Sand Fly Vectors of American Cutaneous Leishmaniasis in Brazil

Rangel, Elizabeth Ferreira; Lainson, Ralph; Carvalho, Bruno Moreira de; Costa, Salvatore; Shaw, Jeffrey Jon

doi:10.1007/978-3-319-75544-1_7

Cited by 41 publications

(43 citation statements)

References 179 publications

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“…Of the 280 sandfly species found in Brazil, 13 species are the proven vectors of leishmaniasis 3 and 11 species, including Bichromomyia flaviscutellata (Mangabeira), Bichromomyia olmeca nociva (Young & Arias), Migonemyia migonei (França), Nyssomyia anduzei (Rozeboom), Nyssomyia antunesi (Coutinho), Nyssomyia umbratilis (Ward & Fraiha), Nyssomyia whitmani (Antunes & Coutinho), Psychodopygus complexus (Mangabeira), Psychodopygus davisi (Root), Psychodopygus wellcomei (Fraiha, Shaw & Lainson), and Trichophoromyia ubiquitalis (Mangabeira), might be involved in the transmission of Leishmania that cause CL. 3 …”

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“…Brazil is also home to a range of putative vectors such as Nyssomyia intermedia , Nyssomyia neivai , 3 Nyssomyia shawi , 4 Psychodopygus carrerai , Psychodopygus hirsutus hirsutus 5 - 7 and Trichophoromyia auraensis (Mangabeira). Leishmania ( Leishmania ) infantum Nicolle is the causative agent of VL, and its primary vector is Lutzomyia longipalpis (Lutz & Neiva), which is distributed throughout Brazil.…”

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Diversity, natural infection and blood meal sources of phlebotomine sandflies (Diptera, Psychodidae) in the western Brazilian Amazon

Júnior

Souza

Castro

et al. 2019

Mem. Inst. Oswaldo Cruz

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BACKGROUND The state of Rondônia (RO) is a hot spot for human cases of cutaneous leishmaniasis. Many sandfly species in RO are putative vectors of leishmaniasis. OBJECTIVES This study examines the diversity patterns and the presence of Leishmania DNA and blood meal sources of sandflies in RO. METHODS A sandfly survey was performed between 2016 and 2018 in 10 municipalities categorised into three different environment types: (i) Conservation Unit (CUN)-comprised of preserved ombrophilous forests; (ii) Forest Edge (FE)-small forest fragments; and (iii) Peridomicile (PE)-areas around dwellings. FINDINGS A total of 73 species were identified from 9,535 sandflies. The most abundant species were Psychodopygus davisi (1,741 individuals), Nyssomyia antunesi (1,397), Trichophoromyia auraensis (1,295) and Trichophoromyia ubiquitalis (1,043). Diversity was the highest in CUN, followed by the FE and PE environments. One pool of Ps. davisi tested positive for Leishmania braziliensis, reinforcing the possibility that Ps. davisi acts as a vector. The cytochrome b (cytb) sequences were used to identify three blood meal sources: Bos taurus, Homo sapiens and Tamandua tetradactyla. MAIN CONCLUSIONS Our results demonstrated that sandflies can switch between blood meal sources in differing environments. This study enhances the knowledge of the vector life cycle in RO and provides information relevant to leishmaniasis surveillance.

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Diversity, natural infection and blood meal sources of phlebotomine sandflies (Diptera, Psychodidae) in the western Brazilian Amazon

Júnior

Souza

Castro

et al. 2019

Mem. Inst. Oswaldo Cruz

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“…Seven species of Leishmania are recognized as etiological agents for TL in the Brazilian territory; the main three are L. (Leishmania) amazonensis, L. (Viannia) guyanensis and L. (V.) braziliensis, which was the third species described and considered as the most prevalent, with wide distribution throughout the country (BRASIL, 2017b;RANGEL et al, 2018). The disease is observed in all Brazilian states, characterized by several transmission patterns, with 21,026…”

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Epidemiological aspects of Leishmaniasis in the Pantanal region of Mato Grosso

Brito

Dias

Sousa

2019

Rev. Bras. Parasitol. Vet.

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Leishmaniasis is a disease caused by the protozoan Leishmania parasite that is disseminated by some species of sandflies and hosted by a variety of reservoirs. The objective of the present study was to evaluate the epidemiological situation of leishmaniasis in the municipalities of the Mato Grosso Pantanal. Human data were obtained from the Information System of Notifiable Diseases, and the canine and vector results from the State Department of Health of Mato Grosso. Between 2007 and 2016, 10 cases of visceral leishmaniasis and 499 cases of tegumentary leishmaniasis were identified in the Pantanal region. The surveillance studies regarding the canine reservoir demonstrated that the parasite was present in six of the seven municipalities. Vectors of visceral leishmaniasis were present in five municipalities and vectors of tegumentary leishmaniasis in six. Enhancement of services aimed at controlling this disease is fundamental to prevent an increase in the number of cases in the region.

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“…In Brazil, approximately 280 species have been recorded (Galati, 2018) and 13 of these species are proven vectors of Leishmania spp. (Rangel et al, 2018). Prior to this study, 131 species had been recorded in Rondônia State (Galati, 2018).…”

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confidence: 99%