Hysterochelifer is a small, predatory insect belonging to the order Pseudoscorpiones. It is characterized by its elongated body and pincer-like pedipalps, which it uses to capture and immobilize its prey. Hysterochelifer is commonly found in leaf litter and soil, where it feeds on other small invertebrates. Its name, derived from Greek, translates to "belly claw bearer," referring to its unique abdominal structure.