The answer to 'why is my silverfish nests' is that silverfish are attracted to dark, damp, and humid environments where they can find food and shelter. Silverfish nests are typically found in areas with high moisture levels, such as bathrooms, basements, or kitchens. These pests feed on paper, starch, and other organic materials, and they can lay their eggs in cracks and crevices, leading to the formation of nests.
Silverfish nests can be a nuisance, as they can damage books, photographs, and other paper-based items. If you suspect you have a silverfish infestation, it's important to address the problem promptly to prevent further damage. This may involve reducing moisture levels, sealing cracks and crevices, and using targeted pest control methods.