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1621. Designing of a laboratory model for evaluation of the residual effects of deltamethrin (K-othrine WP 5%) on different surfaces against malaria vector, Anopheles stephensi (diptera: culicidae). (Abstract)

Designing of a laboratory model for evaluation of the residual effects of deltamethrin (K-othrine WP 5%) on different surfaces against malaria vector, Anopheles stephensi (diptera: culicidae). Deltamethrin plays an important role in controlling malaria vectors, and is used in indoor residual spraying and manufacture of long-lasting insecticidal mosquito nets. The residual activity of deltamethrin (K-othrine WP 5%) @ 25 mg/m(2) was studied in laboratory conditions on different surfaces.The

2009 Journal of Vector Borne Disease

1622. Molecular detection of Leishmania infantum in naturally infected Phlebotomus perniciosus from Algarve region, Portugal. (Abstract)

Molecular detection of Leishmania infantum in naturally infected Phlebotomus perniciosus from Algarve region, Portugal. In Portugal, Phlebotomus perniciosus and P. ariasi, (Subgenus Larroussius; Diptera: Psychodidae) are the proven vectors of leishmaniasis caused by Leishmania infantum. The Algarve Region in southern Portugal has been considered an endemic focus of leishmaniasis since 1980s. The main objective of the present study was to validate a molecular approach to detect Leishmania

2009 Journal of Vector Borne Disease

1623. Seasonal occurrence of phlebotominae sand flies (Phlebotominae: Diptera) and it's correlation with kala-azar in eastern Uttar Pradesh, India. (Abstract)

Seasonal occurrence of phlebotominae sand flies (Phlebotominae: Diptera) and it's correlation with kala-azar in eastern Uttar Pradesh, India. In this investigation, the species composition of sand flies, and their seasonality, nocturnal activity, sex ratio, and resting site, for implementation of future control measures, were surveyed in eastern (Gonda and Basti) Uttar Pradesh, India. Adult sand flies (2,893) were collected from internal and external sites by sticky and light traps. The sand

2009 Southeast Asian Journal of Tropical Medicine and Public Health

1624. Scanning electron microscopy of the cibarial armature of species in the Anopheles dirus complex (Diptera: Culicidae). (Abstract)

Scanning electron microscopy of the cibarial armature of species in the Anopheles dirus complex (Diptera: Culicidae). The structure of the cibarial armature of mosquitoes has been found to be useful for taxonomic identification. We used a scanning electron micrograph to examine the cibarial armature of 4 of 5 species in the Anopheles dirus complex existing in Thailand: Anopheles dirus Peyton & Harrison, and An. cracens Sallum & Peyton, An. scanloni Sallum & Peyton, and An. baimaii Sallum

2009 Southeast Asian Journal of Tropical Medicine and Public Health

1625. Outbreak of chikungunya fever in Thailand and virus detection in field population of vector mosquitoes, Aedes aegypti (L.) and Aedes albopictus Skuse (Diptera: Culicidae). (Abstract)

Outbreak of chikungunya fever in Thailand and virus detection in field population of vector mosquitoes, Aedes aegypti (L.) and Aedes albopictus Skuse (Diptera: Culicidae). We investigated chikungunya fever outbreak in the southern part of Thailand. Human plasma specimens obtained from suspected patients and adult wild-caught mosquitoes were detected for chikungunya virus employing reverse transcriptase-polymerase chain reaction technique. Chikungunya virus was detected in about half

2009 Southeast Asian Journal of Tropical Medicine and Public Health

1626. The effects of the fungus Metarhizium anisopliae var. acridum on different stages of Lutzomyia longipalpis (Diptera: Psychodidae). (Abstract)

The effects of the fungus Metarhizium anisopliae var. acridum on different stages of Lutzomyia longipalpis (Diptera: Psychodidae). The control of Visceral Leishmaniasis (VL) vector is often based on the application of chemical residual insecticide. However, this strategy has not been effective. The continuing search for an appropriate vector control may include the use of biological control. This study evaluates the effects of the fungus Metarhizium anisopliae var. acridum on Lutzomyia

2009 Acta Tropica

1627. Laboratory and field evaluation of neem (Azadrichta indica A. Juss) and Chinaberry (Melia azedarach L.) oils as repellents against Phlebotomus orientalis and P. bergeroti (Diptera: Psychodidae) in Ethiopia. (Abstract)

