| ecology of california encephalitis viruses on the del mar va peninsula. i. virus isolations from mosquitoes. | the ecology of california encephalitis viruses was studied on the del mar va peninsula. adult mosquitoes were collected weekly from may to october of 1971 and monthly from may to october of 1972, using cdc miniature light traps with dry ice. floodwater mosquitoes were assayed for virus in suckling mice or cell cultures. in 1971 over 77,000 mosquitoes were processed, resulting in 33 virus isolations. in 1972, over 106,000 were processed and 63 virus strains were recovered. of the 1971 strains, al ... | 1975 | 234205 |
| natural transmission of keystone virus to sentinel rabbits on the delmarva peninsula. | domestic rabbits were exposed in the pocomoke cypress swamp from early may through october 1973, to act as sentinel indicators of keystone (key) virus transmission on the delaware-maryland-virginia (delmarva) peninsula. rabbits were bled weekly and their sera were tested for the presence of neutralizing antibody to both key and james-town canyon (jc) viruses. adult mosquito activity was monitored concurrently by cdc miniature light traps with dry ice. of 100 rabbits exposed, 20 rabbits acquired ... | 1978 | 717629 |
| the population dynamics of two vertically transmitted infections. | the transmission of keystone virus in the mosquito aedes atlanticus and of rickettsia rickettsii in the tick dermacentor andersoni is modeled and analyzed. both of these infections can be transmitted vertically from an infective parent to newborn offspring as well as horizontally via direct or indirect contacts with infected individuals. the vertical transmission mechanism plays a major role in the maintenance of these infections and its effects are analyzed in detail. this same mechanism can ac ... | 1988 | 3148206 |
| mosquitoes captured in a horse-baited stable trap in southeast louisiana. | a mosquito study based on collections from horse-baited stable traps was conducted in 1993 and 1994 at 3 sites in geographically and ecologically distinct areas of st. tammany parish (southeastern louisiana) to determine the major horse-feeding mosquito species that could be possible bridging and epidemic vectors of eastern equine encephalomyelitis virus. a total of 4,535 mosquitoes in 1993 and 23,906 in 1994 involving 26 species were collected, of which, depending on the site, culex salinarius, ... | 2003 | 12825665 |
| field evaluation of a large-scale barrier application of bifenthrin on a golf course to control floodwater mosquitoes. | in order to better understand the role a barrier application plays in an integrated mosquito management program, we applied a bifenthrin barrier application to a large golf course community and evaluated the mosquito population, service requests, and money spent for control from our barrier site as well as a site that was only treated via ground ultra-low-volume (ulv) application or that was left as a control site. both the barrier application (t = 2.63, df = 126, p = 0.0147) and the ground ulv ... | 2012 | 23833902 |
| annotated checklist of the mosquitoes of pennsylvania including new state records. | a checklist of 62 species of mosquitoes found in pennsylvania is presented. in addition, new state records for 9 species are as follows: aedes aegypti, anopheles earlei, culiseta minnesotae, ochlerotatus atlanticus/oc. tormentor, oc. dupreei, oc. infirmatus, oc. thibaulti, psorophora howardii. | 2008 | 18437806 |
| 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 |
| arbovirus circulation, temporal distribution, and abundance of mosquito species in two carolina bay habitats. | carolina bays, a type of geomorphic feature, may be important in the ecology of mosquito vectors in south carolina. their hydrology varies from wetland habitats with marked flooding/drying regimes to permanently flooded spring-fed lakes. moreover, they possess characteristics that contribute to the support of a particularly abundant and diverse invertebrate fauna. although it has been estimated that 2,700+ bays exist in south carolina, approximately 97% have been altered; < or = 200 bays remain ... | 2005 | 15815146 |
| arbovirus surveillance in south carolina, 1996-98. | arboviruses isolated and identified from mosquitoes in south carolina (usa) are described, including new state records for eastern equine encephalitis virus (eee), st. louis encephalitis virus (sle), flanders virus, tensaw virus (ten), and a variant of jamestown canyon virus (jc). mosquitoes were collected at 52 locations in 30 of 46 south carolina counties beginning in june 1996, and ending in october 1998, and tested for arboviruses. of 1,329 mosquito pools tested by virus isolation (85,806 mo ... | 2001 | 11345423 |
| evaluation of butanone, carbon dioxide, and 1-octen-3-ol as attractants for mosquitoes associated with north central florida bay and cypress swamps. | field studies were conducted to determine the responses of mosquitoes found in north central florida bay and cypress swamps to carbon dioxide (co2), light, butanone, and 1-octen-3-ol (octenol), alone and co2 in combination with each of the others. the response of these mosquito species to 5 co2 release rates (2, 20, 100, 200, and 2,000 ml/min) of co2 was also determined. the use of co2 resulted in a response in all the species studied; the pattern of response to increasing co2 levels varied from ... | 1998 | 9813827 |
| maintenance and transmission of keystone virus by aedes atlanticus (diptera: culicidae) and the gray squirrel in the pocomoke cypress swamp, maryland. | | 1988 | 3144600 |
| spatial and temporal distribution of resting female mosquitoes (diptera: culicidae) in the coastal plain of north carolina. | the spatial and temporal distribution of 28 species of female mosquitoes resting in natural (swamp, woods, and swamp-woods ecotone) and human-made (beneath bridges) habitats in blackwater stream-associated ecosystems in duplin county, n.c., was determined by sampling with a d-vac vacuum aspirator during 1984 and 1985. two types of resting distributions were evident. in type one, species including aedes atlanticus dyar & knab, ae. canadensis (theobald), ae. triseriatus (say), and psorophora ferox ... | 1992 | 1353797 |
| the ecology and behavior of aedes atlanticus d. & k. and other species with reference to keystone virus in the houston area, texas. | | 1975 | 1223304 |
