نتایج جستجو برای: sand flies
تعداد نتایج: 42272 فیلتر نتایج به سال:
INTRODUCTION Phlebotomine sand flies are small insects of great medical relevance. This article presents an updated list of the phlebotomine sand flies occurring in the State of Pernambuco, Brazil. METHODS A review of literature published since the 1940s up to May 2010 was conducted and voucher material deposited in reference collections were studied. RESULTS A total of 37 phlebotomine spec...
This paper describes sand flies similar to Nyssomyia intermedia (Lutz & Neiva) with variations in the number of spines at the gonostyle and tests the hypothesis whether these specimens belong or not to N. intermedia species. Using Principal Component Analysis and Neighbour Joining, the measurements of 15 structures of the phlebotomine with variations in number of spines were compared with measu...
The possible presence of sand flies (Diptera: Psychodidae) among colonies of Gunnison's prairie dogs, Cynomys gunnisoni Baird, was investigated on or near ranches with histories of vesicular stomatitis (VS) in domestic livestock in the mid-Rio Grande River Valley, NM, and west-slope region of Colorado. Sampling was conducted at six locations, three in each region, using three methods: standard ...
sergentomyia (sintonius) clydei (sinton) is for the first time recorded from the endemic localities of cutaneous leishmaniasis in sindh, punjab and n.w.f province (pakistan). in view of the published reports about the detection of encephalitis viruses from the species of the genus sergentomyia franca & theodor from the indian localities and their possible role in kala-azar transmission, the cor...
reports from the health center of kerman province, southern iran showed an increasing of cutaneous leishmaniasis cases in orzuieh rural district, southwest of the province in 2003. the report encouraged the team to carry out an epidemi ological survey in the district during 2003-2004. the objectives were to determine the ecology of sand flies, potential reser voir hosts and human infection. a t...
We compared the susceptibility of sand fly vectors to four topical insecticide treatments applied to domestic dogs, a reservoir of human leishmaniasis. Dogs were exposed to sand flies pretreatment and at 1 week, 1 month, and 2 months posttreatment. Sand fly bloodfeeding and survival rate of both fed and unfed flies were significantly reduced by the permethrin, deltamethrin, and fenthion treatme...
BACKGROUND Phlebotomine sand flies are the vectors of the leishmaniases, parasitic diseases caused by Leishmania spp. Little is known about the prevalence and diversity of sand fly microflora colonizing the midgut or the cuticle. Particularly, there is little information on the fungal diversity. This information is important for development of vector control strategies. METHODOLOGY/PRINCIPAL ...
Leishmania chagasi, transmitted mainly by Lutzomyia longipalpis sand flies, causes visceral leishmaniasis and atypical cutaneous leishmaniasis in Latin America. Successful vector control depends upon determining vectorial capacity and understanding Leishmania transmission by sand flies. As microscopic detection of Leishmania in dissected sand fly guts is laborious and time-consuming, highly spe...
The repellent action of neem oil was evaluated against sand flies under laboratory and field conditions. Concentrations of 2% neem oil mixed in coconut or mustard oil provided 100% protection against Phlebotomus argentipes throughout the night under field conditions; against Phlebotomus papatasi it repelled sand flies for about 7 h in the laboratory. Neem oil is an indigenous product and a low-...
The objective of the present study was to determine the association of sand flies with the presence of domestic and wild animals in the peridomiciliary area. The sand flies were collected using direct aspiration and CDC light traps placed in animal shelters. The results suggest that different sand flies species have different behavioral characteristics in an apparent preference for animal baits...
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