiae were mosquito species most abundantly represented in collections made by both traps during the 12-h study peri ... | 1994 | 8965069 |
| cache valley virus in the del mar va peninsula. iv. biological transmission of the virus by aedes sollicitans and aedes taeniorhynchus. | | 1970 | 4392809 |
| organophosphorous insecticide susceptibility of mosquitoes in maryland, 1985-89. | from 1985 to 1989, the susceptibility of the 9 major culicine mosquito species in maryland to the larvicide temephos or the adulticide malathion was studied. the susceptibility of culex spp. to temephos has declined in most areas of maryland since 1967; however, only one strain of culex pipiens was found to be temephos resistant in this study. aedes sollicitans, ae. albopictus and ae. taeniorhynchus were temephos susceptible. all mosquitoes tested in the adult stage were susceptible to malathion ... | 1993 | 7682258 |
| variation of mosquito (diptera: culicidae) relative abundance and dirofilaria immitis (nematoda: filarioidea) vector potential in coastal north carolina. | at an enzootic focus of dirofilaria immitis in coastal north carolina, mosquito populations were sampled june-september 1985 and on several occasions during august-october 1986 and june-august 1987, to identify local vectors and to determine relative abundance and d. immitis infection rates. predominant species collected were anopheles bradleyi king (66.6%), culex salinarius coquillett (15.9%), aedes taeniorhynchus (wiedemann) (8.2%), and aedes sollicitans (walker) (4.9%). population abundance v ... | 1993 | 8096249 |
| effect of salt concentration in larval rearing water on susceptibility of aedes mosquitoes (diptera: culicidae) to eastern equine and venezuelan equine encephalitis viruses. | the effect of salt concentration in larval rearing water on the susceptibility of adult aedes taeniorhynchus (wiedemann) and aedes sollicitans (skuse) to infection with eastern equine encephalomyelitis (eee) virus was tested in the laboratory. ae. sollicitans was more susceptible to infection (79%, n = 82) and viral dissemination (16%) with eee virus than was ae. taeniorhynchus (42%, n = 184) and (5%), respectively, when fed on a chick with a viremia of 10(7) +/- 0.1 plaque-forming units/ml; how ... | 1998 | 9775590 |
| earth observation, geographic information systems and plasmodium falciparum malaria in sub-saharan africa. | this review highlights the progress and current status of remote sensing (rs) and geographical information systems (gis) as currently applied to the problem of plasmodium falciparum malaria in sub-saharan africa (ssa). the burden of p. falciparum malaria in ssa is first summarized and then contrasted with the paucity of accurate and recent information on the nature and extent of the disease. this provides perspective on both the global importance of the pathogen and the potential for contributio ... | 2000 | 10997207 |
| composition and adult activity of salt-marsh mosquitoes attracted to 1-octen-3-ol, carbon dioxide, and light in topsail island, north carolina. | by monitoring weekly for 3 months with centers for disease control (cdc) light traps baited with carbon dioxide (co2) and light, 12 species of mosquitoes were collected from salt-marsh areas in topsail island, north carolina: aedes vexans, anopheles atropos, an. bradleyi, an. crucians, an. punctipennis, culex pipiens, cx. restrans, cx. salinarius, ochlerotatus sollicitans, oc. taeniorhynchus, oc. infirmatus, and uranotaenia sapphirina. the hourly activities of common salt-marsh mosquitoes, namel ... | 2003 | 12825671 |
| effect of salinity on temephos toxicity to larvae of aedes sollicitans (diptera: culicidae). | aedes sollicitans (walker) (diptera: culicidae) is an important vector of eastern equine encephalitis as well as several other mosquito-borne brain fevers. the larvae are salt-tolerant and develop in salt marshes with highly varying salinity. the effect of salinity on the toxicity of one of the major larvicidal organophosphates, temephos, was evaluated in two groups of larvae raised either in freshwater or water with salinity ranging from 1 to 3.5%. when larvae were raised in freshwater, low sal ... | 2007 | 17695028 |
| seasonal and diel patterns of biting midges (ceratopogonidae) and mosquitoes (culicidae) on the parris island marine corps recruit depot. | the marine corps recruit depot on parris island, sc, is surrounded by tidal salt marshes, which are breeding habitats for many pestiferous biting flies. knowledge of biting fly behavior patterns is needed to develop effective pest management strategies in urban areas adjacent to salt marshes. we measured biting midge (ceratopogonidae) and mosquito (culicidae) seasonal abundance and diel activity patterns on parris island using co(2)-baited suction traps from november 2001 - november 2004. of the ... | 2009 | 20836813 |
| predicting culex pipiens/restuans population dynamics by interval lagged weather data. | culex pipiens/restuans mosquitoes are important vectors for a variety of arthropod borne viral infections. in this study, the associations between 20 years of mosquito capture data and the time lagged environmental quantities daytime length, temperature, precipitation, relative humidity and wind speed were used to generate a predictive model for the population dynamics of this vector species. | 2013 | 23634763 |