Laboratory and field evaluation of neem (Azadrichta indica A. Juss) and Chinaberry (Melia azedarach L.) oils as repellents against Phlebotomus orientalis and P. bergeroti (Diptera: Psychodidae) in Ethiopia. The study evaluated the efficacy of neem (Azadirachta indica A. Juss.) and Chinaberry (Melia azedarach L.) seed oils as repellents against laboratory and field populations of some sandflies in Ethiopia. In the laboratory, concentrations of 2% and 5% neem oil in coconut oil tested against

2009 Acta Tropica

1628. Behavioral heterogeneity of Anopheles darlingi (Diptera: Culicidae) and malaria transmission dynamics along the Maroni River, Suriname, French Guiana. (Abstract)

Behavioral heterogeneity of Anopheles darlingi (Diptera: Culicidae) and malaria transmission dynamics along the Maroni River, Suriname, French Guiana. The border area between Suriname and French Guiana is considered the most affected malaria area in South America. A one-year cooperative malaria vector study was performed by the two countries, between March 2004 and February 2005, in four villages. Anopheles darlingi proved to be the most abundant anopheline species. Human biting rates differed

2009 Transactions of the Royal Society of Tropical Medicine & Hygiene

1629. Comparative attractiveness of CO2-baited CDC light traps and animal baits to Phlebotomus duboscqi sandflies. (Abstract)

Comparative attractiveness of CO2-baited CDC light traps and animal baits to Phlebotomus duboscqi sandflies. In order to understand sandfly bionomics, vector species identification, and to develop methods for sandfly control, there is a need to sample sandflies in any particular habitat. This survey was aimed at determining the best method of sampling Phlebotomus (Phlebotomus) duboscqi (Diptera: Psychodidae) in the field.Different animal baits and CO2-baited CDC light traps were used to attract

2009 Journal of Vector Borne Disease

1630. Susceptibility of Culicoides biting midge larvae to the insect-pathogenic fungus, Metarhizium anisopliae: Prospects for bluetongue vector control. (Abstract)

Susceptibility of Culicoides biting midge larvae to the insect-pathogenic fungus, Metarhizium anisopliae: Prospects for bluetongue vector control. Culicoides biting midges (Diptera: Ceratopogonidae) are responsible for the spread of several arboviruses of livestock and humans that are of international importance. This study assesses the virulence of 18 insect-pathogenic fungal strains from the genera Metarhizium, Beauveria, Isaria and Lecanicillium to larval stages of Culicoides nubeculous

2009 Acta Tropica

1631. Nutritional stress of adult female tsetse flies (Diptera: Glossinidae) affects the susceptibility of their offspring to trypanosomal infections. Full Text available with Trip Pro

Nutritional stress of adult female tsetse flies (Diptera: Glossinidae) affects the susceptibility of their offspring to trypanosomal infections. The epidemiology of tsetse-transmitted trypanosomiasis depends, among other factors, on the proportion of infected flies in a tsetse population. A wide range of intrinsic and extrinsic factors seem to determine the ability of a tsetse fly to become infected and to transmit the parasite. In this paper, we investigated the effect of nutritional stress

2009 Acta Tropica

1632. Activities of naphthoquinones against Aedes aegypti (Linnaeus, 1762) (Diptera: Culicidae), vector of dengue and Biomphalaria glabrata (Say, 1818), intermediate host of Schistosoma mansoni. Full Text available with Trip Pro

Activities of naphthoquinones against Aedes aegypti (Linnaeus, 1762) (Diptera: Culicidae), vector of dengue and Biomphalaria glabrata (Say, 1818), intermediate host of Schistosoma mansoni. Larvicidal (against Aedes aegypti Linnaeus, 1762) and molluscicidal (against Biomphalaria glabrata Say, 1818) activities of several natural and synthetic naphthoquinones were measured, with significant results. The best larvicidal compound is 3-bromojuglone, while the better molluscicides are 2-bromo- and 3

2009 Acta Tropica

1633. Species B of Anopheles culicifacies (Diptera: Culicidae) is reproductively less fit than species A and C of the complex. (Abstract)

Species B of Anopheles culicifacies (Diptera: Culicidae) is reproductively less fit than species A and C of the complex. Anopheles culicifacies, the most important malaria vector of peninsular India exist as a complex of five sibling species. The member species of the complex have various biological differences including their susceptibility to malaria parasites. The present attempt is made to study and compare the fecundity of the differentially susceptible members of the An. culicifacies

2009 Acta Tropica

1634. Molecular characterization of the invasive Asian Tiger mosquito, Aedes (Stegomyia) albopictus (Diptera: Culicidae) in Corsica. (Abstract)

