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

Oliveira, Alessandra Gutierrez de; Galati, Eunice Aparecida Bianchi; Fernandes, Carlos Eurico dos Santos; Dorval, Maria Elizabeth Cavalheiros; Brazil, Reginaldo Peçanha

doi:10.1016/j.actatropica.2007.09.008

Cited by 60 publications

(54 citation statements)

References 13 publications

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“…This adaptation is of concern due to the increased interactions between the vector and susceptible individuals, who could make it difficult to prevent and control disease. This study also demonstrated a Oliveira et al (2006Oliveira et al ( , 2008, who found L. longipalpis to be the most prevalent species (92.2%) in Campo Grande city, Mato Grosso do Sul State, and to have a high density and degree of adaptation in this city.…”

Section: Discussionsupporting

confidence: 70%

Ecology of Lutzomyia longipalpis and Lutzomyia migonei in an endemic area for visceral leishmaniasis

Silva

Santos

Sousa

et al. 2014

Rev. Bras. Parasitol. Vet.

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The main vector for visceral leishmaniasis (VL) in Brazil is Lutzomyia longipalpis. However, the absence of L. longipalpis in a region of autochthonous VL demonstrates the participation of other species in the transmission of the parasite. Studies conducted in La Banda, Argentina, and São Vicente Férrer, Pernambuco State, Brazil, have correlated the absence of L. longipalpis and the presence of L. migonei with autochthonous cases of VL. In São Vicente Férrer, Pernambuco, there was evidence for the natural infection of L. migonei with Leishmania infantum chagasi. Thus, the objective of this work was to assess the ecology of the sand flies L. longipalpis and L. migonei in Fortaleza, an endemic area for VL. Insect capture was conducted at 22 sampling points distributed across four regions of Fortaleza. In total, 32,403 sand flies were captured; of these, 18,166 (56%) were identified as L. longipalpis and 14,237 (44%) as L. migonei. There were significant density differences found between the vectors at each sampling site (indoors and outdoors) (p <0.0001). These findings confirm that L. migonei and L. longipalpis are distributed throughout Fortaleza, where they have adapted to an indoor environment, and suggest that L. migonei may share the role as a vector with L. longipalpis in the transmission of VL in Fortaleza.Keywords: Lutzomyia longipalpis, Lutzomyia migonei, visceral leishmaniasis, Fortaleza. Resumo

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Section: Discussionsupporting

confidence: 70%

Ecology of Lutzomyia longipalpis and Lutzomyia migonei in an endemic area for visceral leishmaniasis

Silva

Santos

Sousa

et al. 2014

Rev. Bras. Parasitol. Vet.

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“…High temperatures alone or associated with other variables had a negative effect on sand flies, probably due to the long rainy season. This inverse correlation between sand flies and high temperature was also reported in the municipality of Nísia Floresta in Rio Grande do Norte (XIMENES et al, 2006), Campo Grande in Mato Grosso do Sul (OLIVEIRA et al, 2008) and Sobral in the state of Ceará (MACEDO et al, 2008). However, in Nísia Floresta, sand flies live at temperatures between 32-36 °C and no significant correlation was found between population density and temperature (XIMENES et al, 2000).…”

Section: Resultssupporting

confidence: 57%

“…Possibly these insects are in search of a more humid environment. Several studies have demonstrated a clear relationship between abiotic factors (temperature, rainfall and humidity) and sand fly population density with interference in adult life cycles or a modification of breeding sites (CHANIOTIS et al, 1971;MONTEIRO et al, 2005;OLIVEIRA et al, 2008;MICHALSKY et al, 2009). The population decrease is expected after the peak rainfall due to destruction of breeding sites in flooded ground and pupa killing in the soil .…”

Section: Resultsmentioning

confidence: 99%

Sandflies (Psychodidae: Phlebotominae) survey in an urban transmission area of visceral leishmaniasis, Northeastern Brazil

Ámora

Beviláqua

Feijó

et al. 2010

Rev. Bras. Parasitol. Vet.

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Visceral leishmaniasis (VL) is a major public health challenge in Brazil, especially in states where it is endemic. The aim of this study was to investigate the relationship of sand fly population density with environmental variables (temperature, rainfall and relative humidity) in urban areas of the city of Mossoró, Rio Grande do Norte, Northeastern Brazil. Sand flies were captured with Center Disease Control (CDC) traps installed monthly in the intra and peridomicile of three houses. Data analysis was based on the chi-square test and linear regression. A total of 7,347 sand flies were captured, being 93.85% Lutzomyia longipalpis and 6.15% Lutzomyia evandroi. Sand flies were more commonly found in the peridomicile and there was no difference between the number of males and females. The variables rainy season as well as relative humidity and rainfall, alone or together, did not have an effect on sand fly population density. However, high temperatures had a negative effect. The study of the behavior of sand flies in specific units of endemic areas can provide input to public health authorities for planning appropriate VL vector control measures.

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“…In Mato Grosso do Sul, human cases of Leishmania (L.) amazonensis were reported in Bela Vista city, in the south of the Bodoquena mountain ridge; whereas cat infections were registered in Assentamento Guaicurus, on the western slope of the central portion of the mountain ridge, in the municipality of Bonito (10,11). Its main vector, Bichromomyia flaviscutellata, a phlebotomine that usually does not affect humans, was found in Campo Grande and Bonito, respectively, the south and central areas of the Bodoquena mountain ridge (12)(13)(14).…”

Section: Case Reportmentioning

confidence: 99%

Domestic feline cutaneous leishmaniasis in the municipality of Ribas do Rio Pardo, Mato Grosso do Sul state, Brazil: a case report

Souza¹,

Nunes²,

Borralho³

et al. 2009

J. Venom. Anim. Toxins incl. Trop. Dis

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Cutaneous leishmaniases are anthropozoonoses that involve many species of Leishmania and a wide variety of wild mammalian hosts, thus presenting high importance to public health. This study reports the second case of feline leishmaniasis in Mato Grosso do Sul state, in which Leishmania (Leishmania) amazonensis was found in a domestic cat from Ribas do Rio Pardo. Clinical signs were similar to those observed in other diseases commonly diagnosed in cats, such as cryptococcosis and sporotrichosis. Cutaneous leishmaniasis should, therefore, be added to differential diagnoses by feline veterinary practitioners, and also adequate investigations should be carried out to verify the relevance of domestic cats as L. amazonensis reservoirs.KEY WORDS: cutaneous leishmaniasis, Leishmania (Leishmania) amazonensis, domestic cat, Mato Grosso do Sul state.

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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

Cited by 60 publications

References 13 publications

Ecology of Lutzomyia longipalpis and Lutzomyia migonei in an endemic area for visceral leishmaniasis

Ecology of Lutzomyia longipalpis and Lutzomyia migonei in an endemic area for visceral leishmaniasis

Sandflies (Psychodidae: Phlebotominae) survey in an urban transmission area of visceral leishmaniasis, Northeastern Brazil

Domestic feline cutaneous leishmaniasis in the municipality of Ribas do Rio Pardo, Mato Grosso do Sul state, Brazil: a case report

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