Tatria octacantha Rees 1973

are endoparasites of

• Global Biotic Interactions: Tachybaptus ruficollis (Pallas 1764) (Little Grebe)
• Global Biotic Interactions: Pyrrhosoma nymphula (Sulzer 1776) (Large Red Damsel)
• Global Biotic Interactions: Enallagma cyathigerum (Charpentier 1840) (Common Blue Damselfly)