| genome sequence of a baculovirus pathogenic for culex nigripalpus. | in this report we describe the complete genome sequence of a nucleopolyhedrovirus that infects larval stages of the mosquito culex nigripalpus (cuninpv). the cuninpv genome is a circular double-stranded dna molecule of 108,252 bp and is predicted to contain 109 genes. although 36 of these genes show homology to genes from other baculoviruses, their orientation and order exhibit little conservation relative to the genomes of lepidopteran baculoviruses. cuninpv genes homologous to those from other ... | 0 | 11602755 |
| adult body size and parity in field populations of the mosquitoes anopheles crucians, aedes taeniorhynchus and aedes sollicitans. | | 1987 | 3504950 |
| efficacy of dibrom, trumpet, and scourge against four mosquito species in louisiana. | adult mortality of anopheles quadrimaculatus, culex quinquefasciatus, and the aedes spp. complex (aedes sollicitans and aedes taeniorhynchus) was observed after aerial ultra-low volume (ulv) exposure to dibrom, trumpet, and scourge. dibrom was applied at 112 g active ingredient (ai)/ha, trumpet at 112 g ai/ha, and scourge at 1.96 g ai/ha. at all time intervals, dibrom and trumpet were significantly more effective against the aedes spp. complex than against an. quadrimaculatus and cx. quinquefasc ... | 1999 | 10612604 |
| efficacy of three synthetic pyrethroids against three mosquito species in arkansas and louisiana. | adult mortality of anopheles quadrimaculatus, culex quinquefasciatus, and aedes sollicitans was observed following ultra-low-volume (ulv) exposure to responde, permanone 31-66 rtu, and scourge. permanone 31-66 rtu (1:2.13, permethrin:pbo) and scourge (1:3, resmethrin:pbo) were applied at 0.00175 lb ai/acre, while responde (1:3, prallethrin:pbo) was applied at 0.001 lb ai/acre, and all were evaluated at 100, 200, and 300 ft. downwind of application. significant mortality differences (p < or = 0.0 ... | 1997 | 9249658 |
| evaluation of the cotton fabric model for screening topical mosquito repellents. | the data of king (1954) were analyzed by rank correlation methods to determine if the results of tests of candidate mosquito repellents on cotton fabric were correlated with the results of tests of the same compounds on the skin. the coefficient of rank correlation was statistically significant (p less than 0.01) for tests against salt marsh mosquitoes, aedes sollicitans and ae. taeniorhynchus, and yellow fever mosquitoes, ae. aegypti, but not for tests against malaria mosquitoes, anopheles quad ... | 1989 | 2708992 |
| marking adult mosquitoes using an aerially applied fluorescent pigment. | a water soluble, fluorescent pigment was aerially applied to caged culex quinquefasciatus adults in a south louisiana marshland pasture. mosquitoes held in cages on 1 m stakes were greater than 90% marked. this number was significantly greater (p less than 0.01) than the number of marked mosquitoes held in cages that were placed in dense vegetation (greater than or equal to 0.5 m high) near the ground surface (70% marked). in a second aerial test with caged aedes sollicitans in an open, grassy a ... | 1987 | 2904958 |
| first record of culiseta melanura in mexico, with additional mexican records for aedes sollicitans. | larvae of culiseta melanura were collected during june 2001 and january 2002 in nuevo leon state, mexico. this is the first record of this species in mexico. female and male adults of aedes sollicitans were collected during may 1992 and june 1994 in tamaulipas state and nuevo leon state, respectively; adult females of ae. sollicitans were collected also during 1996 from a resting place in oaxaca state. these records for ae. sollicitans supplement previous mexican records of the species. all spec ... | 2009 | 19432074 |
| sewage-associated breeding of aedes sollicitans and aedes dorsalis in southwestern michigan. | | 1986 | 3507477 |
| regulation of salt marsh mosquito populations by the 18.6-yr lunar-nodal cycle. | the 18.6-yr lunar-nodal cycle drives changes in tidal amplitude globally, affecting coastal habitat formation, species and communities inhabiting rocky shores, and salt marsh vegetation. however, the cycle's influence on salt marsh fauna lacked sufficient long-term data for testing its effect. we circumvented this problem by using salt marsh mosquito records obtained over a period of over four decades in two estuaries in the northeastern usa. salt marsh mosquito habitat is near the highest tide ... | 2017 | 28418218 |
| morphological variants of aedes sollicitans from new jersey. | morphological variants showing differences in length of median white scaled bands on the proboscises of female aedes sollicitans (cape may county, nj) are described from f1 progeny of wild-caught mosquitoes. the length of the white-scaled band was classified into 5 categories: 1) large (0.53-0.60 mm), 2) medium (0.40-.47 mm), 3) small (0.27-0.33 mm), 4) very small (0.13-0.20 mm) band to a patch of scales on the lateral aspect, and 5) a black proboscis misidentification of adults during surveilla ... | 2008 | 18666527 |
