Occurrence and Probability Maps of Lutzomyia longipalpis and Lutzomyia cruzi (Diptera: Psychodidae: Phlebotominae) in Brazil

Andrade-Filho, José Dilermando; Scholte, Ronaldo Guilherme Carvalho; Amaral, Alberto; Shimabukuro, Paloma Helena Fernandes; Carvalho, Omar S.; Caldeira, R. L.

doi:10.1093/jme/tjx094

Cited by 32 publications

(35 citation statements)

References 29 publications

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“…The predicted area of occurrence of L . cruzi cannot be determined in Andrade-Filho et al [ 19 ], but the general distribution of the species records used in the models is similar. Neither of the two studies give information on the spatial precision of the presence records.…”

Section: Discussionmentioning

confidence: 99%

“…longipalpis and/or L . cruzi [ 19 ]. A particular region, predicted as favorable to the vector, deserves to be highlighted due to the presence of autochthonous VL cases [ 70 ] and absence of L .…”

Section: Discussionmentioning

confidence: 99%

“…amazonensis [ 25 ]. Lutzomyia cruzi can also act as an alternative vector in the location where both sand flies occur in sympatry [ 19 ]. In Brazil, the geographical distribution of L .…”

Section: Introductionmentioning

confidence: 99%

“…Even though L . cruzi has medical and epidemiological relevance, until now there are few published reports focused on the ecology and effects of environmental variables on the distribution and abundance of this sand fly [ 19 , 21 , 27 , 28 , 33 , 34 ]. A recent study applied ecological niche models to predict the distributions of L .…”

Section: Introductionmentioning

confidence: 99%

“…longipalpis and L . cruzi in Brazil, but models were based on both species together, thus making it impossible to evaluate their distributions separately [ 19 ]. A further assessment of the potential distribution of L .…”

Section: Introductionmentioning

confidence: 99%

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Ecological niche modelling and predicted geographic distribution of Lutzomyia cruzi, vector of Leishmania infantum in South America

et al. 2018

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In some transmission foci of Leishmania infantum in Brazil, Lutzomyia cruzi could be considered the main vector of this pathogen. In addition, L. cruzi is a permissive vector of L. amazonensis. Its geographical distribution seems to be restricted and limited to Cerrado and Pantanal biomes, which includes some areas in Brazil and Bolivia. Considering that predicting the distribution of the species involved in transmission cycles is an effective approach for assessing human disease risk, this study aims to predict the spatial distribution of L. cruzi using a multiscale ecological niche model based in both climate and habitat variables. Ecological niche modelling was used to identify areas in South America that are environmentally suitable for this particular vector species, but its presence is not recorded. Vector occurrence records were compiled from the literature, museum collections and Brazilian Health Departments. Bioclimatic variables, altitude, and land use and cover were used as predictors in five ecological niche model algorithms: BIOCLIM, generalised linear model (logistic regression), maximum entropy, random forests, and support vector machines. The vector occurs in areas where annual mean temperature values range from 21.76°C to 26.58°C, and annual total precipitation varies from 1005 mm and 2048 mm. Urban areas were most present around capture locations. The potential distribution area of L. cruzi according to the final ecological niche model spans Brazil and Bolivia in patches of suitable habitats inside a larger climatically favourable area. The bigger portion of this suitable area is located at Brazilian States of Mato Grosso do Sul and Mato Grosso. Our findings identified environmentally suitable areas for L. cruzi in regions without its known occurrence, so further field sampling of sand flies is recommended, especially in southern Goiás State, Mato Grosso do Sul (borders with Mato Grosso, São Paulo and Minas Gerais); and in Bolivian departments Santa Cruz and El Beni.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

“…amazonensis [ 25 ]. Lutzomyia cruzi can also act as an alternative vector in the location where both sand flies occur in sympatry [ 19 ]. In Brazil, the geographical distribution of L .…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Ecological niche modelling and predicted geographic distribution of Lutzomyia cruzi, vector of Leishmania infantum in South America

et al. 2018

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Ecological niche models for sand fly species and predicted distribution of Lutzomyia longipalpis (Diptera: Psychodidae) and visceral leishmaniasis in Bahia state, Brazil

Rodgers

Bavia

Fonseca³

et al. 2019

Environ Monit Assess

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Lutzomyia longipalpis, Gone with the Wind and Other Variables

Salomón

2020

Neotrop Entomol

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Lutzomyia longipalpis (Lutz & Neiva) is the main vector of Leishmania infantum (Nicolle) in America, associated in turn with the current spread and urbanization of American visceral leishmaniasis (AVL). The vector distribution in AVL foci shows a spatial-temporal clustering despite the different epidemiological contexts. The factors associated with the macroscale distribution of Lu. longipalpis as a landscape stratification are discussed in the framework of the process of their adaptation to anthropized environments. On the other hand, the fact that Lu. longipalpis is clustered in only a few hot spots or critical sites suggests that microscale approaches that describe the trap surrounding environment and the availability of refuges and food sources are better at explaining the uneven distribution of this vector, and should contribute, together with macroscale variables, to design operational control strategies. With regard to temporal distribution and climatic or vegetation data obtained by remote sensing as variables to explain and forecast the abundance of Lu. longipalpis, it is necessary to take into account the time lags in relation to the life cycle of the vector, the difference between the level of daily activity and actual abundance, and the differences in critical variables and thresholds according to the region or season. In conclusion, this review shows that it is feasible to characterize the distribution of Lu. longipalpis at focus level and within it to identify the main critical sites, proposing a sequential cost-effectivity strategy for urban AVL surveillance and control.

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Occurrence and Probability Maps of Lutzomyia longipalpis and Lutzomyia cruzi (Diptera: Psychodidae: Phlebotominae) in Brazil

Cited by 32 publications

References 29 publications

Ecological niche modelling and predicted geographic distribution of Lutzomyia cruzi, vector of Leishmania infantum in South America

Ecological niche modelling and predicted geographic distribution of Lutzomyia cruzi, vector of Leishmania infantum in South America

Ecological niche models for sand fly species and predicted distribution of Lutzomyia longipalpis (Diptera: Psychodidae) and visceral leishmaniasis in Bahia state, Brazil

Lutzomyia longipalpis, Gone with the Wind and Other Variables

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