compost bacteria

What Organisms Are Involved In Composting? The macro-organisms you can see in or around your compost pile, such as mites, centipedes, sow bugs, snails, beetles, ants and earthworms, are physical decomposers; they grind, tear, and chew materials into smaller pieces. What organisms are involved in the composting process? Ants, beetles, centipedes, “composting” worms, flies, millipedes,