Pachylaelapidae Berlese, 1913

Bolger, Thomas, Arroyo, Julio & Piotrowska, Katarzyna, 2018, A catalogue of the species of Mesostigmata (Arachnida, Acari, Parasitiformes) recorded from Ireland including information on their geographical distribution and habitats, Zootaxa 4519 (1), pp. 1-220 : 136-143

Family Pachylaelapidae Berlese, 1913

Onchodellus Berlese, 1904

• Onchodellus alpinus (Willmann, 1953)

• Original name: Pachylaelaps alpinus Willmann, 1953 .

• In: Sitzungsberichten der Österreichischen Akademie der Wissenschaften.

• Mathematisch -Naturwissenschaftliche Klasse, I, 162: 459.

Irish Records: Pasture ( Purvis, 1978).

Counties: Kildare

• Onchodellus jurassicus (Schweizer, 1961)

• Original name: Pachylaelaps jurassicus Schweizer, 1961 .

• In: Denkschriften der Schweizerischen Naturforschenden Gesellschaft, 84: 106.

Irish Records: Pasture ( Purvis, 1978; upublished data); Fungal sporocarp ( O’Connell, 1994; unpublished data).

Counties: Kildare, Wicklow.

Pachydellus Mašán, 2007

• Pachydellus furcifer (Oudemans, 1902)

• Original name: Pachylaelaps furcifer Oudemans, 1902 .

• In: Tijdschrift voor Entomologie, 45: 52.

• Combinations/variations used in Irish literature: Pachylaelaps furcifer Oudemans ( Valarasan, 1971; Whel- an, 1976). Irish Records: Pasture ( Valarasan, 1971); pasture on peat ( Whelan, 1976). Counties: Dublin, Kildare.

Pachylaelaps Berlese, 1888

• Pachylaelaps bellicosus Berlese, 1920

• Original name: Pachylaelaps bellicosus Berlese, 1920 .

• In: Redia , 14: 180.

Irish Records: Fungal sporocarp ( O’Connell, 1994).

Counties: Not specified.

• Pachylaelaps ensifer Oudemans, 1902 • Original name: Pachylaelaps ensifer Oudemans, 1902 . • In: Tijdschrift voor Entomologie, 45: 52. • Combinations/variations used in Irish literature: Pachylaelaps pectinifer var magnus Halbert ( Halbert,

1915; Hull, 1918), Pachylaelaps magnus Halbert ( Heneghan, 1994) .

Irish Records: In moss ( Halbert, 1915); soil under Norway spruce ( Heneghan, 1994).

Counties: Kilkenny, Mayo.

• Pachylaelaps littoralis Halbert, 1915

• Original name: Pachylaelaps littoralis Halbert, 1915 .

• In: Proceedings of the Royal Irish Academy, 31: 64.

Irish Records: Under stones on gravel and sandy mud on seashore ( Halbert, 1915, 1920).

Counties: Galway, Mayo.

• Pachylaelaps longisetis Halbert, 1915

• Original name: Pachylaelaps longisetis Halbert, 1915 .

• In: Proceedings of the Royal Irish Academy, 31: 65.

Irish Records: Decaying tree trunk ( Halbert, 1915); bracken bed, gorse bank and Salix ditch at seashore ( Purvis, 1982); rough grazing and broadleaved forest soils ( Arroyo et al., 2009; unpublished data); Machair grassland and associated fore dunes ( Arroyo et al., 2011); spruce woodland (unpublished data); soil under oak, Sitka spruce and Scots pine, moss on soil surface under oak ( Arroyo et al., 2012, 2013a).

Counties: Carlow, Dublin, Galway, Kerry, Kildare, Mayo, Waterford, Wexford, Wicklow.

• Pachylaelaps pectinifer (G. Canestrini, 1881) • Original name: Gamasus pectinifer G. Canestrini, 1881 . • In: Atti del Reale Istituto veneto di scienze, lettere ed arti, Series 5, 7: 513. • Combinations/variations used in Irish literature: Pachylaelaps sellnicki Hirschmann & Krauss ( Heneghan,

1994).

Irish Records: Soil under Norway spruce ( Heneghan, 1994).

Counties: Kilkenny.

Pachylaelaps resinae Karg, 1971

Original name: Pachylaelaps (Pachylaelaps) resinae Karg, 1971 .

In: Die Tierwelt Deutschlands, 59: 148.

Irish Records: Pasture ( Ganley, 1976; Curry & Ganley, 1977).

Counties: Dublin.

• Pachylaelaps undulatus Evans & Hyatt, 1956

• Original name: Pachylaelaps undulatus Evans & Hyatt, 1956 .

• In: Entomologist’s Monthly Magazine, 92: 127.

Irish Records: Pasture ( Valarasan, 1971).

Counties: Dublin.

Pachyseius Berlese, 1910

• Pachyseius angustiventris Willmann, 1935

• Original name: Pachyseius angustiventris Willmann, 1935 .

• In: Bulletin du Musée Royal d’Histoire Naturelle de Belgique, 11: 20.

Irish Records: Pasture ( Curry, 1969a; Valarasan, 1971).

Counties: Dublin, Kildare.

• Pachyseius humeralis Berlese, 1910

• Original name: Pachyseius humeralis Berlese, 1910 .

• In: Redia , 6: 255.

Irish Records: Pasture ( Curry, 1969a); soil under Norway spruce ( Heneghan, 1994); soil in birch, mixed conifer and mixed broadleaved woodland (unpublished data); cliff (Bolger, in press).

Counties: Dublin, Kildare, Kilkenny, Mayo, Wexford.

Pseudolaelaps Berlese, 1906

• Pseudolaelaps schweizeri Mašán, 2017

• Original name: Pseudolaelaps schweizeri Mašán, 2017 .

• In: Journal of Natural History, 51: 1187.

• Combinations/variations used in Irish literature: Pseudolaelaps doderoi Solari ( Arroyo et al., 2015) .

Irish Records: Nest of Lasius flavus ( Arroyo et al., 2015) .

Counties: Limerick.