The kind of bug that looks like a piece of moss is the peloridiid which is a small and unusual looking bug that has the appearance of moss.
Moss bugs are true bugs and are 2 to 5 mm long, lumpy and are flattened.
Moss bugs are also rarely seen and have a cryptic lifestyle.
Moss bugs are also found in New Zealand, eastern Australia, Patagonia, Lord Howe Island and also New Caledonia.
Peloridiids bugs or moss bugs are found amongst mosses and liverworts, commonly in association with southern beech forests.
The peloridiids bugs have become known as moss bugs for their habit of feeding on mosses.
They are not harmful to humans but can be a pest.