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Diptera

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1861. Microsatellite and mitochondrial genetic differentiation of Anopheles arabiensis (Diptera: Culicidae) from western Kenya, the Great Rift Valley, and coastal Kenya. (Abstract)

Microsatellite and mitochondrial genetic differentiation of Anopheles arabiensis (Diptera: Culicidae) from western Kenya, the Great Rift Valley, and coastal Kenya. The population genetic structure of the African malaria vector Anopheles arabiensis from western Kenya, the Great Rift Valley, and coastal Kenya was investigated using 12 microsatellite loci and a partial sequence of mtDNA dehydrogenase gene subunit 5 (ND5). The mean number of alleles and the observed heterozygosity were similar

2005 American Journal of Tropical Medicine & Hygiene

1862. Male sex pheromones and the phylogeographic structure of the Lutzomyia longipalpis species complex (Diptera: Psychodidae) from Brazil and Venezuela. (Abstract)

Male sex pheromones and the phylogeographic structure of the Lutzomyia longipalpis species complex (Diptera: Psychodidae) from Brazil and Venezuela. Lutzomyia longipalpis, a sibling complex, is the main vector of Leishmania chagasi/infantum. Discriminating between siblings is important as they may differ in vectorial capacity. Lutzomyia longipalpis populations display distinct male sex pheromone chemotypes. We investigated the phylogeographic pattern of variation at microsatellite loci from 11

2005 American Journal of Tropical Medicine & Hygiene

1863. Finding needles in the haystack: single copy microsatellite loci for Aedes japonicus (Diptera: Culicidae). (Abstract)

Finding needles in the haystack: single copy microsatellite loci for Aedes japonicus (Diptera: Culicidae). First identified in three North American states in 1998, Aedes japonicus japonicus, the Asian bush mosquito, has since spread to 21 states, plus Ontario in Canada, northern France, and Belgium. Analyses of the introduction and expansion of this potentially deadly disease vector will be radically improved by including powerful genetic markers like microsatellites. Useful microsatellite loci

2005 American Journal of Tropical Medicine & Hygiene

1864. Modeling the impact of variable climatic factors on the crossover of Culex restauns and Culex pipiens (Diptera: culicidae), vectors of West Nile virus in Illinois. (Abstract)

Modeling the impact of variable climatic factors on the crossover of Culex restauns and Culex pipiens (Diptera: culicidae), vectors of West Nile virus in Illinois. The aim of this study was to model the impact of temperature on the timing of the seasonal shift in relative proportion of Culex restuans Theobald and Culex pipiens L. in Illinois. The temporal pattern of West Nile virus (WNV) and St. Louis encephalitis virus transmission in the midwest exhibits a late summer to early fall peak

2006 American Journal of Tropical Medicine & Hygiene

1865. Use of the pupal survey technique for measuring Aedes aegypti (Diptera: Culicidae) productivity in Puerto Rico. (Abstract)

Use of the pupal survey technique for measuring Aedes aegypti (Diptera: Culicidae) productivity in Puerto Rico. The hypothesis tested was that most pupae of Aedes aegypti are produced in a few types of containers so that vector control efforts could concentrate on eliminating the most productive ones and thus prevent dengue outbreaks. Pupal surveys were conducted twice in 2004 in an urban area in southern Puerto Rico. A total 35,030 immature mosquitoes (III and IV instars, pupae) was counted

2006 American Journal of Tropical Medicine & Hygiene

1866. Application of an alternative Aedes species (Diptera: culicidae) surveillance method in Botucatu City, Sao Paulo, Brazil. (Abstract)

Application of an alternative Aedes species (Diptera: culicidae) surveillance method in Botucatu City, Sao Paulo, Brazil. One of the main problems with dengue is the control of Aedes aegypti, its major vector. In Brazil, the current control program for Ae. aegypti and Aedes albopictus populations includes larval density surveys. An interesting alternative is the use of a distinct index, the Premise Condition Index (PCI). This tool relates conditions of property, such as houses and yards

2005 American Journal of Tropical Medicine & Hygiene

1867. Detection and characterization of Wolbachia infections in Wuchereria bancrofti (Spirurida: Onchocercidae) var. pacifica and Aedes (Stegomyia) polynesiensis (Diptera: Culicidae). (Abstract)

Detection and characterization of Wolbachia infections in Wuchereria bancrofti (Spirurida: Onchocercidae) var. pacifica and Aedes (Stegomyia) polynesiensis (Diptera: Culicidae). Despite control programs based on mass drug administration (MDA) of microfilaricidal compounds, Bancroftian lymphatic filariasis remains a problem in French Polynesia. For an alternative strategy to MDA, we investigated the potential role of Wolbachia to control filarial transmission. Wolbachia are intracellular alpha

