Identificación molecular mediante código de barras de DNA de moscas Lucilia (Diptera: Calliphoridae) recolectadas en Costa Rica

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La identificación del género Lucilia es importante cuando se recolectan adultos o larvas en casos forenses porque el intervalo post-mortem puede ser estimado. En este trabajo se analizó morfológica y molecularmente un panel de especímenes de Lucilia (n = 42) recolectados en Costa Rica, de los cuales el 21% de las muestras corresponden a moscas criadas a partir de larvas tomadas de cadáveres humanos. Morfológicamente, los ejemplares fueron identificados como Lucilia cuprina [1] (33,3% de los ejemplares), Lucilia eximia [1] (33,3%), Lucilia purpurascens [2] (21,4%) o miembros del complejo Lucilia (11,9%). La identificación molecular, con las regiones de la citocromo oxidasa I (COI) o de la subunidad ribosomal 28S, sólo fue posible para el 43% de las muestras. La mayoría de las secuencias obtenidas con COI fueron concordantes con los análisis morfológicos, pero la región 28S carecía de suficiente resolución para identificar muestras al nivel de especies, excepto para L. cuprina. Juntos, los datos genéticos y morfológicos indican que L. cuprina y L. eximia fueron las especies más comúnmente encontradas; las moscas criadas a partir de larvas tomadas de cadáveres humanos correspondieron sólo a estas especies. Hasta donde sabemos, este trabajo es el primero en Costa Rica y en la región centroamericana en describir la entomofauna cadavérica del género Lucilia, lo cual es valioso para el desarrollo de potenciales aplicaciones forenses.

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Identificación molecular mediante código de barras de DNA de moscas Lucilia (Diptera: Calliphoridae) recolectadas en Costa Rica. (2020). Revista Tecnología En Marcha, 33(1), Pág. 99–110. https://doi.org/10.18845/tm.v33i1.5025
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