Retinometra venusta (Rosseter 1897)

are endoparasites of

• Global Biotic Interactions: Anas platyrhynchos Linnaeus 1758 (Common Mallard)
• Global Biotic Interactions: Anas acuta Linnaeus 1758 (pintail, northern pintail)
• Global Biotic Interactions: Cyclocypris globosa (Sars 1863)

have host

• Global Biotic Interactions: Anas acuta Linnaeus 1758 (pintail, northern pintail)
• Global Biotic Interactions: Aythya americana (Eyton 1838) (Redhead)
• Global Biotic Interactions: Aythya americana (Eyton 1838) (Redhead)
• Global Biotic Interactions: Aythya americana (Eyton 1838) (Redhead)
• Global Biotic Interactions: Anas fulvigula Ridgway 1874 (Florida duck)

parasitize

• Global Biotic Interactions: Anas acuta Linnaeus 1758 (pintail, northern pintail)
• Global Biotic Interactions: Anas acuta Linnaeus 1758 (pintail, northern pintail)
• Global Biotic Interactions: Neurotrichus gibbsii (Baird 1858) (American Shrew Mole)
• Global Biotic Interactions: Cyclocypris globosa (Sars 1863)
• Global Biotic Interactions: Anas platyrhynchos Linnaeus 1758 (Common Mallard)