Simulium damnosum s.l.
Morphological studies of Female Simulium damnosum s.l. in Akamkpa Local Government Area, Cross River State, Nigeria
... of Simulium damnosum ...captured Simulium flies settling on them for blood meals by inverting specimen vials over ...them. Simulium flies were preserved in 70% ethanol and transported to the ...
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Notes on distribution of Simulium damnosum s l along Atbara River in Galabat sub focus, eastern Sudan
... Background: Onchocerciasis is caused by a nematode worm Onchocerca volvulus, which is transmitted in Sudan by black fly vectors of the Simulium damnosum sensu lato species complex. In Sudan, the disease is ...
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Modelling the impact of larviciding on the population dynamics and biting rates of Simulium damnosum (s l ): implications for vector control as a complementary strategy for onchocerciasis elimination in Africa
... Background: In 2012, the World Health Organization set goals for the elimination of onchocerciasis transmission by 2020 in selected African countries. Epidemiological data and mathematical modelling have indicated that ...
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Discrimination between Onchocerca volvulus and O ochengi filarial larvae in Simulium damnosum (s l ) and their distribution throughout central Ghana using a versatile high resolution speciation assay
... glutathione S-transferase 1a gene [2], or the O-150 repeat (Nankoberanyi, Doyle & Grant, personal communication; [3]), which promises to improve the throughput, cost and sensitivity of the conventional ...
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Preliminary study on temporal variations in biting activity of Simulium damnosum s l in Abeokuta North LGA, Ogun State Nigeria
... Adult female of S. damnosum s.l. flies were caught on human attractants. Two human attractants were stationed alternatively for one hour from 0700 and 1800 hour at a location few meters from the breeding ...
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Individual exposure to Simulium bites and intensity of Onchocerca volvulus infection
... In the human population of hyperendemic onchocercia- sis villages, a high individual parasite load results from an intense and prolonged exposure to the transmission of infective larvae of Onchocerca volvulus by the ...
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Onchocerciasis transmission in Ghana: biting and parous rates of host seeking sibling species of the Simulium damnosum complex
... Our investigations into the biting and parity patterns of the sibling species of the S. damnosum complex per- mit, together with O. volvulus infection rates reported elsewhere, a more precise identification ...
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Onchocerciasis transmission in Ghana: the human blood index of sibling species of the Simulium damnosum complex
... on assumptions made regarding the HBI. Stolk et al. [8] fixed the HBI of the savannah members of the Simulium damnosum (sensu lato) (s.l.) complex at 0.96 in their com- parison of the ONCHOSIM and EPIONCHO ...
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Biting behaviour of Simulium damnosum complex and Onchocerca volvulus infection along the Osun River, Southwest Nigeria
... The results from this study showed that there is signifi- cant variation in daily biting activity of S. damnosum s.l at the study area. Apart from Osun Budepo, the three biting peaks observed at Osun Ogbere ...
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Cardiocladius oliffi (Diptera: Chironomidae) as a potential biological control agent against Simulium squamosum (Diptera: Simuliidae)
... Large-scale vector control using chemicals is costly and, if not properly implemented, can result in serious environ- mental consequences. Hence, there is the need to find alternative methods that are cheap in the longer ...
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Stability and change in the distribution of cytospecies of the Simulium damnosum complex (Diptera: Simuliidae) in southern Ghana from 1971 to 2011
... of S . sanctipauli which has a low frequency of 2 L-7 ...of S . soubrense were also identified (using 2 L-7) from one sam- ple (constituting 3% of the four collections combined, and suggesting ...
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L e v e l S e t s o f A d d i t i v e L ´e v y P r o c e s s e s
... Proposition 3.1 rigorously verifies the folklore statement that the “equilib- rium measure” corresponding to sets of the form [c, C[ N is, in fact, the nor- malized Lebesgue measure. It is sometimes possible to find ...
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Situation analysis of parasitological and entomological indices of onchocerciasis transmission in three drainage basins of the rain forest of South West Cameroon after a decade of ivermectin treatment
... rates in the various river basins and by so doing confers variable conditions for Simulium breeding. Moreover, in the Manyu, the communities are situated in the valleys where river flow rates are lower compared to ...
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Analyses of cDNA and recombinant protein for a potent vasoactive protein in saliva of a blood feeding black fly, Simulium vittatum
... MALD/MS analysis of S. vittatum erythema protein, isolated from salivary gland extracts by RP/HPLC, had a molecular mass of 15 373±38 Da (mean ± S . D .), in agreement with the value of 15 351±1.3 Da ...
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The Effect of Temperature on the Survival of Simulium Hargreavesi Larvae Reared in the Laboratory
... In both the control and experimental conditions, observations on water quality indicated less DO at high temperatures and more at lower temperatures. This is because more oxygen dissolves at lower than at higher ...
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Performance Analysis of Turbocharger S. Sowmya 1, L. S. V. Prasad2
... Turbocharger is an air pump designed to operate on the normally wasted energy in engine exhaust gas. These gases drive the turbine wheel (hot wheel) and shaft which is coupled to a compressor wheel (cold wheel) which ...
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Interruption of Onchocerca volvulus transmission in Northern Venezuela
... areas is not likely since the disease has been confined to very small and relatively isolated areas in the northern mountainous region of the country (Figure 1). On the other hand, onchocerciasis models and theory ...
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Corpus Based Statistical Sense Resolution
... CORPUS BASED STATISTICAL SENSE RESOLUTION C O R P U S B A S E D S T A T I S T I C A L S E N S E R E S O L U T I O N C l a u d i a Leacock, 1 Geoffrey Towell, 2 E l l e n Voorhees 2 1Princeton Universi[.] ...
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Iso-S-Closedness and Iso-S*-Closedness in L-Fuzzy Topological Spaces
... disconnected L-fuzzy topological ...compact L-fuzzy subset of (X, ...disconnected L-fuzzy topological space is countably nearly compact then λ is countably nearly ...is L-fuzzy weakly ...
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S,S′ (But 2 yne 1,4 diyl)bis(L cysteine) monohydrate
... sodium hydroxide, 5 ml of water and 7.5 ml of ethanol. After that, the reaction mixture was stirred for another 24 h at room temperature. The precipitate is filtered and recrystallized with water. Pale yellow flakes were ...
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