| ross river virus: ecology and distribution. | ross river virus is the most common mosquito-borne pathogen in australia, and approximately 5000 human cases are reported annually. the infection is not fatal, but there is considerable morbidity associated with a debilitating polyarthritis that is the major symptom. the virus is annually active in most regions of australia, but exists as strains that vary in virulence. native macropods are thought to be the natural vertebrate hosts, although horses and humans may be involved during epidemic act ... | 2002 | 11729067 |
| global change and human vulnerability to vector-borne diseases. | global change includes climate change and climate variability, land use, water storage and irrigation, human population growth and urbanization, trade and travel, and chemical pollution. impacts on vector-borne diseases, including malaria, dengue fever, infections by other arboviruses, schistosomiasis, trypanosomiasis, onchocerciasis, and leishmaniasis are reviewed. while climate change is global in nature and poses unknown future risks to humans and natural ecosystems, other local changes are o ... | 2004 | 14726459 |
| ecology of invasive mosquitoes: effects on resident species and on human health. | investigations of biological invasions focus on patterns and processes that are related to introduction, establishment, spread and impacts of introduced species. this review focuses on the ecological interactions operating during invasions by the most prominent group of insect vectors of disease, mosquitoes. first, we review characteristics of non-native mosquito species that have established viable populations, and those invasive species that have spread widely and had major impacts, testing wh ... | 2005 | 17637849 |
| determination of mosquito (diptera: culicidae) bloodmeal sources in western australia: implications for arbovirus transmission. | a double-antibody enzyme-linked immunosorbent assay was used to determine the bloodmeal sources of adult mosquitoes (diptera: culicidae) collected in encephalitis vector surveillance mosquito traps in western australia between may 1993 and august 2004. in total, 2,606 blood-fed mosquitoes, representing 29 mosquito species, were tested, and 81.7% reacted with one or more of the primary antibodies. aedes camptorhynchus (thomson) and culex annulirostris skuse were the most common species tested, ma ... | 2009 | 19769051 |
| ross river virus transmission, infection, and disease: a cross-disciplinary review. | ross river virus (rrv) is a fascinating, important arbovirus that is endemic and enzootic in australia and papua new guinea and was epidemic in the south pacific in 1979 and 1980. infection with rrv may cause disease in humans, typically presenting as peripheral polyarthralgia or arthritis, sometimes with fever and rash. rrv disease notifications in australia average 5,000 per year. the first well-described outbreak occurred in 1928. during world war ii there were more outbreaks, and the name ep ... | 2001 | 11585790 |
| possible impact of rising sea levels on vector-borne infectious diseases. | vector-borne infectious diseases are a significant cause of human and animal mortality and morbidity. modeling studies predict that changes in climate that accompany global warming will alter the transmission risk of many vector-borne infectious diseases in different parts of the world. global warming will also raise sea levels, which will lead to an increase in saline and brackish water bodies in coastal areas. the potential impact of rising sea levels, as opposed to climate change, on the prev ... | 2011 | 21241521 |
| Risk of Buruli ulcer and detection of Mycobacterium ulcerans in mosquitoes in southeastern Australia. | Buruli ulcer (BU) is a destructive skin condition caused by infection with the environmental bacterium, Mycobacterium ulcerans. The mode of transmission of M. ulcerans is not completely understood, but several studies have explored the role of biting insects. In this study, we tested for an association between the detection of M. ulcerans in mosquitoes and the risk of BU disease in humans in an endemic area of southeastern Australia. | 2011 | 21949891 |
| larval development of aedes aegypti and aedes albopictus in peri-urban brackish water and its implications for transmission of arboviral diseases. | aedes aegypti (linnaeus) and aedes albopictus skuse mosquitoes transmit serious human arboviral diseases including yellow fever, dengue and chikungunya in many tropical and sub-tropical countries. females of the two species have adapted to undergo preimaginal development in natural or artificial collections of freshwater near human habitations and feed on human blood. while there is an effective vaccine against yellow fever, the control of dengue and chikungunya is mainly dependent on reducing f ... | 2011 | 22132243 |
