Flyspecks

noun

1. Housefly excrement, visible as a minuscule black dot.

   "The wall of the kitchen above the fruitbowl was dotted with flyspeck."

2. (by extension) Anything tiny or insignificant.

   "From the foothills below, Jean, Jan, and James were mere flyspecks, easily lost among the straggly pines that formed the treeline."