Friday, 20 July 2007

Maggots from a Flesh Fly

I smashed this annoying Sarcophagid flesh-fly against a wall and she ejected this bunch of wiggling maggots. I cannot identify her down to the species level with certainity, since Sarcophagid flies have many species, some of which can only be told apart through dissection.

Furthermore, I'm not 100 percent sure if these were her larvae, or those of a parasitic wasp which had chosen her for a host. In any case, Sarcophagid flies make an immense contribution to forensic science as they lay their eggs on decaying corpses, animal or human. Exact timing of their arrivals and the fixed maturation rates of their larvae mean that detectives can figure out how long bodies have been left out, usually a vital clue in murder investigations.

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