Amblygamasus Berlese, 1903 • Amblygamasus hamatus (Koch, 1839) • Original name: Gamasus hamatus Koch, 1839. • In: Deutschlands Crustaceen, Myriopoden und Arachniden. 1835–1844. Regensburg, fasc. 26 (2). • Combinations/variations used in Irish literature: Pergamasus hamatus Koch ( Bolger, 1980; Purvis, 1978), Pergamasus (Paragamasus) hamatus Koch (Whelan, 1976).
Irish Records: Pasture (Purvis, 1978; Bolger, 1980; Piotrowska, 2009); pasture on peat (Whelan, 1976);
soil in winter wheat field (unpublished data).
Counties: Carlow, Galway, Kildare, Meath, Wexford.
• Amblygamasus mirabilis Willmann, 1951
• Original name: Amblygamasus mirabilis Willmann, 1951.
• In: Sitzungsberichte der Oesterreichischen Akademie der Wissenschaften Abt., 160: 99.
• Combinations/variations used in Irish literature: Pergamasus mirabilis Willmann (Curry, 1969a; Purvis, 1978; Breslin, 1979; Bolger, 1980; Purvis & Curry, 1980; Piotrowska, 2009).
Irish Records: Pasture (Curry, 1969a; Purvis, 1978; Purvis & Curry, 1980; Bolger, 1980; Piotrowska, 2009); soil of sugar beet crop (Breslin, 1979); gorse bank and Salix ditch at seashore (Purvis, 1982). Counties: Carlow, Cork, Kildare, Meath, Wexford.
Cornigamasus Evans & Till, 197
• Cornigamasus lunaris (Berlese, 1882)
• Original name: Gamasus coleoptratorum var. lunaris Berlese, 1882
• In: Archives Italiennes de Biologie, 2: 125.
• Combinations/variations used in Irish literature: Gamasus (Gamasus) lunaris Berlese (Halbert, 1915; Hull,
1918); Parasitus lunaris (Berlese) (Purvis, 1978; Curry, 1979; O’Neill, 1981).
Irish Records: Amongst decaying seaweed on seashore (Halbert, 1915, 1920); in vinegar (Halbert unpublished notes); manure on soil surface (Curry, 1979); pasture (Purvis, 1978; O’Neill, 1981); in hazel humus and under ivy (Hyatt, 1980); leaf litter (Hyatt, 1990a).
Counties: Antrim, Clare, Dublin, Kildare, Mayo, Meath.
Eugamasus Berlese, 1892 • Eugamasus berlesei Willmann, 1935 • Original name: Eugamasus magnus forma berlesei Willmann, 1935. • In: Mémoires du Musée royal d’histoire naturelle de Belgique, 11: 6. • Combinations/variations used in Irish literature: Parasitus berlesei (Willmann) (Emmanuel, 1977; Kelly & Curry, 1985).
Irish Records: Plants and soil in barley crop (Emmanuel, 1977); winter wheat crop (Kelly & Curry, 1985);
liverwort on cave floor, mossy larch litter, turf in limestone pavement, beech/oak litter in roadside ditch
(Hyatt, 1980).
Counties: Clare, Kerry, Kildare, Limerick, Westmeath.
• Eugamasus cavernicolus Trägårdh, 1912 • Original name: Eugamasus magnus var. cavernicola Trägårdh, 1912. • In: Archives de zoologie expérimentale et générale, 8: 524. • Combinations/variations used in Irish literature: Eugamasus tragardhi (Trägårdh) Oudemans (Turk, 1972).
Irish Records: On mud in the dark zone of a cave (Turk, 1972; Hazelton, 1974a, b, c).
Counties: Cork.
• Eugamasus crassitarsis (Halbert, 1923)
• Original name: Gamasus (Eugamasus) crassitarsis Halbert, 1923.
• In: Journal of the Linnean Society (Zoology), 35: 363.
• Combinations/variations used in Irish literature: Gamasus (Eugamasus) crassitarsis Halbert (Halbert, 1923).
Irish Records: Under sunken stone at high water mark in river (Halbert, 1923); soil (Halbert slide, c.f. Hyatt, 1980); pasture (Curry, 1969a); mossy conifer litter (Hyatt, 1980).
Counties: Dublin, Kildare, Mayo, Meath, Wexford.
Gamasodes Oudemans, 1939 • Gamasodes bispinosus Halbert, 1915 • Original name: Gamasodes bispinosus Halbert, 1915. • In: Proceedings of the Royal Irish Academy, 31: 56. • Combinations/variations used in Irish literature: Gamasodes bispinosus Halbert (Halbert, 1915; Hull, 1918).
Irish Records: In moss (Halbert, 1915); pasture (Ganley, 1976; Purvis, 1978; Bolger, 1980; Hyatt, 1980;
O’Neill, 1981); dune and gorse bank at seashore (Purvis, 1982).
Counties: Antrim, Dublin, Kildare, Mayo, Meath, Wexford.