| towards a quantitative understanding of the epidemiology of keystone virus in the eastern united states. | the implications of the keystone virus--aedes atlanticus transmission cycle are explored in the context of a quantitative model. among the variables considered are the vertical transmission rate, the effect of the virus upon vector fertility and survival, vector densities and distributions, the proportion susceptible in the vertebrate population, the attractiveness of different vertebrates to the vector and vector survival rates. the logical relationships between these several variables are expl ... | 1978 | 646025 |
| differentiation of aedes atlanticus and aedes tormentor by restriction fragment length polymorphisms of the second internal transcribed spacer. | using novel dna sequence data, we designed a restriction enzyme assay that distinguishes aedes atlanticus and ae. tormentor, based on size polymorphisms. the restriction endonuclease hpy188i digests polymerase chain reaction-amplified 2nd internal transcribed spacer products once for ae. atlanticus and twice for ae. tormentor, thus providing a useful method for identifying adult female collections that are generally considered morphologically indistinguishable. | 2013 | 24551971 |
| allethrin-based mosquito control device causing knockdown, morbidity, and mortality in four species of field-caught mosquitoes (diptera: culicidae). | a mosquito control device marketed for spatial repellency, the thermacell mosquito repellent appliance, was evaluated in semifield trials against multiple field-caught species of mosquito. using paper and mesh cages, mosquito test groups of at least 30 mosquitoes were suspended in a 2,337 cubic foot outdoor space while two thermacell repellent devices were active. after 30 min of treatment, cages were moved to the laboratory to observe knockdown, morbidity, and mortality for 24 h. species tested ... | 2015 | 26335485 |
| mosquitoes (diptera: culicidae) collected from residential yards and dog kennels in florida using two aspirators, a sweep net, or a cdc trap. | mosquito surveillance typically uses centers for disease control and prevention (cdc) mosquito light traps baited with co2. from january 2013 to march 2015, we sampled seven field sites using three active mosquito-trapping techniques (two different aspirators and a sweep net) and the stationary co2-baited cdc mosquito light trap to determine mosquito capture efficacy for each technique. sampling occurred in four suburban backyards and three dog kennel facilities near gainesville, fl, usa; specie ... | 2018 | 29121250 |
| field evaluation of three botanical repellents against psorophora ferox, aedes atlanticus, and aedes mitchellae. | three botanical natural repellents, swamp buddy bug chaser (ai 12% plant-based essential oils), all sport (ai plant-based essential oils, benzophenone-3, octinoxate, and octisalate), and geraniol (ai 25% geraniol oil and lemongrass extract) were evaluated at a field site in elkton, florida, to determine the protection time provided against psorophora ferox, aedes atlanticus, and ae. mitchellae. these three products provided different protection times against biting mosquitoes. geraniol provided ... | 2009 | 19852232 |
| field evaluation of colored light-emitting diodes as attractants for woodland mosquitoes and other diptera in north central florida. | the attraction of mosquitoes to transmitted light from colored super-bright light-emitting diodes (leds) (100-nm bandwidth) was evaluated by comparison of capture numbers with and without carbon dioxide-baited (200 ml/min) centers for disease control (cdc) traps. traps with either colored leds or control lights were arranged in latin square designs at 2 north central florida woodland locations and checked daily during july and august 1996. when data were analyzed by species, a significant differ ... | 1998 | 9673921 |
| methylmercury in mosquitoes related to atmospheric mercury deposition and contamination. | a connection between loadings of inorganic hg, especially from the atmosphere, and accumulation of methylmercury (mehg) in aquatic biota has not been firmly established. mosquitoes (diptera: culicidae) may be a useful indictor of hg contamination or mehg accumulation in aquatic ecosystems because they have aquatic life stages, and their ubiquitous distribution permits sampling across wide ranges of climate, biological productivity, and atmospheric hg deposition. we examined mehg in adult mosquit ... | 2005 | 15926549 |
| potential for mosquitoes (diptera: culicidae) from florida to transmit rift valley fever virus. | we evaluated aedes atlanticus dyar and knab, aedes infirmatus dyar and knab, aedes vexans (meigen), anopheles crucians wiedemann, coquillettidia perturbans (walker), culex nigripalpus theobald, mansonia dyari belkin, heinemann, and page, and psorophora ferox (von humboldt) from florida to determine which of these species should be targeted for control should rift valley fever virus (rvfv) be detected in north america. female mosquitoes that had fed on adult hamsters inoculated with rvfv were inc ... | 2013 | 24180117 |
| ecology of california encephalitis viruses on the del mar va peninsula. ii. demonstration of transovarial transmission. | the high rate of keystone virus recovery from aedes atlanticus collected in 1971 and 1972 suggested that these mosquitoes might be emerging infected. to demonstrate the suspected transovarial transmission of this virus, developmental stages of a. atlanticus were collected from the field. larvae were identified and pooled for virus isolation in suckling mice. pupae were allowed to emerge in the laboratory, then were segregated by sex and pooled for virus isolation. keystone virus was recovered fr ... | 1975 | 1111352 |
| evaluation of attractive toxic sugar bait (atsb)-barrier for control of vector and nuisance mosquitoes and its effect on non-target organisms in sub-tropical environments in florida. | the efficacy of attractive toxic sugar baits (atsb) with the active ingredient eugenol, an environmental protection agency exempt compound, was evaluated against vector and nuisance mosquitoes in both laboratory and field studies. in the laboratory, eugenol combined in attractive sugar bait (asb) solution provided high levels of mortality for aedes aegypti, culex quinquefasciatus, and anopheles quadrimaculatus. field studies demonstrated significant control: >70% reduction for aedes atlanticus, ... | 2013 | 24361724 |