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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 eggs remain dormant till the rains, that is, usually the month of May, when they hatch. The caterpillars pupate in September and October and the adults emerge four to six months later. In some cases the caterpillars pupate later and in these cases the pupa remain dormant, throughout the dry season, till May when the rains begin. Larva
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.
Carterocephalus palaemon, the chequered skipper or arctic skipper, not to be confused with the large chequered skipper, is a species of woodland butterfly in the family Hesperiidae. [2] This butterfly can live in grasslands. The upperside of the butterfly is brown with orange spots and on its underside the chequered skipper is orange with brown ...
Escamoles (Spanish: [eskaˈmoles] ⓘ; Nahuatl languages: azcamolli, [1] from azcatl 'ant' and molli 'puree' [2]), known colloquially as Mexican caviar or insect caviar, are the edible larvae and pupae of ants of the species Liometopum apiculatum and L. occidentale var. luctuosum. [3]