Publications

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comparison of dry ice baited light traps with human bait collections for surveillance of mosquitoes in northern queensland, australia.adult mosquitoes were collected from april 1984 to september 1985, at 3 sites at or adjacent to the ross river dam, north queensland. the numbers attracted to dry ice baited encephalitis virus surveillance (evs) light traps and to human bait were similar. both methods sampled 18 taxa and ranked the abundances of culex annulirostris, anopheles annulipes s.l., aedes vigilax, mansonia uniformis and ma. septempunctata similarly at each locality. significant correlations between the 2 methods were fo ...19911686444
the reaction of anopheles annulipes larvae to infection by aeromonas punctata. 19725014911
distribution of anopheline mosquitoes in northern australia.using carbon-dioxide-baited light traps and larval sampling, anopheline mosquitoes were collected from 620 sites in northern australia. twelve species were recorded. anopheles annulipes s. l. (335 sites). an. bancroftii (181 sites), an. meraukensis (162 sites), an. farauti s. s. (133 sites), an. farauti 3 (93 sites), an. amictus (93 sites), an. hilli (88 sites), an. novaguinensis (70 sites), and an. farauti 2 (67 sites) were common and widespread throughout the region, while an. powelli (5 sites ...19969046472
isolation of ross river virus from mosquitoes and from horses with signs of musculo-skeletal disease.to report clinical and clinicopathological findings in horses naturally infected with ross river virus (rrv) and identify likely mosquito arbovirus vector species.200315080456
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 ...200415861235
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 ...200718217547
complete mtdna genomes of anopheles darlingi and an approach to anopheline divergence time.the complete sequences of the mitochondrial genomes (mtdna) of members of the northern and southern genotypes of anopheles (nyssorhynchus) darlingi were used for comparative studies to estimate the time to the most recent common ancestor for modern anophelines, to evaluate differentiation within this taxon, and to seek evidence of incipient speciation.201020470395
genetic characterization of k13965, a strain of oak vale virus from western australia.k13965, an uncharacterized virus, was isolated in 1993 from anopheles annulipes mosquitoes collected in the kimberley region of northern western australia. here, we report its genomic sequence, identify it as a rhabdovirus, and characterize its phylogenetic relationships. the genome comprises a p' (c) and sh protein similar to the recently characterized tupaia and durham viruses, and shows overlap between g and l genes. comparison of k13965 genome sequence to other rhabdoviruses identified k1396 ...201121740935
household survey of container-breeding mosquitoes and climatic factors influencing the prevalence of aedes aegypti (diptera: culicidae) in makkah city, saudi arabia.to investigate the prevalence of container breeding mosquitoes with emphasis on the seasonality and larval habitats of aedes aegypti (ae. aegypti) in makkah city, adjoining an environmental monitoring and dengue incidence.201223569860
mosquito communities and disease risk influenced by land use change and seasonality in the australian tropics.anthropogenic land use changes have contributed considerably to the rise of emerging and re-emerging mosquito-borne diseases. these diseases appear to be increasing as a result of the novel juxtapositions of habitats and species that can result in new interchanges of vectors, diseases and hosts. we studied whether the mosquito community structure varied between habitats and seasons and whether known disease vectors displayed habitat preferences in tropical australia.201627388293
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 ...201324314645
mosquito consumption by insectivorous bats: does size matter?insectivorous bats have often been touted as biological control for mosquito populations. however, mosquitoes generally represent only a small proportion of bat diet. given the small size of mosquitoes, restrictions imposed on prey detectability by low frequency echolocation, and variable field metabolic rates (fmr), mosquitoes may not be available to or profitable for all bats. this study investigated whether consumption of mosquitoes was influenced by bat size, which is negatively correlated w ...201324130851
foraging ranges of insectivorous bats shift relative to changes in mosquito abundance.the need to develop effective management strategies for insectivorous bat populations requires an understanding of factors influencing habitat use. availability of pest prey, such as mosquitoes is likely to be one such factor. to assess whether this is the case, we radio-tracked vespadelus vulturnus thomas (little forest bat), a predator of aedes vigilax skuse (saltmarsh mosquito), in saltmarsh and adjacent coastal swamp forest during periods of high and low ae. vigilax abundance. when mosquito ...201323667699
analysis of arbovirus isolates from australia identifies novel bunyaviruses including a mapputta group virus from western australia that links gan gan and maprik viruses.the mapputta group comprises antigenically related viruses indigenous to australia and papua new guinea that are included in the family bunyaviridae but not currently assigned to a specific genus. we determined and analyzed the genome sequences of five australian viruses isolated from mosquitoes collected during routine arbovirus surveillance in western australia (k10441, sw27571, k13190, and k42904) and new south wales (12005). based on matching sequences of all three genome segments to prototy ...201627764175
genetic characterization of archived bunyaviruses and their potential for emergence in australia.to better understand the diversity of bunyaviruses and their circulation in australia, we sequenced 5 viruses (gan gan, trubanaman, kowanyama, yacaaba, and taggert) isolated and serologically identified 4 decades ago as members of the family bunyaviridae. gan gan and trubanaman viruses almost perfectly matched 2 recently isolated, purportedly novel viruses, salt ash and murrumbidgee viruses, respectively. kowanyama and yacaaba viruses were identified as being related to members of a large clade ...027088588
mitochondrial genome sequences reveal deep divergences among anopheles punctulatus sibling species in papua new guinea.members of the anopheles punctulatus group (ap group) are the primary vectors of human malaria in papua new guinea. the ap group includes 13 sibling species, most of them morphologically indistinguishable. understanding why only certain species are able to transmit malaria requires a better comprehension of their evolutionary history. in particular, understanding relationships and divergence times among anopheles species may enable assessing how malaria-related traits (e.g. blood feeding behavio ...201323405960
