However, too many grubs in a compost pile can easily consume most of the food scraps and yard waste before it gets a chance to decompose. They eat only decaying and dead material and make excellent compost in a short space of time.” Laura Locker Bell, a composting expert from Sacramento, California, says: “ Compost is not sterile and needs decomposers like grubs to make it happen. While grubs can be unsightly to some people, they have a positive effect on compost, especially when they’re not in excess. The activity of grubs and other macro-organisms sets the composting process in motion. They tear, grind, and chew organic matter into smaller pieces that would otherwise be difficult for microorganisms to break down. Grubs are physical decomposers in compost piles. In addition, their burrowing action aerates the compost pile, making the composting process more efficient. Compost grubs are good detritivores because they eat dead and decaying organic matter and break it down into nutrient-rich compost.
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