Family Macronyssidae Oudemans, 1936
Macronyssus Kolenati, 1858
• Macronyssus diversipilis (Vitzthum, 1920)
• Original name: Ichoronyssus diversipilis Vitzthum, 1920 .
• In: Archiv für Naturgeschichte (A), 91: 21.
Irish Records: On Myotis nattereri (Baker & Craven, 2003) .
Counties: Fermanagh.
• Macronyssus flavus (Kolenati, 1856)
• Original name: Dermanissus flavus Kolenati, 1856 .
• In: Parasiten Chiroptern, 8: 19.
Irish Records: On Nyctalus leisleri (Baker & Craven, 2003) .
Counties: Tipperary.
• Macronyssus kolenatii (Oudemans, 1902)
• Original name: Liponyssus kolenatii Oudemans, 1902 .
• In: Entomologische Berichten, 1: 46.
Irish Records: On Pipistrellus pipistrellus (Baker & Craven, 2003) .
Counties: Cork, Fermanagh, Kilkenny.
Ornithonyssus Sambon, 1928
• Ornithonyssus pipistrelli (Oudemans, 1903)
• Original name: Macronyssus pipistrelli Oudemans, 1903 .
• In: Tijdschrift voor entomologie, 46: 111
Irish Records: On Plecotus auritus (Baker & Craven, 2003); on Myotis baubeni (unpublished data).
Counties: Cork, Kilkenny.
Steatonyssus Kolenati, 1858
• Steatonyssus periblepharus Kolenati, 1858
• Original name: Steatonyssus periblepharus Kolenati, 1858 .
• In: Wiener Entomologischen Monatsschrift, 2: 6.
Irish Records: On Pipistrellus pipistrellus (Till & Evans, 1963; Fairley & Clarke 1972; Baker & Craven, 2003).
Counties: Fermanagh, Galway.