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The cheese fly, cheese skipper, or ham skipper (Piophila casei) is a species of fly from the family Piophilidae whose larvae are known to infest cured meats, smoked or salted fish, cheeses and carrion. On the Mediterranean island of Sardinia, the larvae are intentionally introduced into pecorino cheese to produce the characteristic casu martzu.
The most notorious member of the family is the cheese fly, Piophila casei; it is cosmopolitan, and a typical member of the family. It is a small species, about 4 mm (0.16 in) long. The fly's larvae infest cured meats, smoked or salted fish, cheeses, and carrion.
Piophila is a genus of small flies which includes the species known as the cheese fly. Both Piophila species feed on carrion , including human corpses . [ 1 ] [ 2 ]
Casu marzu is a traditional Sardinian sheep milk cheese that contains larvae of the cheese fly, Piophila casei. Some species of maggots such as blowfly larvae (gentles) and bluebottle larvae ( casters ) are bred commercially; they are sold as bait in angling , and as food for carnivorous animals (kept as pets, in zoos, or for research) such as ...
Casu martzu is created by leaving whole pecorino cheeses outside with part of the rind removed to allow the eggs of the cheese fly Piophila casei to be laid in the cheese. A female P. casei can lay more than 500 eggs at one time. [2] [8] The eggs hatch and the larvae begin to eat through the cheese. [9]
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Entomological evidence collection is the process of collecting evidence based on insect clues used in criminal investigations.If evidence is not carefully preserved at a crime scene after a death, it may be difficult or impossible for an entomologist to make an accurate identification of specimens, if for example, all morphological characteristics are not preserved.
Forensic entomology is a branch of applied entomology that uses insects found on corpses or elsewhere around crime scenes in the interest of forensic science. This includes studying the types of insects commonly found on cadavers , their life cycles, their presence in different environments, and how insect assemblages change with decomposition .