A two years study on vectors of cutaneous leishmaniasis: Evidence for sylvatic transmission cycle in the State of Campeche, Mexico

Rebollar-Téllez, Eduardo A.; Ramírez-Fraire, Alejandro; Andrade-Narvaez, Fernando J.

doi:10.1590/s0074-02761996000500004

Cited by 45 publications

(52 citation statements)

References 15 publications

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“…varied from 40% (n = 20) to 2% (n = 58) 20,38,39 and represented the first (66%, n = 419) and the fourth (13%, n = 160) positions for relative abundance, respectively (Table 5). Since sand flies prefer humid forest 42 , the maize-field habitat of S. hispidus were not targeted for study, but in an area of Belize where this hispid cotton-rat was the most abundant species (47%, n = 897) only one S. hispidus (n = 43) was found with a lesion suggestive of Leishmania on its tail 20 (Table 5). No O. melanotis were captured in La Libertad (1994-1995) because they were removed the previous year 17 and this species seemed to have low rates of multiplication and recolonization (Table 3).…”

Section: Discussionmentioning

confidence: 99%

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Comparison of small mammal prevalence of Leishmania (Leishmania) mexicana in five foci of cutaneous leishmaniasis in the State of Campeche, Mexico

Wynsberghe¹,

Canto-Lara²,

Sosa-Bibiano³

et al. 2009

Rev. Inst. Med. trop. S. Paulo

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sUMMaRyIn the Yucatan Peninsula of Mexico, 95% of the human cases of Cutaneous Leishmaniasis are caused by Leishmania (Leishmania) mexicana with an incidence rate of 5.08 per 100,000 inhabitants. Transmission is limited to the winter months (November to March). One study on wild rodents has incriminated Ototylomys phyllotis and Peromyscus yucatanicus as primary reservoirs of L. (L.) mexicana in the focus of La Libertad, Campeche. In the present study, the prevalence of both infection and disease caused by L. (L.) mexicana in small terrestrial mammals were documented during five transmission seasons (1994)(1995)(1996)(1997)(1998)(1999)(2000)(2001)(2002)(2003)(2004) in five foci of Leishmaniasis in the state of Campeche. Foci separated by only 100 km, with similar relative abundances of small mammals, were found to differ significantly in their prevalence of both symptoms and infection. Transmission rates and reservoir species seemed to change in space as well as in time which limited the implementation of effective control measures of the disease even in a small endemic area such as the south of the Yucatan Peninsula.

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Section: Discussionmentioning

confidence: 99%

“…In the southern humid forest of the Yucatan Peninsula, transmission of L. (L.) mexicana is limited to the months of November to March, when both high humidity and lower temperatures result in a high abundance of adult sand flies concurrent with the multiplication of parasites in the base of rodent tails 3,17,42,43 .…”

Section: Introductionmentioning

confidence: 99%

Comparison of small mammal prevalence of Leishmania (Leishmania) mexicana in five foci of cutaneous leishmaniasis in the State of Campeche, Mexico

Wynsberghe¹,

Canto-Lara²,

Sosa-Bibiano³

et al. 2009

Rev. Inst. Med. trop. S. Paulo

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“…En Belice se han registrado 25 especies y ocho de ellas diferentes a las presentes en Quintana Roo (Ibáñez-Bernal 2001b). Del total de las especies en la Península de Yucatán, Quintana Roo tiene el 72% y en relación con todo México, Quintana Roo tiene un 55% de las especies (Cruz-Ruiz et al 1994;Ibáñez-Bernal 1999, 2000, 2001a, 2001b, 2002, 2003Ibáñez-Bernal et al 2004;Sánchez-García et al 2010;Rebollar-Téllez et al 1996, 2004, 2005, 2006Pech-May et al 2010;Peraza 2008).…”

