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Source: Journal of Forensic Sciences

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Total 27 results found since Jan 2013.

Carrion flies (Insecta: Diptera) found on human cadavers in Chiba prefecture, Honshu, Japan, with the first record of Fannia prisca from a human corpse
In conclusion, this is the first report to reveal the presence of carrion flies in human death cases in Chiba Prefecture, Japan. Research in FE is important in the context of the Japanese natural and social environment since this can aid forensic investigations conducted by authorities.PMID:36059106 | DOI:10.1111/1556-4029.15128
Source: Journal of Forensic Sciences - September 5, 2022 Category: Forensic Medicine Authors: Shumari Urabe Hiromu Kurahashi Go Inokuchi Fumiko Chiba Ayumi Motomura Yumi Hoshioka Suguru Torimitsu Rutsuko Yamaguchi Shigeki Tsuneya Hirotaro Iwase Source Type: research

Comparison of DNA extraction techniques for the recovery of bovine DNA from fly larvae crops
J Forensic Sci. 2022 Feb 18. doi: 10.1111/1556-4029.15010. Online ahead of print.ABSTRACTForensic entomology aids investigations using insects and is primarily associated with the estimation of post-mortem interval (PMI). Studies have shown that human DNA can be recovered from the crops of fly larvae. While several factors regarding the recovery of human DNA from crops have been studied, DNA extraction methods have not been thoroughly assessed. Determining a method for optimal extraction could aid crime laboratories in implementing DNA extraction from larvae and streamlining future research. Bovine DNA was used as a substi...
Source: Journal of Forensic Sciences - February 18, 2022 Category: Forensic Medicine Authors: Cesar Cantu Sibyl Bucheli Rachel Houston Source Type: research

Infrared spectroscopy and forensic entomology: Can this union work? A literature review
J Forensic Sci. 2021 Jul 22. doi: 10.1111/1556-4029.14800. Online ahead of print.ABSTRACTFor more than two decades, infrared spectroscopy techniques combined with multivariate analysis have been efficiently applied in several entomological fields, such as Taxonomy and Toxicology. However, little is known about its use and applicability in Forensic entomology (FE) field, with vibrational techniques such as Near-infrared spectroscopy (NIRS) and Medium-infrared spectroscopy (MIRS) underutilized in forensic sciences. Thus, this work describes the potential of NIRS, MIRS, and other spectroscopic methodologies, for entomological...
Source: Journal of Forensic Sciences - July 22, 2021 Category: Forensic Medicine Authors: Jessica T Jales Taciano M Barbosa Juc élia R de Medeiros Leomir A S de Lima K ássio M G de Lima Renata A Gama Source Type: research

First report of the forensically important fly, Stearibia nigriceps (Diptera: Piophilidae) in South Korea: Confirmation of specimens from human corpses based on cytochrome c oxidase subunit I barcodes
J Forensic Sci. 2021 Apr 26. doi: 10.1111/1556-4029.14721. Online ahead of print.ABSTRACTPiophilidae are a relatively small family of Diptera that is frequently associated with cadavers at advanced stages of decomposition and are, therefore, considered potentially useful forensic indicators. However, their use in forensic investigations is typically hampered by a deficiency in reliable identification tools. This is particularly evident in countries such as South Korea, where forensic entomology is still in its infancy and the diversity of forensically relevant insect taxa remains largely undocumented. In the present study,...
Source: Journal of Forensic Sciences - April 26, 2021 Category: Forensic Medicine Authors: Hajin Kim Daniel Mart ín-Vega Sang Eon Shin Ah Rha Wang Seong Hwan Park Source Type: research

A Preliminary Forensic Entomological Study of Beetles (Coleoptera) in Interior Alaska, USA.
Abstract Forensic entomology uses knowledge of arthropod ecology to help solve crimes. There has been no published forensic entomological research in Alaska. We used one piglet carcass split in half to create two carcass plots in Fairbanks (~64.8°N, subarctic) that were sampled over a period of 59 days in 2019. Four pitfall traps were placed around each carcass, and four similarly arranged pitfall traps were placed 40 m distant as controls. Traps were emptied approximately weekly covering the first four stages of decomposition. We focused on adults of the larger-bodied (>9 mm) families and subfamilies of Co...
Source: Journal of Forensic Sciences - August 2, 2020 Category: Forensic Medicine Authors: Sampson A, Sikes DS Tags: J Forensic Sci Source Type: research

