The diet of stink beetles is primarily composed of decaying organic matter. This includes dead plant material, such as leaves, twigs, and bark. They also consume fungi and, in some instances, decaying animal matter. The exact composition of their food intake can vary depending on the specific species and the availability of resources in their environment.
Understanding the dietary habits of these beetles is crucial for comprehending their role in ecosystems. Their consumption of decaying matter contributes significantly to nutrient cycling. By breaking down complex organic materials, they release essential elements back into the soil, which are then utilized by plants and other organisms. This decomposition process supports overall ecosystem health and stability.