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Parasitología latinoamericana

versión On-line ISSN 0717-7712


CALDERON-ARGUEDAS, OLGER et al. LARVAL QUANTIFICATION OF Synthesiomyia nudiseta (DIPTERA: MUSCIDAE) AS A CRITERION IN ANALISIS OF THE POST-MORTEM INTERVAL IN AN EXPERIMENTAL MODEL . Parasitol. latinoam. [online]. 2005, vol.60, n.3-4, pp.138-143. ISSN 0717-7712.

The number of larvae of Synthesiomyia nudiseta (Diptera: Muscidae) found in corpses was evaluated as a criterion for the estimation of the post-mortem interval (PMI) in a model with rabbit carcasses. New Zaeland rabbits (3,8 kg) were euthanasied during April, July and October of 2002, and January of 2003, three animals per cycle of observation. The corpses were exposed in a forested environment and samples of muscoid larvae were collected three times a week from each corpse during 80 days. Larvae of S. nudiseta were identified and counted during the observation period. The presence of S. nudiseta maggots was evident in all the observation cycles. Although the number of collected larvae was greater during the first days of their appearance on the body, there was great variability between each carcass. Although observation of the carcasses began on the second day post-exposition (DPE), in most of cycles, the collection of S. nudiseta larvae began between the 7th and 11th DPE and ended at aproximately the 30th DPE. Cycle I (April-June) was an exception, where the recollection of S. nudiseta started later (18th DPE) and lasted until the end of the period. These observations suggest that S. nudiseta is an important species in the colonization of corpses in the Neotropical Region. Although the great variability in number of larvae collected makes the quantitative interpretation unpractical, the finding of this species at a certain time in forensic investigations may support the estimation of the IPM determined by other criteria

Palabras clave : Synthesiomyia nudiseta; Muscidae; Cyclorrhapha; forensic entomology; mortem interval.

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