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Source: Forensic Science International
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Total 39 results found since Jan 2013.
DNA barcoding allows identification of European Fanniidae (Diptera) of forensic interest
Various arthropods have a close association with animal and human bodies. The aim of forensic entomology is to study the association of insects with cadavers and their biology for subsequent application in forensic practice [1]. Particularly, the use of entomological evidence allows for an accurate estimation of the post-mortem interval (PMI), which often coincides with the period of insect activity [2]. Thus, accurate species identification is a prerequisite for any further analysis of the collected material [2,3].
Source: Forensic Science International - June 29, 2017 Category: Forensic Medicine Authors: Andrzej Grzywacz, Dominika Wyborska, Marcin Piwczy ński Source Type: research
Evaluation of bait traps as a means to predict initial blow fly (Diptera: Calliphoridae) communities associated with decomposing swine remains in New Jersey, USA
Recently, the field of forensic entomology has grown due to its importance in legal investigations. Typically, insect development in association with temperature can be used to determine a time of colonization (TOC) of human remains, which can then be used to infer a time since death [10]. Insects can also be used to provide information pertaining to body movement based on the geographical distribution of the insects collected from the remains [12] and can aid in cases of abuse or neglect in animals, including humans [7].
Source: Forensic Science International - June 19, 2017 Category: Forensic Medicine Authors: Lauren M. Weidner, M. Denise Gemmellaro, Jeffery K. Tomberlin, George C. Hamilton Source Type: research
Chronobiological studies on body search, oviposition and emergence of Megaselia scalaris (Diptera, Phoridae) in controlled conditions
Circadian clocks have evolved to synchronize physiology, metabolism and behaviour to the 24-h geophysical cycles of the Earth [1]. Though the chronobiology of diverse organisms from bacteria to humans has been studied, the preeminent circadian model both in the laboratory and under natural and semi-natural conditions is the fruit fly Drosophila melanogaster (e.g. [1 –3]). Understanding the circadian clock mechanism could play an important role in forensic entomology (where insects are used to obtain useful information for crime reconstruction) because it temporally gates behaviour such as locomotor activities, feeding, m...
Source: Forensic Science International - March 17, 2017 Category: Forensic Medicine Authors: E. Bostock, E.W. Green, C.P. Kyriacou, S. Vanin Source Type: research
Insect succession on remains of human and animals in Shenzhen, China
Investigating insect succession, along with developmental study of carrion insects, constitutes some of the most fundamental and important work of forensic entomology. In the time since insect succession theory on carcasses was first proposed by M égnin [1], there have been a great number of studies on this field. Through these studies, the succession patterns under different types of environment have been observed, including land exposure [2,3], burying [4,5], indoor environments [6,7], vehicle environments [8], ponds and rivers [9,10], oce ans [11], dry environments [12,13], rainy seasons [14,15].
Source: Forensic Science International - December 27, 2016 Category: Forensic Medicine Authors: Yu Wang, Meng-yun Ma, Xin-yu Jiang, Jiang-feng Wang, Liang-liang Li, Xiao-jun Yin, Min Wang, Yue Lai, Lu-yang Tao Source Type: research
Optimising crime scene temperature collection for forensic entomology casework
The study of insects and other arthropods in a medico-legal context, also known as forensic entomology, is an essential tool in legal cases, especially in death enquiries [1]. Traditional forensic pathology methods for time of death estimation, using post-mortem changes such as rigor mortis, reach their limits within 48 –72hours after death [2]. At that point forensic entomology becomes particularly important as knowledge of insect biology, ecology and identification can provide information such as post-mortem body relocations, environmental conditions at death occurrence and, most importantly, estimation of a mi nimum p...
Source: Forensic Science International - November 16, 2016 Category: Forensic Medicine Authors: Ines M.J. Hofer, Andrew J. Hart, Daniel Mart ín-Vega, Martin J.R. Hall Source Type: research
The forensically important blow fly, Chrysomya megacephala (Diptera: Calliphoridae), is more likely to walk than fly to carrion at low light levels
The age of an immature carrion insect thought to have developed on a corpse provides an estimate of the minimum time since death [1]. Carrion fly adults are relatively inactive at night [2], and if a death investigator assumes that oviposition or larviposition could not have occurred on the victim at night, this may substantially influence a forensic entomology analysis [3].
