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Scanning electron microscopy of third-instar sarcophagid (Diptera: Sarcophagidae) recovered from a mummified human corpse in Thailand Microscopia eletrônica de varredura de sarcofagídeo de terceira fase (Diptera: Sarcophagidae) recuperado de corpo humano mumificado na Tailândia

By Kom Sukontason, Kabkaew L. Sukontason and Somsak Piangjai

Abstract

The third-instar of an unidentified sarcophagid, recovered from a mummified body of a 32-yr-old Thai male was examined using scanning electron microscopy (SEM). Although the morphological features of this larva are similar to the other sarcophagid larvae, some features could be helpful for species identification, which is a basic requirement for estimation of postmortem interval in forensic investigation. These features included number and arrangement of papillae on the anterior spiracle, structure of spines, size of circumspiracular tubercles at caudal segment and branching peculiarity of the posterior spiracular hairs. This information could benefit future identification of the sarcophagid larvae that exist in Thailand.<br>A terceira fase de um sarcofagídeo não identificado recuperado de corpo mumificado de Tailandês masculino de 32 anos foi examinado usando microscopia eletrônica de varredura (SEM). Embora as características morfológicas desta larva sejam similares a outras larvas sarcofagídeas, algumas características poderiam ser úteis para a identificação da espécie que é requisito básico para a estimativa do intervalo pós-mortal da investigação forense. Estas características incluiram o número e o arranjo das papilas no espiráculo anterior, estrutura das espículas, tamanho dos tubérculos circunespiraculares do segmento caudal e peculiaridade de ramificação dos pelos espiraculares posteriores. Esta informação poderia beneficiar as futuras identificações das larvas sarcofagídeas que existem na Tailândia

Topics: Forensic entomology, Scanning electron microscopy, Sarcophagid, Third-instar larva, LCC:Medicine (General), LCC:R5-920, LCC:Medicine, LCC:R, DOAJ:Medicine (General), DOAJ:Health Sciences
Publisher: Instituto de Medicina Tropical
Year: 2003
DOI identifier: 10.1590/S0036-46652003000200008
OAI identifier: oai:doaj.org/article:f351774415dc4217bde64760009ce904
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