Espécies de flebotomíneos (Diptera, Psychodidae) coletadas em ambiente urbano em municípios com transmissão de Leishmaniose Visceral do Estado de Mato Grosso do Sul, Brasil

Almeida, Paulo; Nascimento, João Cezar do; Ferreira, Ademar Dimas; Minzão, Luiz Donizethe; Portes, Francisco; Miranda, Airton Marques de; Faccenda, Odival; Filho, José Dilermando Andrade

doi:10.1590/s0085-56262010000200014

Cited by 35 publications

(37 citation statements)

References 19 publications

(10 reference statements)

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“…The altered environments favors adaptation of some species of sandflies especially in peridomiciliary, thereby favoring the transmission of the disease, as evidenced in this study, with the presence of L. longipalpis in the urban areas surveyed in Barra do Garças-MT, confirming the findings of some authors [16][17][18] .…”

Section: Conflict Of Interestsupporting

confidence: 91%

“…By comparing the relative frequency of L. longipalpis in the dry and rainy seasons, we noticed a significant increase in the frequency of L. longipalpis during the rainy season, as reported by other authors 12,17,18,[28][29][30][31] .The rainy season increases air humidity and favors the growth of vegetation that provides shelter and adequate conditions for the reproduction of sandflies 32 .…”

Section: Conflict Of Interestsupporting

confidence: 81%

“…The presence of L. cruzi in the urban area was previously reported in Barra do Garças-MT 6 , but this species was not collected during the 2 years of monitoring. The occurrence of a species in a local community is partially determined by its adaptation to the conditions and available resources and partly by competitive interactions with other species 34 ; as these species are very close phylogenetically, both must use the same ecological resources, and competition must occur 18 . Therefore, interspecific competition could explain the absence of L. cruzi during this period.…”

Section: Conflict Of Interestmentioning

confidence: 99%

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Analysis of sandflies (Diptera: Psychodidae) in Barra do Garças, State of Mato Grosso, Brazil, and the influence of environmental variables on the vector density of Lutzomyia longipalpis (Lutz & Neiva, 1912)

Queiroz

Varjão

Moraes

et al. 2012

Rev. Soc. Bras. Med. Trop.

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Introduction: Leishmaniasis is an infectious and parasitic zoonotic, non-contagious, vectorborne disease caused by protozoa of the genus Leishmania. In Brazil, the major vector of Leishmania (Leishmania) infantum chagasi (Cunha & Chagas, 1934) is Lutzomyia longipalpis. Barra do Garças, State of Mato Grosso, was designated as a priority area by the Brazilian Ministry of Health for american visceral leishmaniasis, and it is important to identify the vector species present in this municipality. Our objective was to raise sandflies and study the influence of environmental variables on the vector density of Lutzomyia longipalpis. Methods: We performed entomological monitoring in 3 districts using Centers for Disease Control and Prevention (CDC) light traps and recorded human cases of american visceral leishmaniasis in the city. We calculated the relative frequency and richness of sandflies and applied a transfer function model to the vector density correlate with relative humidity. Results: The sandfly population was composed of 2 genera and 27 species, totaling 8,097 individuals. Monitoring identified Lutzomyia longipalpis (44%), followed by Lutzomyia lenti (18.9%), Lutzomyia whitmani (13.9%), Lutzomyia carmelinoi (9.1%), Lutzomyia evandroi (5.1%), Lutzomyia termitophila (3.3%), Lutzomyia sordellii (1.9%), and 20 other species (<4%). The male:female ratio was 3.5:1. We observed high species diversity (Dα = 6.65). Lutzomyia longipalpis showed occurrence peaks during the rainy season; there was a temporal correlation with humidity, but not with frequency or temperature. Conclusions: The presence of Lutzomyia longipalpis in the urban area of Barra do Garças underscores the changing disease profile, which was previously restricted to the wild environment.

