Primnoisis (Primnoisis) antarctica Wright & Studer 1889

are preyed upon by

• Global Biotic Interactions: Liljeborgia georgiana Schellenberg 1931
• Global Biotic Interactions: Epimeria (Laevepimeria) walkeri (K. H. Barnard 1930)
• Global Biotic Interactions: Melphidippa antarctica Schellenberg 1926
• Global Biotic Interactions: Epimeria (Drakepimeria) similis Chevreux 1912
• Global Biotic Interactions: Harpovoluta charcoti (Lamy 1910)
• Global Biotic Interactions: Alexandrella schellenbergi (Holman & Watling 1983)
• Global Biotic Interactions: Epimeria (Hoplepimeria) robusta K. H. Barnard 1930
• Global Biotic Interactions: Epimeria (Hoplepimeria) rubrieques De Broyer & Klages 1991
• Global Biotic Interactions: Eurythenes gryllus (Lichtenstein ex Mandt 1822)
• Global Biotic Interactions: Rhachotropis antarctica K. H. Barnard 1932
• Global Biotic Interactions: Epimeria (Drakepimeria) macrodonta Walker 1906
• Global Biotic Interactions: Maxilliphimedia longipes (Walker 1906)
• Global Biotic Interactions: Ophioplocus incipiens (Koehler 1922)
• Global Biotic Interactions: Prodoris clavigera (Thiele 1912)
• Global Biotic Interactions: Dolloidraco longedorsalis Roule 1913
• Global Biotic Interactions: Charcotia obesa Chevreux 1906
• Global Biotic Interactions: Ophionotus victoriae Bell 1902
• Global Biotic Interactions: Polyeunoa laevis McIntosh 1885
• Global Biotic Interactions: Ophiosparte gigas Koehler 1922
• Global Biotic Interactions: Ophioplinthus brevirima (Mortensen 1936)
• Global Biotic Interactions: Astrotoma agassizii Lyman 1875