نتایج جستجو برای: aedes mosquitoes

تعداد نتایج: 18229  

Journal: :Journal of the American Mosquito Control Association 2005
Ivoneide M Silva Alvaro E Eiras Daniel L Kline Ulrich R Bernier

A synthetic blend of chemicals comprising volatiles released by the human body has been shown to be an effective attractant for female Aedes aegypti in olfactometer bioassays with laboratory-reared mosquitoes. We report the laboratory evaluation of Ae. aegypti response to a synthetic blend tested with 4 types of mosquito traps (CDC model 512, CDC model 1012, CFG, and Fay-Prince traps). Aedes ae...

Journal: :PLoS neglected tropical diseases 2016
Leonard E G Mboera Clement N Mweya Susan F Rumisha Patrick K Tungu Grades Stanley Mariam R Makange Gerald Misinzo Pasquale De Nardo Francesco Vairo Ndekya M Oriyo

BACKGROUND In 2010, 2012, 2013 and 2014 dengue outbreaks have been reported in Dar es Salaam, Tanzania. However, there is no comprehensive data on the risk of transmission of dengue in the country. The objective of this study was to assess the risk of transmission of dengue in Dar es Salaam during the 2014 epidemic. METHODOLOGY/PRINCIPAL FINDINGS This cross-sectional study was conducted in Da...

Journal: :Current Opinion in Virology 2021

Mosquitoes are the major vectors for arthropod-borne viruses (arboviruses) of medical importance. Aedes aegypti and A. albopictus most prolific widespread mosquito being responsible global transmission dengue, Zika Chikungunya viruses. Characterizing collection circulating in mosquitoes, virome, has long been special interest. In addition to arboviruses, mosquitoes carry insect-specific (ISVs) ...

Journal: :Journal of the American Mosquito Control Association 1992
R Kelly J D Edman

Probing mosquitoes salivate before ingesting blood, and malaria sporozoites are transmitted during this phase of feeding. Large and small Aedes aegypti infected with Plasmodium gallinaceum were allowed to probe briefly on a series of 3 naive chicks. Large mosquitoes were more infective overall, but there was no difference in the ability of either size class to infect the first host. Large mosqu...

2017
Pattamaporn Kittayapong Phanthip Olanratmanee Pongsri Maskhao Peter Byass James Logan Yesim Tozan Valérie Louis Duane J. Gubler Annelies Wilder-Smith

BACKGROUND Viral diseases transmitted via Aedes mosquitoes are on the rise, such as Zika, dengue, and chikungunya. Novel tools to mitigate Aedes mosquitoes-transmitted diseases are urgently needed. We tested whether commercially insecticide-impregnated school uniforms can reduce dengue incidence in school children. METHODS We designed a cluster-randomised controlled trial in Thailand. The pri...

Journal: :The Journal of general virology 2006
Shelley Cook Shannon N Bennett Edward C Holmes Reine De Chesse Gregory Moureau Xavier de Lamballerie

The genus Flavivirus contains approximately 70 single-stranded, positive-sense RNA viruses that are mosquito-borne, tick-borne or have no known vector. Two discoveries support previous suggestions of the existence of a large number of unsampled flaviviruses: (i) a new flavivirus, Kamiti River virus, was recently isolated from Kenyan mosquitoes, and (ii) sequences with high similarity to those o...

Journal: :International Journal of Tropical Disease & Health 2022

Background: Malaria burden is generally lower in urban settings. Urban malaria likely to surge due rapid and unplanned urbanization. Hence, this study sought determine the prevalence of parasite vectors Adenta-barrier, a suburb Adentan Municipality.
 Methods: The followed cross sectional design pattern. Mosquitoes were collected from 40 houses site using pyrethrum spray catches (PSC) metho...

Journal: :Journal of nematology 1998
J J Becnel M A Johnson

Nine species of mosquitoes and several species of non-target aquatic organisms were tested for susceptibility to the mernaithid nematode, Strelkovimermis spiculatus. All species of Anopheles, Aedes, Culex, and Toxorhynchites exposed to S. spiculatus were susceptible. Of the nine mosquito species tested, C. pipiens quinquefasciatus had the greatest tolerance to initial invasion and the highest p...

2014
John Soghigian Kathryn Gibbs Ashleigh Stanton Rachel Kaiser Todd Livdahl

Two invasive mosquitoes, Aedes aegypti and Aedes albopictus, have been interacting during the course of a rapid range expansion by A. albopictus. We investigated the potential for interspecific feeding interference by male mosquitoes interacting with females within and between these species. A. aegypti feeding on both sugar and blood was suppressed when females of this species were exposed to A...

2014
Young-Ran Ha So-Ra Oh Eun-Seok Seo Bo-Heum Kim Dong-Kyu Lee Sang-Joon Lee

Mosquitoes secrete saliva that contains biological substances, including anticoagulants that counteract a host's hemostatic response and prevent blood clotting during blood feeding. This study aimed to detect heparin, an anticoagulant in Aedes togoi using an immunohistochemical detection method, in the salivary canal, salivary gland, and midgut of male and female mosquitoes. Comparisons showed ...

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