Family Hydrozetidae Grandjean, 1954

Hydrozetes Berlese, 1902

· Hydrozetes confervae (Schrank, 1781)

· Original name: Acarus confervae Schrank, 1781 .

· In: Enumeratio insectorum Austriae indigenorum. Augustae Vindeliciorum, 1–552.

· Synonyms: Hydrozetes terrestris Berlese, 1910 . Irish Reference/s and Habitat/s: Bog (Longworth 1973). Counties: Mayo.

· Hydrozetes lacustris (Michael, 1882) *

· Original name: Nostaspis lacustris Michael, 1882 .

· In: Further notes on British Oribatidae . Journal of the Royal Microscopical Society, 2, 1-18.

· Historical combinations/variations: Scutovertex lacustris (Michael) Berlese, 1896 . · Synonyms: Notaspis speciosus Chinaglia, 1917; Hydrozetes octosetosus Willmann, 1931; Hydrozetes confervae (p.p) Buitendijk, 1945.

Irish Reference/s and Habitat/s: Sphagnum and moss (Halbert 1915); raised bogs and mountain blanket

bogs (Wisdom et al. 2011).

Counties: Mayo, Offaly and Sligo.

· Hydrozetes lemnae (Coggi, 1897)

· Original name: Notaspis lemnae Coggi, 1897 .

· In: Canestrini, G. (Ed) Prospetto dell’ Acarofauna Italian. Padova, 8, 916.

· Synonyms: Hydrozetes confervae (p.p.), Buitendijk, 1945; Hydrozetes mollicoma Hammer, 1958 . Irish Reference/s and Habitat/s: Bog, grassland and heather on peat (Longworth 1973); mountain blanket and Atlantic blanket bogs (Wisdom et al. 2011).

Counties: Kerry, Mayo and Wicklow.