Publications

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the efficiency of various collection techniques for sampling culex annulirostris in southeastern australia.dry-ice (co2) baited evs (encephalitis virus surveillance) light traps collected significantly more culex annulirostris than unbaited evs or cdc light traps, chicken-, guinea pig- and rabbit-baited evs traps, or cubic foot resting boxes. results from the animal-baited traps indicated a preference for bird versus mammal bait. females sampled by the resting boxes had significantly lower parity rates than females sampled by dry-ice baited evs traps. parity rates were generally similar among females ...19853880265
species composition of mosquitoes collected in the murray valley of south-eastern australia during an epidemic of arboviral encephalitis.mosquito activity at the height of an epidemic of arboviral encephalitis in the murray valley during the summer of 1974 was almost entirely crepuscular and nocturnal, but anecdotal evidence, indicated that day-biting aedes species were also unusually prevalent during the first 4-5 weeks of the epidemic. ninety-eight percent of the 138,359 mosquitoes captured in miniature light traps and by aspiration between 4th and 13th february, 1974, were culex annulirostris, and 10 other species of 5 genera ...19827165580
changes in mosquito populations with expansion of the ross river reservoir, australia, from stage 1 to stage 2a.female mosquitoes were collected at 4 sites around the ross river reservoir (stage 2a) from 484 carbon dioxide-supplemented light traps. the seasonal abundance from these collections during 1991-93 was compared statistically with that for similar collections done for the stage 1 reservoir in 1984-85. principally due to clearing of the forest prior to the inundation of the stage 2a, several tree hole/plant axil and shaded pool species are no longer present or are rare. due to extensive loss of ma ...19957595448
australian x disease, murray valley encephalitis and the french connection.epidemics of a severe encephalitis occurred in eastern australia between 1917 and 1925, in which over 280 cases were reported with a fatality rate of 68%. the disease had not been described previously and was called australian x disease. the next epidemic occurred in south-east australia in the summer of 1950-51. the disease was given its name of murray valley encephalitis as this was the area from which most cases were reported. a virus was isolated by eric french in victoria, and about the sam ...19958545982
mosquito seasonality and arboviral disease incidence in murray valley, southeast australia.adult female mosquito populations were monitored at weekly intervals during spring-autumn (november-march) for 4 years (1991-95) using dry-ice-baited light traps at forty sites in the murray valley of victoria, australia. among twenty species of mosquitoes collected, culex annulirostris was the most abundant (66.6 +/- 9.3%) followed by cx australicus (15.3 +/- 7.7%). from a total of 476,682 mosquitoes collected, nearly all were females and only 1295 (0.27%) were males. mosquito population densit ...19968994141
spatial and temporal analysis of ross river virus disease patterns at maroochy shire, australia: association between human morbidity and mosquito (diptera: culicidae) abundance.notifications of ross river (rr) virus disease in maroochy shire were mapped according to the patient's place of residence, and standardized morbidity ratios were calculated for each of 11 census districts, with 4 areas having higher than average overall rates of rr virus disease notification. temporal analysis of rr virus disease notifications from each of the 11 areas indicated that epidemics of rr virus disease either were widespread, resulting in higher than average numbers of cases from the ...199910467782
vector competence of mosquitoes (diptera: culicidae) from maroochy shire, australia, for barmah forest virus.mosquitoes were collected in light traps from maroochy shire and fed on blood containing the sympatric bf1611 strain of barmah forest virus (bf). saltmarsh aedes vigilax (skuse) and freshwater aedes procax (skuse) were highly susceptible to infection, with id50s of 10(1.7) and 10(1.5) african green monkey kidney (vero) cell culture infectious dose, 50% endpoint (ccid50) per mosquito, respectively, followed by aedes multiplex (theobald) and aedes funereus (theobald) with 10(2.5) and 10(3.2) ccid5 ...199910593091
vector competence of australian mosquitoes (diptera: culicidae) for japanese encephalitis virus.australian mosquitoes were evaluated for their ability to become infected with and transmit a torres strait strain of japanese encephalitis virus. mosquitoes, which were obtained from either laboratory colonies and collected using centers for disease control and prevention light traps baited with co2 and octenol or reared from larvae, were infected by feeding on a blood/sucrose solution containing 10(4.5 +/- 0.1) porcine stable-equine kidney (ps-ek) tissue culture infectious dose50/mosquito of t ...200312597658
mosquito host-feeding patterns and implications for japanese encephalitis virus transmission in northern australia and papua new guinea.japanese encephalitis (je) virus spread to northern australia during the 1990s, transmitted by culex annulirostris skuse and other mosquitoes (diptera: culicidae). to determine the relative importance of various hosts for potential vectors of je virus, we investigated the host-feeding patterns of mosquitoes in northern australia and western province of papua new guinea, with particular attention to pigs, sus scrofa l. - the main amplifying host of je virus in south-east asia. mosquitoes were col ...200314651654
definition of ross river virus vectors at maroochy shire, australia.evidence of ross river (rr) virus infection in field-collected mosquitoes and data from laboratory vector competence experiments incriminated a range of mosquito species as important vectors of rr virus in maroochy shire, queensland, australia. nine rr and 2 barmah forest virus isolates were recovered from 27,529 mosquitoes collected in light traps from maroochy shire during 1996. nine of the 10 most abundant mosquito species collected in light traps were fed on blood containing the b94/20 strai ...200015218919
a curious coincidence: mosquito biodiversity and the limits of the japanese encephalitis virus in australasia.the mosquito culex annulirostris skuse (diptera: culicidae) is the major vector of endemic arboviruses in australia and is also responsible for the establishment of the japanese encephalitis virus (jev) in southern papua new guinea (png) as well as its incursions into northern australia. papua new guinea and mainland australia are separated by a small stretch of water, the torres strait, and its islands. while there has been regular jev activity on these islands, jev has not established on mainl ...200717598922
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