What does this research mean for the field?

Nyssomyia neivai is the predominant sand fly species in the Cerrado-Atlantic Forest transition area of Mato Grosso do Sul, Brazil, and carries Leishmania spp. DNA at a natural infection rate of 0.1%, with vector abundance significantly influenced by precipitation and relative humidity. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

This study aims to identify sand fly species and detect Leishmania DNA in a rural area of Brazil.

August 2, 2026Neotropical EntomologyOpen Access

Leishmania spp. DNA in Sand Flies in a Transition Area of the Cerrado and Atlantic Forest biomes, Mato Grosso do Sul, Brazil

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Authors

ISIara Beatriz Andrade de SousaUniversidade Federal da Grande Dourados MAMarco Aurélio Louveira ArecoUniversidade Federal da Grande Dourados GNGabrielle Lopes NoiaUniversidade Federal da Grande Dourados

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Implication

Entomological study finds Leishmania DNA in sand flies, indicating potential disease spread in Brazil.

Key Points

This study aims to identify sand fly species and detect Leishmania DNA in a rural area of Brazil.
Conducted from March 2019 to February 2020 using modified Falcão light traps.
Collected and identified sand flies, separating by sex and pooling into groups.
Analyzed females for Leishmania DNA using polymerase chain reaction (PCR).
Collected 42,933 insects, with 77.6% identified as female.
Identified 4,993 insects, predominantly Nyssomyia neivai at 96.9%.
Four pools tested positive for Leishmania spp., indicating a natural infection rate of 0.1%.

Cite This Study

Sousa et al. (2026) studied this question.

synapsesocial.com/papers/6a6eeb2c1b0468a7eeab4309 https://doi.org/10.1007/s13744-026-01424-4

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Leishmania spp. DNA in Sand Flies in a Transition Area of the Cerrado and Atlantic Forest biomes, Mato Grosso do Sul, Brazil

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Key Points

Cite This Study

Leishmania spp. DNA in Sand Flies in a Transition Area of the Cerrado and Atlantic Forest biomes, Mato Grosso do Sul, Brazil

Discussion

Member takes

Implication

Key Points

Cite This Study

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