Section: Figuraunclassified

“…El número de especies que se obtuvo en este estudio fue representativo para el estado, observando la curva de acumulación de especies se distingue que la línea ha alcanzado la asíntota por lo que la aparición de nuevas especies podría ser mínima aun si se hubiese aumentado el número de muestreos. En trabajos previos realizados en la PY indican que las mayores abundancias se presentan durante los meses de noviembre a febrero (Rebollar-Téllez et al 1996;2005;Sánchez-García et al 2010) Al menos siete especies de flebotominos se distribuyen a lo largo del estado, dentro de ellas están las especies más abundantes, que en algunos casos fueron dominantes en una sola zona. Otras tuvieron pocos ejemplares pero se distribuyeron en todas las zonas del estado.…”

Section: En Trabajos Previos Se Habían Registrado 19 Especies De Flebunclassified

Distribución de flebotominos (Diptera: Psychodidae) en Quintana Roo, México

May-Uc

Hernández‐Arana

Rebollar-Téllez

2011

AZM

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May-Uc, E., H. A. Hernández-Arana & E. A. Rebollar-Téllez. 2011. Distribución de flebotominos(Diptera: Psychodidae) en Quintana Roo, México. Acta Zoológica Mexicana (n. s.), 27(2): 273-289. RESUMEN. Se llevó a cabo un estudio faunístico en el estado de Quintana Roo para conocer la distribución, riqueza y abundancia de los flebotominos. Se observó una gran variabilidad del promedio de especies y abundancia dentro y entre tres diferentes zonas (sur, centro y norte) en el estado. La mayor abundancia y riqueza se registró en la zona norte, en la zona centro y sur se capturaron igual número de especies, y la zona centro tuvo la menor abundancia. En cada zona fueron diferentes las especies dominantes, aunque, Lutzomyia shannoni y Lutzomyia cruciata se registraron dentro de las más dominantes distribuidas en las tres zonas. Entre las especies dominantes que se presentan en el estado se encuentran aquellas que son incriminadas como vectores de leishmaniasis en la Península de Yucatán. Los factores ambientales que se presentan en el estado son reflejados en las abundancias encontradas en las diferentes zonas de Quintana Roo. Palabras clave: Diptera, Psychodidae, Phlebotominae, Lutzomyia, Brumptomyia, distribución, Quintana Roo, leishmaniasis. 273-289. ABSTRACT. A faunistic study was carried out to gain insight into the distribution, species richness and abundance of sandflies in Quintana Roo, Mexico. There was a great intra-and interregional variability in mean species richness and abundance in Quintana Roo. The northern region appeared to have the highest species richness and abundance, followed by the central and southern regions, which exhibited an equal richness between them. Also, the central region showed the lowest sandfly abundance. Each region showed a rather distinctive dominant species composition, although two species, Lutzomyia shannoni and Lutzomyia cruciata, were among the most abundant in all three regions. In fact, some of the most abundant speciesare suspected vectors of leishmaniasis at the Yucatan Peninsula. Environmental factors ISSN 0065-1737 Acta Zoológica Mexicana (n.s.), 27(2): 273-289 (2011) Recibido: 15/12/2009 aceptado: 12/11/2010. May

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“…In the Yucatan Peninsula, LCL is a typical wild zoonosis restricted to the forests, and human is only accidentally involved (Lainson & Strangways-Dixon 1963, 1964, Chablé-Santos et al 1995, Rebollar et al 1996a. The population at risk are men between 14 and 45 years of age who overnight in the forest (Andrade-Narváez et al 1990).…”

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confidence: 99%

Seasonal transmission of Leishmania (Leishmania) mexicana in the state of Campeche, Yucatan Peninsula, Mexico

Andrade-Narvaez

Lara

Wynsberghe

et al. 2003

Mem. Inst. Oswaldo Cruz

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A two years study on vectors of cutaneous leishmaniasis: Evidence for sylvatic transmission cycle in the State of Campeche, Mexico

Cited by 45 publications

References 15 publications

Comparison of small mammal prevalence of Leishmania (Leishmania) mexicana in five foci of cutaneous leishmaniasis in the State of Campeche, Mexico

Comparison of small mammal prevalence of Leishmania (Leishmania) mexicana in five foci of cutaneous leishmaniasis in the State of Campeche, Mexico

Distribución de flebotominos (Diptera: Psychodidae) en Quintana Roo, México

Seasonal transmission of Leishmania (Leishmania) mexicana in the state of Campeche, Yucatan Peninsula, Mexico

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