| a tyrosine-to-histidine switch at position 18 of the ross river virus e2 glycoprotein is a determinant of virus fitness in disparate hosts. | arthritogenic alphaviruses are human pathogens maintained in nature through alternating replication in vertebrates and mosquitoes. using chimeric viruses, we previously reported that replacement of the pe2 coding region of the t48 strain of ross river virus (rrv-t48) with that from the attenuated dc5692 strain, which differ by 7 amino acids, resulted in an attenuated disease phenotype in a mouse model of rrv-induced rheumatic disease. here, we demonstrate that introduction of one of these amino ... | 2013 | 23514884 |
| chikungunya virus: a novel and potentially serious threat to new zealand and the south pacific islands. | there has never been a locally transmitted outbreak of mosquito-borne disease in new zealand, but the risk of an outbreak occurring is increasing with on-going interceptions of exotic mosquito vectors across its border, increasing traffic of goods and passengers, higher numbers of viremic travelers arriving, and local, regional, and global environmental change. the risk posed to new zealand by chikungunya virus is potentially high because of the transmissibility of this virus in subtropical clim ... | 2010 | 20889861 |
| resource limitation, controphic ostracod density and larval mosquito development. | aquatic environments can be restricted with the amount of available food resources especially with changes to both abiotic and biotic conditions. mosquito larvae, in particular, are sensitive to changes in food resources. resource limitation through inter-, and intra-specific competition among mosquitoes are known to affect both their development and survival. however, much less is understood about the effects of non-culicid controphic competitors (species that share the same trophic level). to ... | 2015 | 26558896 |
| ross river virus: many vectors and unusual hosts make for an unpredictable pathogen. | | 2015 | 26335937 |
| biological differences between brackish and fresh water-derived aedes aegypti from two locations in the jaffna peninsula of sri lanka and the implications for arboviral disease transmission. | the mainly fresh water arboviral vector aedes aegypti l. (diptera: culicidae) can also undergo pre-imaginal development in brackish water of up to 15 ppt (parts per thousand) salt in coastal areas. we investigated differences in salinity tolerance, egg laying preference, egg hatching and larval development times and resistance to common insecticides in ae. aegypti collected from brackish and fresh water habitats in jaffna, sri lanka. brackish water-derived ae. aegypti were more tolerant of salin ... | 2014 | 25170879 |
| is new zealand prepared to deal with arboviral diseases? | to now, new zealand has been spared arboviral diseases, except for the odd imported infection. however, two exotic vector mosquitoes (ochlerotatus camptorhynchus and ochlerotatus notoscriptus) have become established in new zealand and the routine arrival of infected people from overseas may soon lead to local arboviral transmission. large populations of wild wallabies and brushtail possums could serve as reservoirs of ross river virus and other arboviruses. several other exotic mosquito species ... | 2004 | 15108743 |
| an outbreak of barmah forest virus disease in the south-west of western australia. | to describe the first reported outbreak of barmah forest (bf) virus disease in the south-west of western australia. | 1995 | 7715489 |
| the roles of predators, competitors, and secondary salinization in structuring mosquito (diptera: culicidae) assemblages in ephemeral water bodies of the wheatbelt of western australia. | studies that consider both biotic and abiotic determinants of organisms are rare, but critical to delineate underlying determinants of community richness (number of taxa) and abundance (number of larvae per water body). in this study, we consider the importance of disturbance (salinity) and predator and competitor variables on mosquitoes (diptera: culicidae) in small ephemeral water bodies across the wheatbelt of western australia. similar to mosquitoes, and contrary to general perceptions, nonc ... | 2010 | 20550792 |