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Section: Conflict Of Interestsupporting

confidence: 91%

Section: Conflict Of Interestsupporting

confidence: 81%

Section: Conflict Of Interestmentioning

confidence: 99%

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Analysis of sandflies (Diptera: Psychodidae) in Barra do Garças, State of Mato Grosso, Brazil, and the influence of environmental variables on the vector density of Lutzomyia longipalpis (Lutz & Neiva, 1912)

Queiroz

Varjão

Moraes

et al. 2012

Rev. Soc. Bras. Med. Trop.

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“…The growth in number of vectors, humans and dogs infected in the State leads to the development of studies in the cities in order to observe the epidemiological pattern of the disease [3-5]. …”

Section: Introductionmentioning

confidence: 99%

Spatial distribution and environmental factors associated to phlebotomine fauna in a border area of transmission of visceral leishmaniasis in Mato Grosso do Sul, Brazil

Andrade

Silva

Cristaldo

et al. 2014

Parasites & Vectors

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BackgroundMato Grosso do Sul has been undergoing a process of urbanization which results in loss of native vegetation. This withdrawal makes vectors of man and domestic animals closer, causing changes in the epidemiology of diseases such as American Visceral Leishmaniasis. The aim of the study was to evaluate the phlebotomine fauna and environmental issues related to the transmission of AVL in Ponta Porã, Mato Grosso do Sul, between 2009 and 2010.MethodsVegetation of the urban area was evaluated by Normalized Difference Vegetation Index (NDVI), Normalized Difference Water Index (NDWI) and Soil Adjusted Vegetation Index (SAVI).ResultsThe results showed that the phlebotomine fauna of the city consists of five species, especially Lutzomyia longipalpis (Lutz and Neiva, 1912), the vector of Leishmania (Leishmania) infantum. Predominance of males was observed. The insects were captured in greater quantity in the intradomicile. Lu. longipalpis was the most frequent and abundant species, present throughout the year, with a peak population after the rainy season. Vectors can be found in high amounts in forest and disturbed environments.ConclusionsThe finding of Lu. longipalpis in regions with little vegetation and humidity suggests that the species is adapted to different sorts of environmental conditions, demonstrating its close association with man and the environment it inhabits. The tourist feature of Ponta Porã reinforces its epidemiological importance as a vulnerable city. The geographical location, bordering Paraguay through dry border, makes possible the existence of a corridor of vectors and infected dogs between the two countries.

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“…Another frequently identified genus was Psathyromyia, represented by six species (18.8%). This genus is found in preservation areas, particularly forest environments (Almeida et al 2010, Margonari et al 2010.…”

mentioning

confidence: 99%

Species diversity of sandflies (Diptera: Psychodidae) during different seasons and in different environments in the district of Taquaruçú, state of Tocantins, Brazil

Machado

Bragança

Carvalho

et al. 2012

Mem. Inst. Oswaldo Cruz

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Espécies de flebotomíneos (Diptera, Psychodidae) coletadas em ambiente urbano em municípios com transmissão de Leishmaniose Visceral do Estado de Mato Grosso do Sul, Brasil

Cited by 35 publications

References 19 publications

Analysis of sandflies (Diptera: Psychodidae) in Barra do Garças, State of Mato Grosso, Brazil, and the influence of environmental variables on the vector density of Lutzomyia longipalpis (Lutz & Neiva, 1912)

Analysis of sandflies (Diptera: Psychodidae) in Barra do Garças, State of Mato Grosso, Brazil, and the influence of environmental variables on the vector density of Lutzomyia longipalpis (Lutz & Neiva, 1912)

Spatial distribution and environmental factors associated to phlebotomine fauna in a border area of transmission of visceral leishmaniasis in Mato Grosso do Sul, Brazil

Species diversity of sandflies (Diptera: Psychodidae) during different seasons and in different environments in the district of Taquaruçú, state of Tocantins, Brazil

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