Pi·oph·i·la ca·se·i(pī-of'i-lă kā'sē-ī),
The cheese fly, a species of muscoid flies the eggs of which are deposited on exposed cheese, cured meats, and other foods and are thus ingested, sometimes giving rise to temporary intestinal myiasis, with diarrhea, colicky pains, and vomiting.
[L., fr. G. piōn, fat, + philos, fond; L. caseus, cheese]
the cheese or ham fly. The larvae are the skippers of neglected food. They leap around when they are looking for a dry spot to pupate.