| molecular identification of mosquitoes (diptera: culicidae) in southeastern australia. | dna barcoding is a modern species identification technique that can be used to distinguish morphologically similar species, and is particularly useful when using small amounts of starting material from partial specimens or from immature stages. in order to use dna barcoding in a surveillance program, a database containing mosquito barcode sequences is required. this study obtained cytochrome oxidase i (coi) sequences for 113 morphologically identified specimens, representing 29 species, six trib ... | 2016 | 27217948 |
| mutations in nsp1 and pe2 are critical determinants of ross river virus-induced musculoskeletal inflammatory disease in a mouse model. | the viral determinants of alphavirus-induced rheumatic disease have not been elucidated. we identified an rrv strain (dc5692) which, in contrast to the t48 strain, does not induce musculoskeletal inflammation in a mouse model of rrv disease. substitution of the rrv t48 strain nonstructural protein 1 (nsp1) coding sequence with that from strain dc5692 generated a virus that was attenuated in vivo despite similar viral loads in tissues. in contrast, substitution of the t48 pe2 coding region with t ... | 2010 | 21131014 |
| eliminating malaria vectors. | malaria vectors which predominantly feed indoors upon humans have been locally eliminated from several settings with insecticide treated nets (itns), indoor residual spraying or larval source management. recent dramatic declines of an. gambiae in east africa with imperfect itn coverage suggest mosquito populations can rapidly collapse when forced below realistically achievable, non-zero thresholds of density and supporting resource availability. here we explain why insecticide-based mosquito eli ... | 2013 | 23758937 |
| mycolactone gene expression is controlled by strong siga-like promoters with utility in studies of mycobacterium ulcerans and buruli ulcer. | mycolactone a/b is a lipophilic macrocyclic polyketide that is the primary virulence factor produced by mycobacterium ulcerans, a human pathogen and the causative agent of buruli ulcer. in m. ulcerans strain agy99 the mycolactone polyketide synthase (pks) locus spans a 120 kb region of a 174 kb megaplasmid. here we have identified promoter regions of this pks locus using gfp reporter assays, in silico analysis, primer extension, and site-directed mutagenesis. transcription of the large pks genes ... | 2009 | 19936295 |
| environmental monitoring to enhance comprehension and control of infectious diseases. | in a world of emerging and resurging infectious diseases, dominated by zoonoses, environmental monitoring plays a vital role in our understanding their dynamics and their spillover to humans. here, we critically review the ecology, epidemiology and need for monitoring of a variety of directly transmitted (sin nombre virus, avian influenza) and vector-borne (ross river virus, west nile virus, lyme disease, anaplasmosis and babesiosis) zoonoses. we focus on the valuable role that existing monitori ... | 2010 | 20957286 |
| ecology and transmission of buruli ulcer disease: a systematic review. | buruli ulcer is a neglected emerging disease that has recently been reported in some countries as the second most frequent mycobacterial disease in humans after tuberculosis. cases have been reported from at least 32 countries in africa (mainly west), australia, southeast asia, china, central and south america, and the western pacific. large lesions often result in scarring, contractual deformities, amputations, and disabilities, and in africa, most cases of the disease occur in children between ... | 2010 | 21179505 |
| impact of dryland salinity on population dynamics of vector mosquitoes (diptera: culicidae) of ross river virus in inland areas of southwestern western australia. | clearing of native vegetation for agriculture since european settlement has left 1.047 million ha of southwestern australia affected by a severe form of environmental degradation called dryland salinity, characterized by secondary soil salinization and waterlogging. this area may expand by a further 1.7-3.4 million ha if current trends continue. detailed investigations of seasonal of adult and larval mosquito population dynamics were undertaken in the region to test the hypothesis that the devel ... | 2008 | 19058624 |
| a serological survey of cattle in the thames - coromandel district of new zealand for antibodies to ross river virus. | to determine if cattle exposed to the southern saltmarsh mosquito (ssm), aedes camptorhynchus, in the thames-coromandel district of new zealand had been exposed to ross river virus (rrv). | 2009 | 19471331 |
