Post-mortem interval determinations using insects collected from illegally hunted and dehorned rhinoceros in the Republic of South Africa from 2014 to 2021.

IF 1.6 3区 农林科学 Q2 ENTOMOLOGY
Melanie Pienaar, Ian R Dadour
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引用次数: 0

Abstract

Wildlife forensic science is a growing research field globally with application in criminal cases of illegal hunting requiring an estimate of time of death based on insect fauna. The techniques and procedures of forensic entomology acquired over the last 40 years, used in legal cases relating to human remains, can be adapted to decomposing wildlife. Research on carrion utilising the rate of development of insect immatures provides a biological clock from which a minimum post-mortem interval (minPMI) can be derived. The following study concerns 19 rhinoceros that were illegally killed and dehorned in the Republic of South Africa between 2014 and 2021. The paper details 74 samples of insect evidence collected from these rhinoceros remains from which an accurate estimate of their PMI was calculated. The specimens comprised 18 species from 12 families belonging to three insect orders. Many Dipteran and Coleopteran species were found on and around each carcass. The species of fly larvae (family Calliphoridae) used in each case to estimate the PMI are as follows: Chrysomya marginalis (Wiedemann) (13 cases), Chrysomya chloropyga (Wiedemann) (2 cases), Chrysomya albiceps (Wiedemann) (1 case) and Chrysomya megacephala (Fabricius) (1 case). Two species of Coleoptera from the family Dermestidae and Silphidae involved Dermestes maculatus (DeGeer) and Thanatophilus micans (Fabricius), respectively, also were involved in one PMI estimation each. The paper highlights opportunities for improving our global understanding of gaps in procedures and training related to wildlife criminal cases.

使用从 2014 年至 2021 年南非共和国非法猎杀和去角犀牛身上采集的昆虫进行死后间隔测定。
野生动物法医学是全球不断发展的研究领域,在非法狩猎刑事案件中的应用需要根据昆虫动物群估计死亡时间。法医昆虫学在过去 40 年里获得的技术和程序用于与人类遗骸有关的法律案件,这些技术和程序也可适用于腐烂的野生动物。利用昆虫幼虫的发育速度对腐肉进行的研究提供了一个生物钟,可以从中得出死后最小间隔时间(minPMI)。以下研究涉及 2014 年至 2021 年期间在南非共和国被非法杀害和去角的 19 头犀牛。论文详细介绍了从这些犀牛遗骸中收集到的 74 份昆虫证据样本,并据此计算出其 PMI 的精确估算值。这些标本包括三个昆虫纲 12 个科 18 个种。在每具犀牛尸体及其周围都发现了许多双翅目和鞘翅目昆虫。用于估算 PMI 的苍蝇幼虫(角蝇科)的种类如下:Chrysomya marginalis (Wiedemann) (13 例)、Chrysomya chloropyga (Wiedemann) (2 例)、Chrysomya albiceps (Wiedemann) (1 例) 和 Chrysomya megacephala (Fabricius) (1 例)。Dermestes maculatus (DeGeer) 和 Thanatophilus micans (Fabricius) 两种鞘翅目昆虫也分别参与了一次 PMI 估算。本文强调了在全球范围内提高我们对野生动物刑事案件相关程序和培训差距的认识的机会。
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来源期刊
Medical and Veterinary Entomology
Medical and Veterinary Entomology 农林科学-昆虫学
CiteScore
3.70
自引率
5.30%
发文量
65
审稿时长
12-24 weeks
期刊介绍: Medical and Veterinary Entomology is the leading periodical in its field. The Journal covers the biology and control of insects, ticks, mites and other arthropods of medical and veterinary importance. The main strengths of the Journal lie in the fields of: -epidemiology and transmission of vector-borne pathogens changes in vector distribution that have impact on the pathogen transmission- arthropod behaviour and ecology- novel, field evaluated, approaches to biological and chemical control methods- host arthropod interactions. Please note that we do not consider submissions in forensic entomology.
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