Thanks, but nothing in that reference or in my books looks like what I'm seeing. They're tiny and thready -- possibly an immature version of fruitworms? or maybe not an economic pest, so not covered in the standard references? Just a macro version of the microbes that are squirming through all the food we eat?
The only place I've found that describes what I'm seeing is this, back from 2004:
http://community.cookinglight.com/ar...p/t-60253.html