Publications

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ochlerotatus j. japonicus in frederick county, maryland: discovery, distribution, and vector competence for west nile virus.ochlerotatus japonicus japonicus is reported for the 1st time south of the mason-dixon line, in frederick county, maryland. fifty-seven oviposition trap samples were collected throughout the county between june 30 and august 24, 2000. from 971 larvae reared from the oviposition traps, 5 species were identified: ochlerotatus triseriatus (45%), oc. j. japonicus (43%), aedes albopictus (7%), culex pipiens (4%), and toxorynchites ritulus septentrionalis (<1%). ochlerotatus j. japonicus was found wid ...200111480822
a geospatial study of the potential of two exotic species of mosquitoes to impact the epidemiology of west nile virus in maryland.we used geospatial techniques to study the potential impact of 2 exotic mosquitoes, aedes albopictus and ochlerotatus japonicus japonicus, on the epidemiology of west nile virus in maryland. these 2 species have established populations in maryland over the past 15 years. larvae of both mosquito species are found in natural and artificial water-holding cavities and containers, particularly water in tires. therefore, we used locations of licensed tire dealers and of tire dumps scheduled for clean ...200314524539
human bloodfeeding by the recently introduced mosquito, aedes japonicus japonicus, and public health implications.knowledge of the host-feeding behavior and extent of interactions with human hosts are important in evaluating the role and vector potential of invasive mosquitoes in transmission of native arboviruses. we collected blood-engorged females of the recently established exotic species aedes japonicus japonicus from sites in new jersey during 2000 to 2007 and identified the sources of vertebrate blood meals by sequencing portions of the cytochrome b gene of mitochondrial dna. over 1/3 (36%, n = 36) o ...200919653507
arrival and establishment of aedes japonicus japonicus (diptera: culicidae) in iowa.the arrival and establishment of aedes (finlaya) japonicus japonicus (theobald) (diptera: culicidae) in iowa are reported. in total, 518 wild adult specimens were collected through the statewide mosquito and mosquito-borne virus surveillance program in 2007 and 2008. specimens were collected with new jersey light traps, co2-baited cdc light traps, grass infusion-baited gravid traps, and mosquito magnet traps located in 12 counties in central and eastern iowa specimens were identified morphologic ...200919960671
new distribution records of mosquitoes in washington state.routine west nile virus (wnv) surveillance in 2016 by the washington state department of health resulted in 1 new state distribution record for aedes hendersoni, bringing the total number of mosquito species reported from washington to 52. we also report new county records for aedes japonicus japonicus, aedes togoi, and culex salinarius .201728388317
aedes japonicus japonicus (diptera: culicidae) from germany have vector competence for japan encephalitis virus but are refractory to infection with west nile virus.the interplay between arthropod-borne (arbo) viruses and their vectors is usually complex and often exert unique relationships. aedes japonicus japonicus (hulecoeteomyia japonica or ochlerotatus japonicus japonicus), an invasive mosquito species with laboratory proven vector competence for a number of emerging viruses has been newly introduced to germany and is currently expanding its range throughout the country. on the other hand, west nile virus (wnv), an emerging arbovirus originating from a ...201424948103
laboratory colonization of aedes japonicus japonicus (diptera: culicidae) collected in narita, japan and the biological properties of the established colony.a laboratory colony of the mosquito aedes japonicus japonicus, which has recently invaded the united states and is recognized as a highly competent vector of west nile virus, was established from larvae collected in narita, japan. the mosquitoes were maintained with induced insemination, blood-feeding on humans, and oviposition in water provided from the original collection site during the first few generations, then the colony was transferred to a large cage (40×40×100 cm in height) and adapted ...201021099089
first record of aedes japonicus japonicus in illinois: defining its spatial distribution and associated mosquito species.since the initial discovery of aedes japonicus japonicus in 1998 from sites in the northeastern united states (new york, connecticut, and new jersey), this invasive mosquito species now permeates local faunas throughout eastern north america and continues to expand its distribution westward. in july and august of 2006, the 1st reported specimens of ae. japonicus were detected in east central illinois at 2 woodlots in southern urbana. sampling efforts were concentrated around the site of the orig ...200717939502
stormwater ponds, constructed wetlands, and other best management practices as potential breeding sites for west nile virus vectors in delaware during 2004.we performed longitudinal surveys of mosquito larval abundance (mean mosquito larvae per dip) in 87 stormwater ponds and constructed wetland in delaware from june to september 2004. we analyzed selected water quality factors, water depth, types of vegetation, degree of shade, and level of insect predation in relation to mosquito abundance. the 2004 season was atypical, with most ponds remaining wet for the entire summer. in terms of west nile virus (wnv) vectors, wetlands predominantly produce a ...200617019774
experimental transmission of st. louis encephalitis virus by ochlerotatus j. japonicus.ochlerotatus japonicus japonicus a newly discovered nonindigenous mosquito species in north america, and a colonized strain of culex pipiens were compared for their vector competence for st. louis encephalitis virus (sle). infection rates in oc. j. japonicus were 0-33% after feeding on chickens with viremias between 10(4.1) and 10(4.7) plaque-forming units (pfu)/ml of blood. in comparison, infection rates were 12-94% for cx. pipiens that fed on the same chickens. when fed on chickens with viremi ...200312825669
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