How do insects help form soil?

Insects play a vital role in soil formation and the maintenance of soil health by assisting bacteria and fungi in the decomposition of organic matter.1

Their contributions to soil development include:

• Fragmentation of Organic Matter: Insects such as springtails, beetles, and fly larvae act as decomposers. They fragment leaf litter and other vegetable matter, creating a suitable substrate for primary decomposers to break these materials down into simpler chemical compounds.2
• Nutrient Cycling: By consuming and breaking down decaying plant and animal tissues, insects help release stored nutrients, converting them into forms that are usable by plants.2
• Distribution of Microorganisms: Certain insect larvae, such as those of flesh flies and blowflies, distribute bacteria while consuming decaying matter, which accelerates the decay process.1
• Soil Structure: Through their movement and feeding activities, insects help incorporate organic material into the soil, which is essential for developing soil structure and fertility.2

These processes are fundamental to the creation of humus and the overall rejuvenation of the environment.2