• Gamasodes fimbriatus Karg, 1971 • Original name: Gamasodes fimbriatus Karg, 1971. • In: Die Tierwelt Deutschlands, 59: 414. • Combinations/variations used in Irish literature: Gamasoides spinipes (Koch) (Halbert, 1915, in part).
Irish Records: Under stones and rotting seaweed on seashore (Halbert, 1915, 1920; Hyatt, 1980).
Counties: Clare, Cork, Mayo.
• Gamasodes spiniger (Trägårdh, 1910)
• Original name: Eugamasus spiniger Trägårdh, 1910.
• In: Naturwissenschaften Untersuchungen Sarekgeberg, 4: 410.
• Combinations/variations used in Irish literature: Gamasoides spinipes (Koch) (Halbert, 1915, in part), Gamasus hortivagus Berlese (Hull, 1918). Irish Records: Old nests of puffins (Fratercula arctica) and Black-backed gulls (Larus marinus) (Halbert, 1915); in fungi (Halbert, 1915); manure on soil surface (Curry, 1979); pasture (Purvis, 1978; Bolger, 1980; O’Neill, 1981). Counties: Galway, Kildare, Mayo, Meath.
Holoparasitus Oudemans, 1936
• Holoparasitus absoloni (Willmann, 1940)
• Original name: Ologamasus absoloni Willmann, 1940.
• In: Zoologischer Anzeiger, 130: 212.
Irish Records: Pine shelter bed and pasture on bog (Longworth, 1973).
Counties: Mayo.
• Holoparasitus caesus Micherdziński, 1969 • Original name: Holoparasitus caesus Micherdziński, 1969. • In: Die familie Parasitidae Oudemans 1 90 1 (Acarina, Mesostigmata). Panstwowe Wydawnictwo Naukowe,
Kraków: 357.
Irish Records: Fungal sporocarp (O’Connell, 1994).
Counties: Not specified.
• Holoparasitus calcaratus (Koch, 1839)
• Original name: Gamasus calcaratus Koch, 1839.
• In: Deutschlands Crustaceen, Myriopoden und Arachniden. 1835–1844. Regensburg, fasc. 26 (6).
Irish Records: Dune at seashore (Purvis, 1982).
Counties: Wexford.
• Holoparasitus inornatus (Berlese, 1906)
• Original name: Gamasus inornatus Berlese, 1906.
• In: Redia, 3: 257.
• Combinations/variations used in Irish literature: Gamasus (Ologamasus) inornatus Berlese (Halbert, 1915; Hull, 1918).
Irish Records: Moss (Halbert, 1915); nest of Lasius flavus and pasture (Arroyo et al., 2015); fungal sporocarp (O’Connell, 1994); Machair grassland and associated fixed and fore dunes (Arroyo & Bolger, 2011); small mammal nests (unpublished data); moss on soil under oak, ash, Scots pine, and Sitka spruce; soil under oak; moss on oak, Scots pine, Sitka spruce; canopy of ask, oak, Sitka spruce (Arroyo et al., 2012, 2013a, b).
Counties: Clare, Cork, Donegal, Galway, Kerry, Laois, Leitrim, Limerick, Mayo, Roscommon, Sligo, Wicklow.
• Holoparasitus lawrencei Hyatt, 1987
• Original name: Holoparasitus lawrencei Hyatt, 1987.
• In: Bulletin of the British Museum (Natural History) Zoology, 52: 155.
Irish Records: Litter near a weir (Hyatt, 1987); fungal sporocarp (O’Connell, 1994); small mammal nests (unpublished data).
Counties: Clare, Kilkenny.
• Holoparasitus stramenti Karg, 1971
• Original name: Holoparasitus stramenti Karg, 1971.
• In: Die Tierwelt Deutschlands 59: 356.
• Combinations/variations used in Irish literature: Gamasus (Ologamasus) calcaratus Koch var excisus (Hal-
bert, 1915); Gamasus (Ologamasus) pollicipatus Berlese (Halbert, 1915), Holoparasitus pollicipatus (Berlese)
(Valarasan, 1971).
Irish Records: Commonly in moss and on the seashore (Halbert, 1915); pasture (Valarasan, 1971); pasture on peat (Whelan, 1976); in litter, humus, and soil, in moss by stream and flood debris (Hyatt, 1980, unpublished data); dune, Iris bog and Salix ditch at seashore (Purvis, 1982); nest of Lasius flavus and pasture (Arroyo et al., 2015); fungal sporocarp (O’Connell, 1994); Machair grassland and associated fore dunes (Arroyo & Bolger, 2011); small mammal nests (unpublished data); moss on soil under oak, ash, Scots pine and Sitka spruce; soil under oak, ash; moss on oak, Scots pine and Sitka spruce; canopy of oak and Sitka spruce (Arroyo et al., 2010, 2012, 2013a, b); riverbank (unpublished data).
Counties: Donegal, Dublin, Galway, Kerry, Kildare, Laois, Limerick, Mayo, Roscommon, Wexford, Wicklow Galway, Mayo, Clare, Leitrim.
Leptogamasus Trägårdh, 1936