Source: Forensic Science International - June 12, 2016 Category: Forensic Medicine Authors: Joshua L. Smith, Nicholas A. Palermo, Jamie C. Theobald, Jeffrey D. Wells Source Type: research
Microbial effects on the development of forensically important blow fly species
Bacteria play a critical role in the life-cycle of necrophagous flies and can have a significant impact on their development and survival [1]. This inter-kingdom interaction is of particular importance in forensic entomology where developmental data for specific blow fly species is utilised to estimate the minimum post-mortem interval (mPMI) [2,3].
Source: Forensic Science International - June 1, 2016 Category: Forensic Medicine Authors: Esther R. Crooks, Mark T. Bulling, Kate M. Barnes Source Type: research
EFFECTS OF TEMPERATURE AND DIET ON BLACK SOLDIER FLY, Hermetia illucens (L.) (DIPTERA: STRATIOMYIDAE), DEVELOPMENT
Forensic entomology is the application of insect or other arthropod evidence to legal investigations [1]. While the first recorded use of forensic entomology dates back to the 13th century in China, it was only in the late 1800s that interest in this field gained momentum [2]. Currently, forensic entomology is organised into three principal areas: urban, stored products and medicolegal entomology [3,4]. Medicolegal entomology concentrates on insects associated with human or other animal remains, and may aid in several aspects of an investigation such as movement of a body postmortem, toxicological analysis, and indication of trauma [5–7].
Source: Forensic Science International - May 15, 2016 Category: Forensic Medicine Authors: Laura M. Harnden, Jeffery K. Tomberlin Source Type: research
Effects of temperature and diet on black soldier fly, Hermetia illucens (L.) (Diptera: Stratiomyidae), development
Forensic entomology is the application of insect or other arthropod evidence to legal investigations [1]. While the first recorded use of forensic entomology dates back to the 13th century in China, it was only in the late 1800s that interest in this field gained momentum [2]. Currently, forensic entomology is organised into three principal areas: urban, stored products and medicolegal entomology [3,4]. Medicolegal entomology concentrates on insects associated with human or other animal remains, and may aid in several aspects of an investigation such as movement of a body postmortem, toxicological analysis, and indication of trauma [5 –7].
Source: Forensic Science International - May 15, 2016 Category: Forensic Medicine Authors: Laura M. Harnden, Jeffery K. Tomberlin Source Type: research
Larval development rates of Chrysomya rufifacies Macquart, 1842 (Diptera: Calliphoridae) within its native range in South-East Asia
Forensic entomology is based on the use of developmental and distribution information of necrophagous insects, such as blow flies (Diptera: Calliphoridae), to support crime scene investigations. As insects are poikilotherms, their development rates are strongly temperature dependent and are usually predictable [1]. Further, insects require a certain amount of heat unit-energy units (degree-days) to develop from one life stage to the other [2] and do not develop below or above certain threshold temperatures [3,4].
Source: Forensic Science International - May 10, 2016 Category: Forensic Medicine Authors: Surasuk Yanmanee, Martin Husemann, Mark Eric Benbow, Guntima Suwannapong Tags: Technical Note Source Type: research
Comparison of decomposition rates between autopsied and non-autopsied human remains
Estimating the postmortem interval (PMI) is an issue shared by many forensic science disciplines including anthropology, medicine, entomology, and microbiology, among others. In the past, numerous researchers have examined the rate and process of gross tissue modifications occurring in human remains during the PMI [1–24]. In these studies and others, copious intrinsic (e.g., body mass, cause of death) and extrinsic (e.g., abiotic environment, scavenger access, soil pH, depositional environment) factors have been identified that affect the rate, and sometimes pattern, of decomposition.
Source: Forensic Science International - February 15, 2016 Category: Forensic Medicine Authors: Lennon N. Bates, Daniel J. Wescott Source Type: research
Development and validation of a GC–MS method for nicotine detection in (L.) (Diptera: Calliphoridae)
Entomotoxicology is a scientific term involving the combination of entomology and toxicology. One aspect of entomotoxicology examines the adverse effects of chemicals on living organisms (insects) feeding on the remains of humans and other animals. [1] Toxicological substances (simply referred to as “drugs” in this study) present in remains can also enter necrophagous insects. Many of these drugs affect insects, altering their rate of development and survival. [2] In a forensic context, the identification of drugs in necrophagous insects may help determine the cause of death.
Source: Forensic Science International - February 1, 2016 Category: Forensic Medicine Authors: Paola A. Magni, Marco Pazzi, Marco Vincenti, Eugenio Alladio, Marco Brandimarte, Ian R. Dadour Source Type: research
