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  • P-ISSN2765-2203
  • E-ISSN2765-2211

The Influence of Skinning a Carcass on Insect Succession and Decomposition

The Influence of Skinning a Carcass on Insect Succession and Decomposition

국립생태원보, (P)2765-2203; (E)2765-2211
2022, v.3 no.4, pp.204-211
https://doi.org/10.22920/PNIE.2022.3.4.204
YoonJoo-Hyuk(Joo-Hyuk Yoon) (Natural History Division, National Science Museum Korea)
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초록

Forensic entomology is a field of study that includes the succession of insects attracted to and found on cadavers. One of its main focusses is estimating post-mortem interval (PMI) based on the growth stage of insects found in and around human cadavers. In many countries, the diversity of insect occurrence is studied in relation to the environmental conditions a cadaver may be exposed to or the effects of different clothes. In this study, changes in the decomposition process and differences in insect succession were investigated by comparing skinned and intact water deer carcasses. Five orders, 15 families, and 21 species of insects were identified, most of which were Dipteran and Coleopteran. The skinned carcass decomposed more rapidly than the intact carcass, which was linked to differences in insect succession. The difference in the decomposition rate and insect succession according to the external conditions of the carcass can be used as basic data for estimating the PMI of the carcass and setting the forensic entomological indicator species.

keywords
Carcass Decomposition Forensic entomology Necrophagous insect

Abstract

Forensic entomology is a field of study that includes the succession of insects attracted to and found on cadavers. One of its main focusses is estimating post-mortem interval (PMI) based on the growth stage of insects found in and around human cadavers. In many countries, the diversity of insect occurrence is studied in relation to the environmental conditions a cadaver may be exposed to or the effects of different clothes. In this study, changes in the decomposition process and differences in insect succession were investigated by comparing skinned and intact water deer carcasses. Five orders, 15 families, and 21 species of insects were identified, most of which were Dipteran and Coleopteran. The skinned carcass decomposed more rapidly than the intact carcass, which was linked to differences in insect succession. The difference in the decomposition rate and insect succession according to the external conditions of the carcass can be used as basic data for estimating the PMI of the carcass and setting the forensic entomological indicator species.

keywords
Carcass Decomposition Forensic entomology Necrophagous insect
투고일Submission Date
2022-09-08
수정일Revised Date
2022-09-30
게재확정일Accepted Date
2022-10-03

국립생태원보