2005 American Journal of Tropical Medicine & Hygiene

1868. Diurnal pattern of human-biting activity and transmission of subperiodic Wuchereria bancrofti (Filariidea: Dipetalonematidae) by Ochlerotatus niveus (Diptera: Culicidae) on the Andaman and Nicobar islands of India. (Abstract)

Diurnal pattern of human-biting activity and transmission of subperiodic Wuchereria bancrofti (Filariidea: Dipetalonematidae) by Ochlerotatus niveus (Diptera: Culicidae) on the Andaman and Nicobar islands of India. We monitored diel-landing periodicity (biting activity/cycle) of Ochlerotatus niveus and the infection/infectivity pattern through human-landing collections on Teressa Island, which is remotely located in the Nicobar district of the Andaman and Nicobar group of Islands of India

2005 American Journal of Tropical Medicine & Hygiene

1869. Short report: observations on the multiple feeding behavior of Culex tritaeniorhynchus (Diptera: culicidae), the vector of Japanese encephalitis in Kerala in southern India. (Abstract)

Short report: observations on the multiple feeding behavior of Culex tritaeniorhynchus (Diptera: culicidae), the vector of Japanese encephalitis in Kerala in southern India. A study was undertaken in villages endemic for Japanese encephalitis (JE) in Kerala in southern India during the period 1998-2001 to determine the host-feeding pattern of Culex tritaeniorhynchus, the major vector of JE in southeast Asia. A total of 3,067 blood-engorged Cx. tritaeniorhynchus were tested and 2,553 (82.2

2005 American Journal of Tropical Medicine & Hygiene

1870. Rapid assays for identification of members of the Culex (Culex) pipiens complex, their hybrids, and other sibling species (Diptera: culicidae). (Abstract)

Rapid assays for identification of members of the Culex (Culex) pipiens complex, their hybrids, and other sibling species (Diptera: culicidae). Mosquitoes in the Culex (Culex) pipiens complex of species, known as vectors of periodic filariasis and deadly encephalitides, have recently emerged as important vectors of West Nile virus in the United States. Highly conserved morphology but marked differences in potential vectorial capacity require the development of polymerase chain reaction (PCR

2004 American Journal of Tropical Medicine & Hygiene

1871. Epidemiology of Andean cutaneous leishmaniasis: incrimination of Lutzomyia ayacuchensis (Diptera: psychodidae) as a vector of Leishmania in geographically isolated, upland valleys of Peru. (Abstract)

Epidemiology of Andean cutaneous leishmaniasis: incrimination of Lutzomyia ayacuchensis (Diptera: psychodidae) as a vector of Leishmania in geographically isolated, upland valleys of Peru. The southernmost limit of the distribution of endemic Andean cutaneous leishmaniasis (CL), commonly known as Uta, is localized in the western Andean valleys of Ayacucho, Peru. This area is completely isolated from other regions endemic for this disease. Identification of the insect vector for Andean CL

2004 American Journal of Tropical Medicine & Hygiene

1872. Phenotypic plasticity and geographic variation in thermal tolerance and water loss of the tsetse Glossina pallidipes (Diptera: Glossinidae): implications for distribution modelling. Full Text available with Trip Pro

Phenotypic plasticity and geographic variation in thermal tolerance and water loss of the tsetse Glossina pallidipes (Diptera: Glossinidae): implications for distribution modelling. Using the tsetse, Glossina pallidipes, we show that physiologic plasticity (resulting from temperature acclimation) accounts for among-population variation in thermal tolerance and water loss rates. Critical thermal minimum (CT(Min)) was highly variable among populations, seasons, and acclimation treatments

2006 American Journal of Tropical Medicine & Hygiene

1873. Diversity and ecology of sand flies (Diptera: Psychodidae: Phlebotominae) in coastal French Guiana. (Abstract)

Diversity and ecology of sand flies (Diptera: Psychodidae: Phlebotominae) in coastal French Guiana. In French Guiana, at least five Leishmania species are known to be sympatically transmitted in sylvatic ecotopes. However, the previous surveys on the phlebotomine sand fly fauna were published 20 years ago. During that period, many ecological changes have occurred. Sand fly collections were conducted with CDC light traps in five stations representing the main ecotopes of French Guiana. A total

2006 American Journal of Tropical Medicine & Hygiene

1874. Rapid assay to identify the two genetic forms of Culex (Culex) pipiens L. (Diptera: Culicidae) and hybrid populations. (Abstract)

