Pergamasus puerilis

are preyed upon by

• Global Biotic Interactions: Paragamasus runcatellus
• Global Biotic Interactions: Paragamasus vagabundus (Karg 1968)
• Global Biotic Interactions: Acrotona (Acrotona) sylvicola (Kraatz 1856)
• Global Biotic Interactions: Oxypoda annularis (Mannerheim 1830)
• Global Biotic Interactions: Zercon peltatus

prey on

• Global Biotic Interactions: Protaphorura armata (Tullberg 1869)
• Global Biotic Interactions: Pseudachorutes subcrassus Schäffer 1897
• Global Biotic Interactions: Lepidocyrtus (Lanocyrtus) lanuginosus (Linnaeus ex Gmelin 1788)
• Global Biotic Interactions: Micranurida pygmaea Börner 1901
• Global Biotic Interactions: Lepidocyrtus (Lepidocyrtus) lignorum (Fabricius O 1775)