| novel cytochrome p450s, cyp6bb1 and cyp6p10, from the salt marsh mosquito aedes sollicitans (walker) (diptera: culicidae). | based on the conserved heme-binding region and the charge pair consensus of insect cytochrome p450s, two novel full-length p450 cdnas, cyp6bb1 and cyp6p10, were cloned from the salt marsh mosquito aedes sollicitans (walker). cyp6bb1 and cyp6p10 had open reading frames of 1,518 and 1,521 nucleotides encoding 506 and 507 amino acid residue proteins, respectively. several alleles with amino acid substitutions were found both in cyp6bb1 and cyp6p10. the deduced proteins are typical microsomal p450s ... | 2008 | 18163526 |
| efficacy of a granule formulation of the insect growth regulator, s-methoprene, against salt-marsh mosquitoes in florida. | three field trials were conducted at guana river state park, florida to evaluate the effectiveness of the granule formulation of methoprene, altosid xr-g, against salt-marsh mosquitoes. three applications of altosid xr-g (1.5% s-methoprene) were made at application rates of 9.0, 4.5, and 2.3 kg/ha. pupae were collected from control and treated sites after inundation. under field conditions, altosid xr-g gave 44.6% control at 67 days posttreatment at site 1 (9.0 kg/ha), 43.7% control at 67 days p ... | 2007 | 17939523 |
| characterizing population dynamics of aedes sollicitans (diptera: culicidae) using meteorological data. | numerous studies have investigated the role of weather on insect species. for mosquitoes, these studies have yielded mixed results. although it is clear that weather impacts mosquito population dynamics, these investigations have failed to accurately characterize their fluctuations. we use a novel graphical method to examine large numbers of meteorological aggregations of varying lengths and lags simultaneously to establish relationships between these summary variables and mosquito counts, to ga ... | 2006 | 16619626 |
| cross correlation maps: a tool for visualizing and modeling time lagged associations. | it has long been recognized that arthropod populations fluctuate with changes in environmental conditions and these changes occur at various spatial and temporal scales. empirical studies that have explored associations between vector abundance and the environment often considered meterological events as leading indicators with their effects traditionally restricted to single points in time, such as precipitation 12 days prior to trapping. field experience, however, suggests that the duration of ... | 2005 | 16187896 |
| field trial efficacy of anvil 10+10 and biomist 31:66 against ochlerotatus sollicitans in delaware. | anvil 10+10 (hereafter anvil) and biomist 31:66 (hereafter biomist) were applied by ground ultra-low volume (ulv) methods to determine the effectiveness of each formulation against ochlerotatus sollicitans. each formulation was tested at 50, 67, and 100% of respective maximum label dosage rates. mosquitoes were exposed in cages on a 3 x 3 grid at distances of 30.5, 60.9, and 91.4 m. mortality data were collected at intervals of 1, 4, and 12 h after treatment. no significant differences (p > or = ... | 2002 | 11998928 |
| failure to predict abundance of saltmarsh mosquitoes aedes sollicitans and a. taeniorhynchus (diptera: culicidae) by using variables of tide and weather. | weather and tide variables were used to develop regression models with light trap counts of aedes sollicitans (walker) and aedes taeniorhynchus (wiedemann) from 1984 to 1995. rains, tides, and temperatures, both during and preceding the sample period, all showed significant correlations with trap counts. these multiple regression models forecasted general population levels during 1996 and 1997, but not the size of the peaks. therefore, weather alone can predict general trends but cannot be used ... | 1998 | 9615534 |
| natural occurrence of a mosquito iridescent virus in aedes sollicitans. | | 1989 | 2614415 |
| photoperiod-induced diapause in a north carolina strain of aedes sollicitans: photosensitivity of fully formed and developing embryos. | the role of photoperiod in the induction of diapause in eggs laid by field-collected adult aedes sollicitans mosquitoes was examined at different temperatures. short-day photoperiods induced a much higher incidence of diapause at 15 degrees than at 22 degrees c, whether eggs were 0, 1, 2, 3, 4 or 5 days old postoviposition on exposure. a 6-week exposure to a 6:18 to 10:14 (l:d) photoperiod at 15 degrees caused 87-100% of the eggs tested to enter diapause. the diapause incidence was significantly ... | 1988 | 3193099 |
| dispersal patterns of aedes sollicitans (diptera: culicidae) at the east end of fire island national seashore, new york, usa. | | 1986 | 3701800 |
| the ultrastructure of the corpus cardiacum of aedes sollicitans and the histology of the cerebral neurosecretory system of mosquitoes. | | 1972 | 5016205 |
| corpus cardiacum: induced fluctuation in paraldehyde-fuchsin material in aedes sollicitans. | | 1970 | 5483254 |
| temperature independence of the composition of triglyceride fatty acids synthesized de novo by the mosquito. | the hypothesis that depot fat is more unsaturated when it is synthesized at lower temperatures was tested in the mosquito. female mosquitoes (aedes sollicitans) were starved until no triglycerides remained. a single dose of sugar was fed and the mosquitoes were maintained at different temperatures. approximately the same amount of triglyceride was synthesized per mosquito at each temperature, although at different rates. mosquitoes maintained at low temperatures did not synthesize more unsaturat ... | 1966 | 4378885 |