Molecular characterization of the invasive Asian Tiger mosquito, Aedes (Stegomyia) albopictus (Diptera: Culicidae) in Corsica. The Asian tiger mosquito Aedes albopictus, vector of various human viruses and parasites, has recently spread and established in many temperate regions including European countries. In the present study, we developed a simple PCR-based assay (the amplification of the internal transcribed spacer ITS2 within nuclear ribosomal rDNA) for molecular identification

2009 Acta Tropica

1635. Coquillettidia (Culicidae, Diptera) mosquitoes are natural vectors of avian malaria in Africa. Full Text available with Trip Pro

Coquillettidia (Culicidae, Diptera) mosquitoes are natural vectors of avian malaria in Africa. The mosquito vectors of Plasmodium spp. have largely been overlooked in studies of ecology and evolution of avian malaria and other vertebrates in wildlife.Plasmodium DNA from wild-caught Coquillettidia spp. collected from lowland forests in Cameroon was isolated and sequenced using nested PCR. Female Coquillettidia aurites were also dissected and salivary glands were isolated and microscopically

2009 Malaria journal

1636. West Nile virus infection alters midgut gene expression in Culex pipiens quinquefasciatus Say (Diptera: Culicidae). Full Text available with Trip Pro

West Nile virus infection alters midgut gene expression in Culex pipiens quinquefasciatus Say (Diptera: Culicidae). Alterations in gene expression in the midgut of female Culex pipiens quinquefasciatus exposed to blood meals containing 6.8 logs plaque-forming units/mL of West Nile virus (WNV) were studied by fluorescent differential display. Twenty-six different cDNAs exhibited reproducible differences after feeding on infected blood. Of these, 21 cDNAs showed an increase in expression, and 5

2009 American Journal of Tropical Medicine & Hygiene

1637. Environmental and biological factors influencing Culex pipiens quinquefasciatus Say (Diptera: Culicidae) vector competence for Saint Louis encephalitis virus. Full Text available with Trip Pro

Environmental and biological factors influencing Culex pipiens quinquefasciatus Say (Diptera: Culicidae) vector competence for Saint Louis encephalitis virus. Complex interactions between environmental and biological factors influence the susceptibility of Culex pipiens quinquefasciatus to St. Louis encephalitis virus and could affect the epidemiology of virus transmission. Similar interactions could have epidemiologic implications for other vector-virus systems. We conducted an experiment

2009 American Journal of Tropical Medicine & Hygiene

1638. Anopheles darlingi (Diptera: Culicidae) in Panama. Full Text available with Trip Pro

Anopheles darlingi (Diptera: Culicidae) in Panama. We report Anopheles darlingi in Darien Province in eastern Panama. Polymerase chain reaction-restriction fragment length polymorphism profiles of the single copy nuclear white gene and sequence comparisons confirmed the presence of 66 specimens of the northern lineage of An. darlingi. The parsimony network depicted 5 CO1 haplotypes in 40 specimens of An. darlingi, which connected through 7-8 mutational steps with sequences from Central

2009 American Journal of Tropical Medicine & Hygiene

1639. Genetic variability in geographical populations of Culex quinquefasciatus Say (Diptera: Culicidae) from India based on Random Amplified Polymorphic DNA Analysis. (Abstract)

Genetic variability in geographical populations of Culex quinquefasciatus Say (Diptera: Culicidae) from India based on Random Amplified Polymorphic DNA Analysis. Genetic variability and environmental factors may influence the refractiveness, propagation of pathogen and transmission of disease. Random amplified polymorphic DNA (RAPD) is one of the widely used molecular markers for population genetic diversity studies. In present study, RAPD is used to ascertain the genetic variability in Culex

2009 Acta Tropica

1640. First report of Lutzomyia (Nyssomyia) neivai (Diptera: Psychodidae: Phlebotominae) naturally infected by Leishmania (Viannia) braziliensis in a Periurban area of south Brazil using a multiplex polymerase chain reaction assay. (Abstract)

First report of Lutzomyia (Nyssomyia) neivai (Diptera: Psychodidae: Phlebotominae) naturally infected by Leishmania (Viannia) braziliensis in a Periurban area of south Brazil using a multiplex polymerase chain reaction assay. To identify Lutzomyia (Nyssomyia) neivai naturally infected by Leishmania a multiplex polymerase chain reaction (PCR) was used for the analysis of 450 specimens (270 females, 180 males) collected in an endemic periurban area of cutaneous leishmaniasis in Porto Alegre

2009 American Journal of Tropical Medicine & Hygiene

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