Springtails are minute insects without wings in the Order Collembola. They occur in large numbers in moist soil and are found in homes with high humidity, organic debris, or mold.
Homeowners sometimes discover these insects in large numbers in swimming pools, potted plants, or in moist soil and mulch. They feed on decaying, damp vegetation causing organic material and other nutrients to return to the soil which are later used by plants. Occasionally, springtails attack young seedling and may damage the roots and stems. 650 species in North America. Worldwide, 3600 species have been discovered.
Springtails are pests due to their large numbers. They do not bite nor transmit diseases. They can easily climb the sides of houses and are attracted to lights.
Homeowners may first encounter springtails inside the home. The insects invade buildings in search of moisture or dryness, in times of dry weather or heavy rains. They may also breed indoors with high levels of humidity that occur near leaks and cracks.