TY - JOUR A1 - Amendt, Jens A1 - Bugelli, Valentina A1 - Bernhardt, Victoria Christiane T1 - Time flies - age grading of adult flies for the estimation of the post-mortem interval T2 - Diagnostics N2 - The estimation of the minimum time since death is one of the main applications of forensic entomology. This can be done by calculating the age of the immature stage of necrophagous flies developing on the corpse, which is confined to approximately 2–4 weeks, depending on temperature and species of the first colonizing wave of flies. Adding the age of the adult flies developed on the dead body could extend this time frame up to several weeks when the body is in a building or closed premise. However, the techniques for accurately estimating the age of adult flies are still in their beginning stages or not sufficiently validated. Here we review the current state of the art of analysing the aging of flies by evaluating the ovarian development, the amount of pteridine in the eyes, the degree of wing damage, the modification of their cuticular hydrocarbon patterns, and the increasing number of growth layers in the cuticula. New approaches, including the use of age specific molecular profiles based on the levels of gene and protein expression and the application of near infrared spectroscopy, are introduced, and the forensic relevance of these methods is discussed. KW - forensic entomology KW - pteridine KW - cuticular hydrocarbons KW - NIRS KW - gene expression KW - proteomics Y1 - 2021 UR - http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/61759 UR - https://nbn-resolving.org/urn:nbn:de:hebis:30:3-617592 SN - 2075-4418 VL - 11 IS - 2, art. 152 SP - 1 EP - 13 PB - MDPI CY - Basel ER -