| mycobacterium ulcerans in mosquitoes captured during outbreak of buruli ulcer, southeastern australia. | buruli ulcer (bu) occurs in >30 countries. the causative organism, mycobacterium ulcerans, is acquired from the environment, but the exact mode of transmission is unknown. we investigated an outbreak of bu in a small coastal town in southeastern australia and screened by pcr mosquitoes caught there. all cases of bu were confirmed by culture or pcr. mosquitoes were trapped in multiple locations during a 26-month period. bu developed in 48 residents of point lonsdale/queenscliff and 31 visitors fr ... | 2007 | 18217547 |
| development and application of two multiplex real-time pcr assays for the detection of mycobacterium ulcerans in clinical and environmental samples. | mycobacterium ulcerans is a slow-growing environmental bacterium that causes a severe skin disease known as buruli ulcer. pcr has become a reliable and rapid method for the diagnosis of m. ulcerans infection in humans and has been used for the detection of m. ulcerans in the environment. this paper describes the development of a taqman assay targeting is2404 multiplexed with an internal positive control to monitor inhibition with a detection limit of less than 1 genome equivalent of dna. the ass ... | 2007 | 17526786 |
| colonization of ephemeral water bodies in the wheatbelt of western australia by assemblages of mosquitoes (diptera: culicidae): role of environmental factors, habitat, and disturbance. | environmental disturbance may have direct and indirect impacts on organisms. we studied the colonization of ephemeral water bodies by mosquitoes (diptera: culicidae) in the wheatbelt region of southwest western australia, an area substantially affected by an expanding anthropogenic salinization. mosquitoes frequently colonized ephemeral water bodies, responded positively to rainfall, and populated smaller water bodies more densely than larger water bodies. we found that the habitat characteristi ... | 2009 | 20021752 |
| an outbreak of barmah forest virus disease in victoria. | this report describes the epidemiological and clinical features of an outbreak of 47 cases of laboratory-confirmed barmah forest virus disease (bf disease) that occurred in victoria between january and may 2002. laboratory-confirmed cases were investigated, and information on travel history and clinical details was collected. surveillance data from adult mosquito trappings and climatic conditions in the wellington shire were also reviewed. the response rate for interviews was 85 per cent (40/47) ... | 2002 | 12549534 |
| towards management of mosquitoes at homebush bay, sydney, australia. i. seasonal activity and relative abundance of adults of aedes vigilax, culex sitiens, and other salt-marsh species, 1993-94 through 1997-98. | the mosquitoes associated with 2 saline wetlands at homebush bay, sydney, australia, were investigated over 5 consecutive seasons. twenty-one species were collected in adult traps at the 2 sites but the saline wetlands supported larvae of only 4 species: aedes alternans, aedes camptorhynchus, aedes vigilax, and culex sitiens. of these, ae. vigilax and cx. sitiens were the most common, and their peak abundances generally occurred during february and april, respectively. both wetlands were influen ... | 1999 | 10412120 |
| evidence of vertical transmission of ross river and sindbis viruses (togaviridae: alphavirus) by mosquitoes (diptera: culicidae) in southeastern australia. | ross river and sindbis viruses were isolated from aedes camptorhynchus adults reared from immatures collected from a salt marsh in coastal victoria, indicating the existence of field vertical transmission. these first isolations of an arbovirus from adult mosquitoes reared from field-collected immatures in australia indicates one mechanism for arbovirus maintenance in temperate regions. | 1996 | 8906927 |
| an investigation of the potential of aedes camptorhynchus (thom.) as a vector of ross river virus. | aedes camptorhynchus (thom.) collected on the mid-south coast of new south wales during the winter of 1982 were highly susceptible to infection (id50 = 10(2.4) vero pfu/mosquito) when fed on rat tail skins containing blood and serial dilutions of the t48 strain of ross river (rr) virus. after 2 d, when no virus was detectable, rapid proliferation allowed transmission from 5 d post ingestion. a maximum transmission rate occurred 9 d post-feeding when 4 of 4 infected mosquitoes transmitted virus. ... | 1986 | 3017279 |
| isolation of ross river virus from aedes camptorhynchus. | | 1989 | 2541321 |
| 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 |
