Pseudoscorpion

Scientific Name: Chelifer cancroides (common example)

Order & Family: Order Pseudoscorpiones, Families varies (e.g., Cheliferidae)

Size: 2 to 8 millimeters (very small)

Pseudoscorpion

Natural Habitat

Found in leaf litter, soil, under tree bark, and occasionally indoors in damp areas or old books.

Diet & Feeding

Carnivorous; they eat small arthropods like booklice, mites, springtails, and small fly larvae.

Behavior Patterns

They use pincer-like pedipalps to capture prey and often hitch rides on larger insects to move to new locations (phoresy). They spin silk nests for molting and brooding.

Risks & Benefits

Completely harmless to humans as they lack a stinging tail; they are beneficial to the ecosystem and homes by acting as natural pest control for tiny nuisance insects.

Identified on: 5/11/2026