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Insect Decline-A Forensic Issue?

¹Institute of Legal Medicine, University Hospital Frankfurt, Goethe-University, Kennedyallee 104, D-60596 Frankfurt am Main, Germany.

|April 30, 2021

Summary

This summary is machine-generated.

Insect population declines may impact forensic entomology. Research suggests potential delays in body colonization and altered succession patterns, affecting postmortem interval estimations.

Keywords:

carrion climate change development forensic entomology global warming succession

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Area of Science:

Forensic Entomology
Ecology
Climate Change Biology

Background:

Recent reports indicate significant declines in insect species and biomass globally.
Forensic entomology heavily relies on insect presence for investigations.
The impact of insect decline on forensic entomology remains largely unexplored, particularly concerning necrophagous species.

Purpose of the Study:

To review the existing literature on insect population declines and their potential effects on forensic entomology.
To assess the current understanding of necrophagous insect population trends.
To explore the implications of climate change on necrophagous insects and their role in forensic science.

Main Methods:

Literature review of studies documenting insect population declines.
Analysis of anecdotal and empirical data on necrophagous insect populations.
Discussion of climate change impacts on insect behavior and development.

Main Results:

Numerous studies confirm insect population declines, though methodologies and rates are debated.
Limited data exists on the decline of necrophagous insects.
Hypothetical impacts include delayed body colonization and altered insect succession patterns.

Conclusions:

Declines in necrophagous insects could significantly affect forensic entomology, potentially altering postmortem interval (PMI) estimations.
Climate change, a driver of insect decline, poses further challenges through altered insect activity and development.
Further research into transgenerational effects and insect responses to environmental variations is crucial for forensic entomology's adaptation.