Flebotominos adultos e inmaduros (Diptera: Psychodidae): registros para el Caribe Colombiano.
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Vivero Gómez, Ortega Gómez, Edgar Rafael José | 2019-10-03
Elaborating an inventory for Lutzomyia spp., without considering the immature forms of such insects, gives only a partial information about the species. Investigating immature phlebotomines represents a challenge and urgency especially in Leishmania spp. transmission areas. The objective of this study was to detect natural breeding sites, for an inventory of immature and adult phlebotomine community in the municipality of Colosó, Department of Sucre. Phlebotomine sandflies were collected between May and December of 2009, at the wild life experimental station in Colosó. Detection of immature stages was approached by direct visualization of soil and tree-substrate samples, incubation of substrate in laboratory conditions and use of emergence traps. Adult sampling was conducted by active diurnal search in resting places using bucal aspirators to collect the insects. Resting places were predominantly associated with tree trunks, such as holes in trunks and buttress roots. We collected 44 immatures of phlebotomine sandflies of which 32 belong to the following species: Lutzomyia migonei, Lu. dubitans, Lu. serrana, Lu. cayennensis cayennensis, Lu. micropyga, Lu. evansi, Lu. gorbitzi, Lu. ovallesi and Lu. shannoni. Also, up to 1231 adult individuals were collected and the most abundant species in descending order were Lu. evansi, Lu. micropyga and Lu. trinidadensis. The species Lu. migonei and Lu. gorbitzi are worth noticing given the fact that they represent new records for the Department of Sucre as well as the Caribbean Region in the country. It is necessary to include immature sampling as complementary information on phlebotomine surveys and in this way gather solid information to release proper species inventories with the remarks on potential vectors in leishmaniasis foci.
LEER