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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.
Waltzing fly larvae are found in carrion, especially moose carrion, and this is their natural substrate. However, the larvae are now also found in animal products that humans eat, such as cheese and meats—thus the name "cheese skipper". [10] Adult waltzing flies eat primarily carrion, but will also consume fungi, cheese, and many other foods ...
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. The mature larva is about 8 mm (0.31 in) long and is sometimes called the cheese skipper because of its leaping ability - when disturbed, this tiny maggot can hop some 15 cm (6 in) into the air. [4]
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]
The larvae live in a folded-over leaf nest. The yellow-banded larva is red-brown with white-hairs. The head is black with white and orange hairs. The pupa is brownish-red with maroon joints and the abdomen dull orange. It is covered with white hairs (except on the wing cases) and has orange hairs on the top of the head.
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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.
Tax Day is coming up fast — April 18! — but for certain dog owners, every day is Tax Day. Or at least, that's how Matt Hobbs sees it. He's the Atlanta-based songwriter behind the viral hit ...