An Evaluation of Differentially Spliced Genes as Markers of Sex for Forensic Entomology*, †, ‡.
Abstract Blow flies (Calliphoridae) are important medically and economically and are commonly used in forensics as temporal markers in death investigations. While phenotypic traits in adult flies can be sexually dimorphic, sex identification in immatures is difficult. Consequently, little is known about how sex may result in developmental disparities among sexes even though there are indications that they may be important in some instances. Since genetic mechanisms for sex are well studied in model flies and species of agricultural and medical importance, we exploit the sex-specifically spliced genes transformer (...
Source: Journal of Forensic Sciences - June 4, 2020 Category: Forensic Medicine Authors: Jonika MM, Hjelmen CE, Faris AM, McGuane AS, Tarone AM Tags: J Forensic Sci Source Type: research

Differential Ability of Necrophagous Diptera to Colonize Concealed Resources: Empirical Evidence From a Field Experiment in Brazil.
Abstract Field studies in forensic entomology seem to assume that a cadaver is a resource equally accessible to flies, irrespective of the species' size, behavior, and sensorial capacity. We aimed to challenge this assumption by experimentally manipulating baited traps in order to test whether the accessibility to decomposing baits is related to the following: (i) the diversity of necrophagous dipterans; (ii) the body size of adults; and (iii) the female sexual maturity stage. The experiment was performed in a rainforest fragment in Northeastern Brazil, in an area characterized by high levels of homicides. Traps b...
Source: Journal of Forensic Sciences - April 20, 2020 Category: Forensic Medicine Authors: Barbosa TM, Jales JT, Vasconcelos SD, Gama RA Tags: J Forensic Sci Source Type: research

Hydrocarbon and Fatty Acid Composition from Blowfly Eggs Represents a Potential Complementary Taxonomic Tool of Forensic Importance.
Abstract One of the most important contributions of forensic entomology is to assist criminal expertise to determine the postmortem interval, which depends on the duration of the immature stages of insects of forensic interest. On the other hand, the time of development of the different stages varies according to the species; therefore, its identification is essential. Currently, few studies have investigated the use of cuticular hydrocarbons, and none regarding fatty acids, as complementary taxonomic tools to expedite species identification. Therefore, we evaluated whether cuticular hydrocarbons together with fat...
Source: Journal of Forensic Sciences - October 31, 2019 Category: Forensic Medicine Authors: Lunas BM, de Paula MC, Michelutti KB, Lima-Junior SE, Antonialli-Junior WF, Cardoso CAL Tags: J Forensic Sci Source Type: research

Molecular Identification of Necrophagous Dermestes Species in South Korea Using Cytochrome c Oxidase Subunit I Nucleotide Sequences (Genus Dermestes).
Abstract Species identification of necrophagous insects found on a dead body is an essential key in applying medicolegal entomology to the estimation of postmortem interval (PMI). Due to limited morphological identification of insect evidence, several studies have identified species using molecular information such as DNA markers. While considerable cytochrome c oxidase subunit I (COI) gene sequence data of necrophagous fly species have been collected and annotated, those of necrophagous beetle species have not. Since necrophagous beetles such as Dermestes species have a larval period longer than that of flies, be...
Source: Journal of Forensic Sciences - August 21, 2019 Category: Forensic Medicine Authors: Jang H, Shin SE, Youm KJ, Karagozlu MZ, Kim CB, Ko KS, Park SH Tags: J Forensic Sci Source Type: research

Commentary on: Chimeno C, Morini ère J, Podhorna J, Hardulak, L, Hausmann A, Reckel F, et al. DNA barcoding in forensic entomology-establishing a DNA reference library of potentially forensic relevant arthropod species. J Forensic Sci 2019;64(2):593-601.
Commentary on: Chimeno C, Morinière J, Podhorna J, Hardulak, L, Hausmann A, Reckel F, et al. DNA barcoding in forensic entomology-establishing a DNA reference library of potentially forensic relevant arthropod species. J Forensic Sci 2019;64(2):593-601. J Forensic Sci. 2019 May 31;: Authors: Kotrba M PMID: 31150116 [PubMed - as supplied by publisher]
Source: Journal of Forensic Sciences - May 30, 2019 Category: Forensic Medicine Authors: Kotrba M Tags: J Forensic Sci Source Type: research

A Forensic Entomological Analysis Can Yield an Estimate of Postmortem Interval, and Not Just a Minimum Postmortem Interval: An Explanation and Illustration Using a Case.
This report reviews the scientific issues and presents a recent homicide investigation in which several forensic entomology experts used the absence of carrion insects on the corpse, a kind of succession analysis, to estimate PMI or PMImax . PMID: 30248175 [PubMed - as supplied by publisher]
Source: Journal of Forensic Sciences - September 24, 2018 Category: Forensic Medicine Authors: Wells JD Tags: J Forensic Sci Source Type: research