Microsatellite markers were isolated and developed from Culex pipiens quinquefasciatus Say (Diptera: Culicidae) sampled in Johannesburg, South Africa, to identify those that are broadly useful for analyzing Cx. pipiens complex populations between continents. Suitable loci should be 1) inherited in a codominant Mendelian manner, 2) polymorphic, 3) selectively neutral, 4) randomly associated, 5) ...

in order to study the mosquito fauna of iran, and to prepare the temporal as well as the spatial distribution of the iranian mosquitoes, a comprehensive study has started since 1981. in this program in which more than 60.000 mosquito larvae, from different breeding sites has been studied, 15 species of culex are reported. these are;cx. arbieeni, cx. bitaeniorhynchus, cx. deserticola, cx. horten...

Multiple mosquito-borne parasites cocirculate in nature and potentially interact. To understand the community of parasites cocirculating with West Nile virus (WNV), we screened the bloodmeal content of Culex pipiens L. mosquitoes for three common types of hemoparasites. Blood-fed Cx. pipiens were collected from a WNV-epidemic area in suburban Chicago, IL, from May to September 2005 through 2010...

The purpose of this study was for the first time to establish phylogenetic hypotheses among Culex (Culex) species from Argentina, and to evaluate the relationships of this subgenus with subgenera Phenacomyia and Phytotelmatomyia. We employed maximum parsimony to analyse morphological characters derived from the morphology of the adult, pupal and larval stages. More than 30 figures, including ph...

An empirical model to forecast West Nile virus mosquito vector populations is developed using time series analysis techniques. Specifically, multivariate seasonal autoregressive integrated moving average (SARIMA) models were developed for Aedes vexans and the combined group of Culex pipiens and Culex restuans in Erie County, New York. Weekly mosquito collections data were obtained for the four ...

Insect-specific flaviviruses (ISFVs) commonly infect vectors of mosquito-borne arboviruses. To investigate whether infection with an ISFV might affect mosquito flight behavior, we quantified flight behavior in Culex pipiens L. naturally infected with Culex flavivirus (CxFV). We observed a significant reduction in the scotophase (dark hours) flight activity of CxFV-positive mosquitoes relative t...

For decades the German Mosquito Control Association (KABS) has conducted mosquito surveillance as part of a comprehensive mosquito control programme. During the summer of 2011 hundreds of dead birds, especially blackbirds (Turdus merula), were found infected with the tropical Usutu occurred to investigate whether nulliparous mosquitoes carry the virus. More than 6.000 breeding sites were invest...

West Nile virus (WNV) is generally considered to be an urban pathogen in the United States, but studies associating land cover and disease incidence, seroprevalence, or infection rate in humans, birds, domesticated and wild mammals, and mosquitoes report varying and sometimes contradictory results at an array of spatial extents. Human infection can provide insight about basic transmission activ...

The esterase B gene is amplified 32-fold in an organophosphorus insecticide resistant strain, Shinjuku, of Culex pipiens molestus. The amplified gene was revealed to cluster in single extended chromosomal region (ECR) of chromosome 2 by fluorescence in situ hybridization on salivary gland chromosomes. The ECR appeared to be homogeneously non-staining with DAPI, orcein or Giemsa stains. In the F...