Rapid assay to identify the two genetic forms of Culex (Culex) pipiens L. (Diptera: Culicidae) and hybrid populations. A previously developed method to identify members of the Culex pipiens complex exploiting polymorphisms in a nuclear intron (acetylcholinesterase [ACE] based-assay) cannot differentiate the two forms of Cx. pipiens: form pipiens and form molestus. Notably, the two forms seem to differ extensively in behavior and physiology and likely have very different epidemiologic importance

2006 American Journal of Tropical Medicine & Hygiene

1875. Seasonal variation of Lutzomyia longipalpis (Lutz & Neiva, 1912) (Diptera: Psychodidae: Phlebotominae) in endemic area of visceral leishmaniasis, Campo Grande, state of Mato Grosso do Sul, Brazil. (Abstract)

Seasonal variation of Lutzomyia longipalpis (Lutz & Neiva, 1912) (Diptera: Psychodidae: Phlebotominae) in endemic area of visceral leishmaniasis, Campo Grande, state of Mato Grosso do Sul, Brazil. The seasonal distribution of Lutzomyia longipalpis was studied in two forested and five domiciliary areas of the urban area of Campo Grande; MS, from December 2003 to November 2005. Weekly captures were carried out with CDC light traps positioned on ground and in the canopy inside a residual forest

2007 Acta Tropica

1876. The isolation of Leishmania tropica and L. aethiopica from Phlebotomus (Paraphlebotomus) species (Diptera: Psychodidae) in the Awash Valley, northeastern Ethiopia. (Abstract)

The isolation of Leishmania tropica and L. aethiopica from Phlebotomus (Paraphlebotomus) species (Diptera: Psychodidae) in the Awash Valley, northeastern Ethiopia. In a survey of Leishmania infections in phlebotomine sandflies in a highly suspected focus of leishmaniasis in the Awash Valley (northeastern Ethiopia) between January 1994 and August 1997, a total of 3307 females of 11 Phlebotomus species (P. orientalis, P. fantalensis, P. saevus, P. sergenti, P. gemetchi, P. alexandri, P. bergeroti

2004 Transactions of the Royal Society of Tropical Medicine & Hygiene

1877. The effect of diet, sex and mating status on longevity in Mediterranean fruit flies (Ceratitis capitata), Diptera: Tephritidae. (Abstract)

The effect of diet, sex and mating status on longevity in Mediterranean fruit flies (Ceratitis capitata), Diptera: Tephritidae. Dietary Restriction (DR) extends lifespan in a range of model organisms such as yeast, flies and worms suggesting it is a 'public' mechanism for longevity extension. Lifespan extension has also been reported in the Mediterranean fruit fly (medfly), Ceratitis capitata in response to various types of dietary manipulation, however, the responses can be complex

2005 Experimental Gerontology

1878. Bionomics of Aedes aegypti subpopulations (Diptera: Culicidae) from Misiones Province, northeastern Argentina. (Abstract)

Bionomics of Aedes aegypti subpopulations (Diptera: Culicidae) from Misiones Province, northeastern Argentina. Life statistics of four Aedes aegypti subpopulations from the subtropical province of Misiones were studied during autumn and winter, under semi-natural conditions, coming from the localities of Posadas (SW), San Javier (SE), Bernardo de Irigoyen (NE) and Puerto Libertad (NW). The eastern subpopulations are geographically separated by the central mountain system of the province from

2008 Acta Tropica

1879. Genetic insights into the population structure of Culex pipiens (Diptera: Culicidae) in the Northeastern United States by using microsatellite analysis. (Abstract)

Genetic insights into the population structure of Culex pipiens (Diptera: Culicidae) in the Northeastern United States by using microsatellite analysis. Members of the Culex pipiens complex are considered as biting nuisance and vectors of important arbo-viruses including West Nile virus (WNV). To analyze the genetic structure of urban and rural populations of Cx. pipiens form pipiens and gain insights into behavioral implications, mosquitoes were collected from established WNV transmission foci

2008 American Journal of Tropical Medicine & Hygiene

1880. Transstadial and horizontal transfer of bacteria within a colony of Anopheles gambiae (Diptera: Culicidae) and oviposition response to bacteria-containing water. (Abstract)

Transstadial and horizontal transfer of bacteria within a colony of Anopheles gambiae (Diptera: Culicidae) and oviposition response to bacteria-containing water. In a paratransgenic approach, genetically modified bacteria are utilized to kill the parasite in the vector gut. A critical component for paratransgenics against malaria is how transgenic bacteria can be introduced and then kept in a mosquito population. Here, we investigated transstadial and horizontal transfer of bacteria within

2008 Acta Tropica

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