Himacerus major

are preyed upon by

• Global Biotic Interactions: Platynus (Platynus) assimilis (Paykull 1790)
• Global Biotic Interactions: Carabus (Archicarabus) nemoralis O. F. Müller 1764 (European Ground beetle)
• Global Biotic Interactions: Agyneta affinis (Kulczyński 1898)
• Global Biotic Interactions: Hahnia nava (Blackwall 1841)
• Global Biotic Interactions: Quedius (Quedius) curtipennis Bernhauer 1908 (Large rove beetle)

prey on

• Global Biotic Interactions: Anoscopus serratulae Fabricius 1775
• Global Biotic Interactions: Philaenus spumarius (Linné 1758) (Common froghopper)
• Global Biotic Interactions: Stenocranus sapporensis Matsumura 1935
• Global Biotic Interactions: Timarcha goettingensis
• Global Biotic Interactions: Macrosteles sexnotatus

visit

• Global Biotic Interactions: Thuja plicata Donn ex D. Don (Canoe Cedar)