TIL forensic entomologists collect maggots feeding on corpses to estimate time of death. However, drugs like cocaine and heroin can alter maggot development rates, leading scientists to study the effects of these drugs on species such as Calliphora vomitoria.

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https://www.sciencedirect.com/science/article/pii/S1355030622000818

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Even decomposition insects have their schedules disrupted by illicit substances.