| enhanced arbovirus surveillance with deep sequencing: identification of novel rhabdoviruses and bunyaviruses in australian mosquitoes. | viral metagenomics characterizes known and identifies unknown viruses based on sequence similarities to any previously sequenced viral genomes. a metagenomics approach was used to identify virus sequences in australian mosquitoes causing cytopathic effects in inoculated mammalian cell cultures. sequence comparisons revealed strains of liao ning virus (reovirus, seadornavirus), previously detected only in china, livestock-infecting stretch lagoon virus (reovirus, orbivirus), two novel dimarhabdov ... | 2013 | 24314645 |
| surveillance for arboviral zoonoses in new zealand birds. | given the significant burden that emerging infectious diseases place on global economies and public health, the monitoring and mitigation of, and early response to, potential infectious diseases are of the highest priority. the objective of this study was to survey for known and other potential arboviral zoonoses in multiple bird species at four locations in new zealand. | 2013 | 24478919 |
| global emergence of alphaviruses that cause arthritis in humans. | arthropod-borne viruses (arboviruses) may cause severe emerging and re-emerging infectious diseases, which pose a significant threat to human and animal health in the world today. these infectious diseases range from mild febrile illnesses, arthritis, and encephalitis to haemorrhagic fevers. it is postulated that certain environmental factors, vector competence, and host susceptibility have a major impact on the ecology of arboviral diseases. presently, there is a great interest in the emergence ... | 2015 | 26689654 |
| ross river virus and its vectors in sorell municipal area, south-eastern tasmania, january to march 2002. | in 2002, tasmania reported the largest number of ross river virus (rrv) infections ever recorded for the state. of the 117 cases, 37 lived in, or had visited, the sorell municipal area, east of hobart. in early 2002, a combination of spring tides and high summer rainfall produced extensive salt marsh habitat in the sorell region, resulting in unseasonably high densities of the mosquito ochlerotatus camptorhynchus, recognised vector of rrv. four isolates of rrv were identified from collections of ... | 2004 | 15460967 |
| environmental drivers of ross river virus in southeastern tasmania, australia: towards strengthening public health interventions. | summaryin australia, ross river virus (rrv) is predominantly identified and managed through passive health surveillance. here, the proactive use of environmental datasets to improve community-scale public health interventions in southeastern tasmania is explored. known environmental drivers (temperature, rainfall, tide) of the rrv vector aedes camptorhynchus are analysed against cumulative case records for five adjacent local government areas (lgas) from 1993 to 2009. allowing for a 0- to 3-mont ... | 2011 | 21439102 |
| dryland salinity and the ecology of ross river virus: the ecological underpinnings of the potential for transmission. | alterations in transmission of vector-borne zoonoses are often linked to environmental change. however, ecological processes that determine variability in potential for transmission are generally not well understood. ross river virus (rrv, togoviridae: alphavirus) is a mosquito-borne zoonosis in australia with a significant human disease burden. the inland southwest (wheatbelt) of western australia (wa) is substantially affected by an anthropogenic salinization of agricultural land (dryland sali ... | 2009 | 19326966 |
| ross river virus risk associated with dispersal of aedes (ochlerotatus) camptorhynchus (thomson) from breeding habitat into surrounding residential areas: muddy lakes, western australia. | rapid population growth in western australia has resulted in increased development of land for residential housing, and new developments are often proposed close to water because of intrinsic aesthetic values. however, this placement may place future residents at risk of mosquito-borne disease, of which ross river virus (rrv) disease is the most common in australia. mosquito dispersal data were combined with a spatial analysis of human rrv cases to show that mosquitoes dispersed readily from lar ... | 2014 | 24799370 |
| attenuating mutations in nsp1 reveal tissue-specific mechanisms for control of ross river virus infection. | ross river virus (rrv) is one of a group of mosquito-transmitted alphaviruses that cause debilitating, and often chronic, musculoskeletal disease in humans. previously, we reported that replacement of the nonstructural protein 1 (nsp1) gene of the mouse-virulent rrv strain t48 with that from the mouse-avirulent strain dc5692 generated a virus that was attenuated in a mouse model of disease. here we find that the six nsp1 nonsynonymous nucleotide differences between strains t48 and dc5692 are det ... | 2014 | 24429363 |
