Microparyphium facetum

have host

• Global Biotic Interactions: Mycteria americana Linnaeus 1758 (Wood Stork)
• Global Biotic Interactions: Platalea ajaja Linnaeus 1758 (Roseate Spoonbill)
• Global Biotic Interactions: Haliaeetus leucocephalus (Linnaeus 1766) (Bald Eagle)
• Global Biotic Interactions: Pandion haliaetus (Linnaeus 1758) (Osprey)
• Global Biotic Interactions: Haliaeetus leucocephalus (Linnaeus 1766) (Bald Eagle)

parasitize

• Global Biotic Interactions: Platalea ajaja Linnaeus 1758 (Roseate Spoonbill)
• Global Biotic Interactions: Gavia immer (Brünnich 1764) (Common Loon)
• Global Biotic Interactions: Pelecanus erythrorhynchos Gmelin & JF 1789 (American White Pelican)