Chelifer Cancroides is a type of mite species, also commonly referred to as pseudoscorpions. The term pseudoscorpions is a synonym for Chelifer Cancroides, and it describes any arachnid that resembles a scorpion but lacks a tail. Other related synonyms for Chelifer Cancroides include book scorpions, false scorpions, and chernetids. These tiny creatures are typically less than 5mm in length and are found in leaf litter, soil and other damp areas, where they hunt small insects and other arthropods. Despite their intimidating appearance, pseudoscorpions are harmless to humans and play a vital role in controlling the population of small prey in their ecosystems.