| using next-generation sequencing for dna barcoding: capturing allelic variation in its2. | internal transcribed spacer 2 (its2) is a popular dna barcoding marker; however, in some animal species it is hypervariable and therefore difficult to sequence with traditional methods. with next-generation sequencing (ngs) it is possible to sequence all gene variants despite the presence of single nucleotide polymorphisms (snps), insertions/deletions (indels), homopolymeric regions, and microsatellites. our aim was to compare the performance of sanger sequencing and ngs amplicon sequencing in c ... | 2017 | 27799340 |
| detection of theileria orientalis genotypes in haemaphysalis longicornis ticks from southern australia. | theileria are blood-borne intracellular protozoal parasites belonging to the phylum apicomplexa. previously considered a benign parasite in australia, outbreaks of clinical disease resulting from theileria orientalis genotypes have been reported in australia since 2006. since this time, outbreaks have become widespread in south-eastern australia, resulting in significant adverse impacts on local dairy and beef industries. this paper provides the first investigation into the possible biological a ... | 2015 | 25889204 |
| "looking over the backyard fence": householders and mosquito control. | (1) background: vector-borne diseases are a significant public health problem in western australia. mosquitoes are responsible for the transmission of a number of pathogens and may pose a serious nuisance problem. prevention efforts in the state are multi-faceted and include physical, chemical, and cultural control methods for restricting mosquito breeding. this is less complex where breeding areas are located within public open spaces. in australia's developed urban areas, breeding sites are, h ... | 2017 | 28257079 |
| predictive modelling of ross river virus notifications in southeastern australia. | ross river virus (rrv) is a mosquito-borne virus endemic to australia. the disease, marked by arthritis, myalgia and rash, has a complex epidemiology involving several mosquito species and wildlife reservoirs. outbreak years coincide with climatic conditions conducive to mosquito population growth. we developed regression models for human rrv notifications in the mildura local government area, victoria, australia with the objective of increasing understanding of the relationships in this complex ... | 2017 | 27866492 |
| disease suspected to be caused by ross river virus infection of horses. | ross river virus (rrv) was believed to be the cause of acute illness in four horses around the bellarine peninsula in south-west victoria, australia. the horses presented with clinical signs including petechial haemorrhages, lymphadenopathy, distal limb swelling and reluctance to move. fibrinogen was also elevated in three of the four horses. whilst no virus was isolated, serological testing revealed elevated rrv igm titres in all horses indicating acute infection. the outbreak occurred at a tim ... | 2008 | 18782422 |
| dryland salinity and vector-borne disease emergence in southwestern australia. | broad-scale clearing of native vegetation for agriculture in southwestern australia has resulted in severe ecosystem degradation, which has been compounded by the subsequent development of large areas of dryland salinity; decreased transevaporation allows the water table to rise, dissolving ancient aeolian salt deposits and creating saline surface pools. the mosquito-borne disease ross river virus has been noted as a potential adverse human health outcome in salinity-affected regions because the ... | 2011 | 21416220 |
| modelling the ecology of the coastal mosquitoes aedes vigilax and aedes camptorhynchus at port pirie, south australia. | two mosquito species, aedes camptorhynchus (thomson) and aedes vigilax (skuse) (diptera: culicidae) are responsible for significant nuisance biting and disease transmission in southern coastal australia. mosquito abundance, tide height, temperature and rainfall data were collected over three summer seasons (2002, 2003, 2004) at port pirie, south australia and subjected to statistical analysis to develop ecological models for predicting problem mosquito outbreaks. a logistic regression model for ... | 2009 | 19239618 |
| surveillance should be strengthened to improve epidemiological understandings of mosquito-borne barmah forest virus infection. | barmah forest virus (bfv) is a mosquito-borne virus causing epidemic polyarthritis in australia. this study used case follow-up of cases from the surveillance system to demonstrate that routinely collected bfv notification data were an unreliable indicator of the true location of exposure. | 2012 | 23908926 |
