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Is Forensic Entomology Lost in Space?

Denis R Boudreau¹, Gaétan Moreau¹

¹Département de Biologie, Université de Moncton, Moncton, NB E1A 3E9, Canada.

|January 21, 2022

Summary

Spatial analysis reveals diverse Calliphoridae (forensic blow fly) distribution patterns. Understanding these insect dynamics across various scales is crucial for advancing forensic entomology investigations.

Keywords:

Calliphoridae autocorrelation blow flies forensic sciences semivariance spatial statistics species distribution

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Area of Science:

Forensic Entomology
Spatial Ecology
Zoology

Background:

Spatial and scale effects are understudied in forensic entomology.
These factors significantly influence insect development and succession on cadavers.
Calliphoridae are key insects in forensic investigations.

Purpose of the Study:

To analyze the spatial dynamics of sarcosaprophageous Calliphoridae.
To investigate species-specific spatial distribution patterns.
To explore interspecific spatial relationships.

Main Methods:

Application of smoothing/interpolation techniques.
Utilized semivariograms for spatial analysis.
Employed multivariate spatial correlations.

Main Results:

Calliphoridae spatial dynamics varied significantly between species.
Some species exhibited strong regional aggregation, while others did not.
Interspecific spatial relationships ranged from aggregation to anticorrelation.

Conclusions:

Calliphoridae spatial dynamics operate at multiple scales with diverse patterns and causes.
Spatial analysis offers significant benefits for forensic entomology.
Addressing forensic questions often necessitates spatial solutions.