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 ...201727799340
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 ...201627217948
full genome sequencing and genetic characterization of eubenangee viruses identify pata virus as a distinct species within the genus orbivirus.eubenangee virus has previously been identified as the cause of tammar sudden death syndrome (tsds). eubenangee virus (eubv), tilligery virus (tilv), pata virus (patav) and ngoupe virus (ngov) are currently all classified within the eubenangee virus species of the genus orbivirus, family reoviridae. full genome sequencing confirmed that eubv and tilv (both of which are from australia) show high levels of aa sequence identity (>92%) in the conserved polymerase vp1(pol), sub-core vp3(t2) and outer ...201222438872
the gecko: an environmentally friendly biological agent for mosquito control.laboratory experiments with aedes aegypti mosquitoes investigated the effects of light, mosquito density and physiological state on predation rates by the australian gecko gehydra dubia and the exotic asian house gecko hemidactylus frenatus. for both gecko species a positive correlation was demonstrated between prey density and the predation rate. using ae.aegypti males and unfed females as prey in a terrarium (0.054 m3), consumption rates reached 76-108/day for g.dubia and 63-109/day for h.fren ...19979430109
seasonal activity, vector relationships and genetic analysis of mosquito-borne stratford virus.there are many gaps to be filled in our understanding of mosquito-borne viruses, their relationships with vectors and reservoir hosts, and the environmental drivers of seasonal activity. stratford virus (strv) belongs to the genus flavivirus and has been isolated from mosquitoes and infected humans in australia but little is known of its vector and reservoir host associations. a total of 43 isolates of strv from mosquitoes collected in new south wales between 1995 and 2013 was examined to determ ...201728253306
is there a risk of malaria transmission in nsw?nsw has a putative malaria vector in anopheles annulipes, and increased numbers of immigrants from malaria endemic countries who may be infective to mosquitoes but asymptomatic. we examine the factors known to influence malaria transmission and conclude that local transmission is possible but unlikely. the public health implications are that there should be systematic screening of immigrants from malaria endemic countries on arrival, and that the public health capacity to identify and respond to ...200819007544
mosquito (diptera: culicidae) and arbovirus activity on the south coast of new south wales, australia, in 1985-1988.an investigation of the seasonal activity of adult mosquitoes and arboviruses in two native forests revealed a mosquito fauna comprising 33 species for the mogo state forest-batemans bay locality and 34 species for the termeil state forest. the mosquito aedes vigilax was the most abundant species in salt marshes at mogo state forest-batemans bay, whereas the freshwater species anopheles annulipes s.l. and coquillettidia linealis were most abundant at termeil state forest. major faunal difference ...19911685192
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 ...201424799370
phylogenetics of the phlebotomine sand fly group verrucarum (diptera: psychodidae: lutzomyia).abstract. within the sand fly genus lutzomyia, the verrucarum species group contains several of the principal vectors of american cutaneous leishmaniasis and human bartonellosis in the andean region of south america. the group encompasses 40 species for which the taxonomic status, phylogenetic relationships, and role of each species in disease transmission remain unresolved. mitochondrial cytochrome c oxidase i (coi) phylogenetic analysis of a 667-bp fragment supported the morphological classifi ...201121633028
mosquito (diptera: culicidae) dispersal: implications for the epidemiology of japanese and murray valley encephalitis viruses in australia.one hypothesis to explain the southern extension of japanese encephalitis (je) virus from papua new guinea into the torres strait islands in 1995 and to mainland australia in 1998 is the dispersal of infected mosquitoes, particularly culex annulirostris skuse from which je virus has been isolated repeatedly. to investigate whether this species disperses in this manner, mosquitoes were identified from 368 aerial kite trap collections operated at 50-310 m (altitude) at inland new south wales betwe ...200011126532
transmission of plasmodium beghei (nk 65 strain) by anopheles annulipes walker. 19705410215
a molecular phylogeny of anopheles annulipes (diptera: culicidae) sensu lato: the most species-rich anopheline complex.the australasian annulipes complex is the most species-rich among anopheles mosquitoes, with at least 15 sibling species suspected. members of this complex are the most likely vectors of malaria in the past in southern australia and are involved in the spread of myxomatosis among rabbits. in this, the first comprehensive molecular study of the annulipes complex, 23 its2 rdna variants were detected from collections throughout australia and papua new guinea, including diagnostic variants for the p ...200717126567
importance of hydrilla verticillata (hydrocharitaceae) as habitat for immature mosquitoes at the ross river reservoir, australia.from november 1990 to november 1992, immature mosquitoes were sampled from the shoreline and from emergent beds of the submerged aquatic plant hydrilla verticillata at the ross river reservoir, northern australia. aerial mapping of hydrilla beds was done in conjunction with sampling to estimate total immature mosquito numbers. larvae of 7 species were found. culex annulirostris. anopheles annulipes s.l., and anopheles amictus comprised 80.4% of the total. peak larval densities occurred in the la ...19979249656
surveillance of mosquitoes and arbovirus infection at the ross river dam (stage 1), australia.this paper describes the temporal and spatial abundance of the mosquito fauna of the ross river dam (stage 1) in northern queensland, australia. culex annulirostris, anopheles annulipes s.l., mansonia uniformis, mansonia septempunctata, and the nondam breeding aedes vigilax were the major species collected by dry ice-supplemented light traps set at various distances from the edge of the reservoir. to estimate the level of arbovirus activity in these different zones, sentinel chicken flocks were ...19937907358
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