| ross river virus (rrv) infection in horses and humans: a review. | a fascinating and important arbovirus is ross river virus (rrv) which is endemic and epizootic in nature in certain parts of the world. rrv is a member of the genus alphavirus within the semliki forest complex of the family togaviridae, which also includes the getah virus. the virus is responsible for causing disease both in humans as well as horses. mosquito species (aedes camptorhynchus and aedes vigilax; culex annulirostris) are the most important vector for this virus. in places of low tempe ... | 2014 | 26035950 |
| adult mosquito trap sensitivity for detecting exotic mosquito incursions and eradication: a study using evs traps and the australian southern saltmarsh mosquito, aedes camptorhynchus. | adult mosquito traps are commonly used in biosecurity surveillance for the detection of exotic mosquito incursions or for the demonstration of elimination. however, traps are typically deployed without knowledge of how many are required for detecting differing numbers of the target species. the aim of this study was to determine the sensitivity (i.e., detection probability) provided by carbon dioxide-baited evs traps for adult female australian southern saltmarsh mosquitoes, aedes camptorhynchus ... | 2012 | 22548544 |
| eggs of the australian saltmarsh mosquito, aedes camptorhynchus, survive for long periods and hatch in instalments: implications for biosecurity in new zealand. | the australian saltmarsh mosquito, aedes camptorhynchus (diptera: culicidae), is a significant biting pest and disease vector and is the subject of an eradication programme in new zealand (nz), where it has been resident for more than 10 years. to better understand the ecology of this common and widespread pest, we studied egg longevity and hatching patterns in the laboratory. by regularly testing for the presence of viable embryos, we found that eggs may last more than 15 months when stored dry ... | 2011 | 20840222 |
| genome-scale phylogeny and evolutionary analysis of ross river virus reveals periodic sweeps of lineage dominance in western australia, 1977-2014. | ross river virus (rrv), an alphavirus of the togaviridae family, is the most medically significant mosquito-borne virus of australia. past rrv phylogenetic and evolutionary analyses have been based on partial genome analyses only. three geographically distinct rrv lineages, the eastern, the western, and the supposedly extinct north-eastern lineage, were classified previously. we sought to expand on past phylogenies through robust genome-scale phylogeny to better understand rrv genetic diversity ... | 2020 | 31666378 |
| mosquito distribution in a saltmarsh: determinants of eggs in a variable environment. | two saltmarsh mosquitoes dominate the transmission of ross river virus (rrv, togoviridae: alphavirus), one of australia's most prominent mosquito-borne diseases. ecologically, saltmarshes vary in their structure, including habitat types, hydrological regimes, and diversity of aquatic fauna, all of which drive mosquito oviposition behavior. understanding the distribution of vector mosquitoes within saltmarshes can inform early warning systems, surveillance, and management of vector populations. t ... | 2017 | 28504426 |
| the highs and lows of making a bucket list-quantifying potential mosquito breeding habitats in metropolitan backyards. | while the development of land for residential housing along the swan and canning rivers in perth, wa, australia has reduced natural mosquito breeding sites, the role of backyard container breeding remains a relatively unknown factor. local governments responsible for these areas focus management and control efforts on low lying, tidally driven mosquito habitats to control aedes vigilax (skuse) and aedes camptorhynchus (thomson) mosquitoes in an effort to reduce both the nuisance and disease risk ... | 2017 | 29164098 |
| laboratory determination of efficacy of a santalum spicatum extract for mosquito control. | the activity of qn50, a sequiterpene alcohol derived from australian sandalwood (santalum spicatum), was tested for its effectiveness against larvae of 2 mosquito species (culex molestus and aedes camptorhynchus [diptera: culicidael), nymphs of 2 species of water boatmen (micronecta robusta and agraptocorixa [hemiptera: corixidae]), immature daphnia sp. (crustacea), and mosquito eggs (cx. molestus). in a series of laboratory bioassays, field-collected mosquito larvae, eggs, and immature corixids ... | 2007 | 17939511 |