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Acta Biológica Colombiana

versión impresa ISSN 0120-548X

Resumen

AYALA HOYOS, Carolina Julieth et al. Detection of Natural Infection with Trypanosoma cruzi (Trypanosomatidae) in Triatomines From the Municipality of Colosó, Colombia. Acta biol.Colomb. [online]. 2019, vol.24, n.1, pp.180-184. ISSN 0120-548X.  http://dx.doi.org/10.15446/abc.v24n1.72306.

The report of triatomines infected with Trypanosoma cruzi in a wild area of the municipality of Colosó, made it necessary to determine the species of vectors near the houses in the village Jorro, because it is the closest rural settlement to this finding. The presence of triatomine species with epidemiological importance was reported by first time, with a high percentage of infection with the parasite, in addition to expanding the distribution of these vectors in the department of Sucre. The researchers captured insects in 13 dwellings through active search, community surveillance and light traps, and demonstrated the natural infection by direct observation under the microscope and PCR amplification DNA from T. cruzi present in the intestinal content of the triatomines. Were captured 40 specimens belonging to the species Panstrongylus geniculatus, Rhodnius pallescens, Eratyrus cuspidatus and Triatoma dimidiata. The majority of the specimens were collected in the extradomicile, with a lower percentage of adult insects found in domestic environments. The natural infection rate in the insects was 85 %.

Palabras clave : Colosó; Chagas disease; infection; triatomines; Trypanosoma cruzi; vectors.

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