Family Blattisociidae Garman, 1948

Blattisocius Keegan, 1944 Blattisocius dentriticus (Berlese, 1918) • Original name: Lasioseius (Lasioseius) dentriticus Berlese, 1918. • In: Redia, 13: 133. • Combinations/variations used in Irish literature: Laelaps fimbriatus Halbert (Halbert, 1923), Melichares dentriticus (Berlese) (Cusack, 1974; Cusack et al., 1975), Blattisocius amboinensis (Oudemans) (Curry, 1969a).

Irish Records: In sprouting potatoes (Halbert, 1923); farm grain stores (Cusack, 1974; Cusack et al.,

1975); pasture (Curry, 1969a); tidal debris in saltmarsh (Healy, 1975; Speight & Healy, 1977).

Counties: Dublin, Kildare.

Blattisocius keegani Fox, 1947

• Original name: Blattiosocius keegani [sic] Fox, 1947.

• In: Annals of the Entomological Society of America, 40: 599.

• Combinations/variations used in Irish literature: Melichares keegani (Fox) (Cusack, 1974; Cusack et al., 1975; Emmanuel, 1977).

Irish Records: Flour mills and on farm and commercial grain stores (Cusack, 1974; Cusack et al., 1975); weeds in barley field (Emmanuel, 1977); pasture (Tuohy, 1979).

Counties: Kildare, Meath.

Blattisocius mali (Oudemans, 1929) • Original name Typhlodromus mali Oudemans, 1929. • In: Entomologische Berichten, 8: 30. • Combinations/variations used in Irish literature: Typhlodromus mali Oudemans (Turk & Turk, 1952).

Irish Records: On dried currents (Turk & Turk, 1952).

Counties: Dublin.

Blattisocius tarsalis (Berlese, 1918)

• Original name: Lasioseius (Lasioseius) tarsalis Berlese, 1918.

• In: Redia, 13: 134.

• Combinations/variations used in Irish literature: Typhlodromus tineivorans Oudemans (O’Farrell & Butler, 1948), Melichares tarsalis (Berlese) (Cusack, 1974; Cusack et al., 1975; Cusack & Brennan, 1976). Irish Records: Stored foodstuffs (O’Farrell & Butler, 1948); farm and commercial grain stores and flour mills (Cusack, 1974; Cusack et al., 1975; Cusack & Brennan, 1976); pasture (Tuohy, 1979); soil under Norway spruce (Heneghan, 1994). Counties: Antrim, Kilkenny, Meath.

Cheiroseius Berlese, 1916

Cheiroseius borealis (Berlese, 1904)

• Original name: Lasioseius (Lasioseius) borealis Berlese, 1904.

• In: Redia, 1: 259.

• Combinations/variations used in Irish literature: Sejus borealis (Berlese) ( O’Neill, 1981).

Irish Records: Pasture (Cunningham, 1975; Curry, 1976a; Purvis, 1978; Tuohy, 1979; Bolger, 1980; O’Neill, 1981; Piotrowska, 2009); pasture on cutaway peat (Longworth, 1973; Whelan, 1976; Curry & Momen, 1988; Curry et al., 1989); manure on soil surface (Curry, 1979); Sphagnum and pine shelter belt on bog (Longworth, 1973).

Counties: Dublin, Galway, Kildare, Mayo, Meath, Offaly, Wexford.

Cheiroseius curtipes (Halbert, 1923) • Original name: Lasioseius (Episeius) glaber var. curtipes Halbert, 1923. • In: Journal of the Linnean Society (Zoology), 35: 370. • Combinations/variations used in Irish literature: Lasioseius glaber Berl. var curtipes Halbert (Halbert, 1923

and see Luxton, 1998).

Irish Records: Wet moss (Halbert, 1923).

Counties: Dublin.

Cheiroseius grandis (Berlese, 1916)

• Original Name: Lasioseius (Lasioseius) grandis Berlese, 1916.

• In: Redia, 12: 34

• Combinations/variations used in Irish literature: Episeius grandis (Berlese) (Halbert, 1920).

Irish Records: Saltmarsh and open habitats in estuary (Halbert, 1920).

Counties: Dublin.

Cheiroseius laelaptoides (Berlese, 1887)

• Original name: Epicrius laelaptoides Berlese, 1887.

• In: Acari, Myriopoda and Scorpiones hucusque in Italia reperta, 40: 10.

• Combinations/variations used in Irish literature: Lasioseius (Lasioseius) laelaptoides (Berlese) (Halbert, 1923), Lasioseius (Episeius) sphagni Halbert (Halbert, 1923). Irish Records: Under decaying wood and in Sphagnum (Halbert, 1923). Counties: Dublin.

Cheiroseius necorniger (Oudemans, 1903)

• Original name: Hypoaspis necorniger Oudemans, 1903.

• In: Entomologische Berichten, 1: 87.

Irish Records: Soil surface in saltmarsh (Healy, 1975; Speight & Healy, 1977); on barnacles, in Puccinella turf and in saltmarsh (Healy & McGrath, 1998).

Counties: Dublin, Wexford.

Cheiroseius serratus (Halbert, 1915) • Original name: Paraseius serratus Halbert, 1915. • In: Proceedings of the Royal Irish Academy, 31: 78. • Combinations/variations used in Irish literature: Paraseius serratus Halbert (Halbert, 1915), Episeius serratus Halbert (Hull, 1918).

Irish Records: Sphagnum (Halbert, 1915, Halbert upublished notes); pasture on bog (Longworth, 1973).

Counties: Down, Dublin, Kerry, Mayo.

Lasioseius Berlese, 1916

Lasioseius berlesei (Oudemans, 1938)

• Original name: Typhlodromus berlesei Oudemans, 1938.

• In: Tijdschrift voor Entomologie, 81: 2.

Irish Records: Heather on bog (Longworth, 1973); pasture on peat (Whelan, 1976).

Counties: Kildare, Mayo.

Lasioseius confusus Evans, 1958

• Original name: Lasioseius confusus Evans, 1958.

• In: Proceedings of the Zoological Society of London, 131: 221.

Irish Records: Pasture on peat (Whelan, 1976).

Counties: Kildare.

Lasioseius muricatus (Koch, 1839)

• Original name: Seius muricatus Koch, 1839.

• In: Deutschlands Crustaceen, Myriopoden und Arachniden. 1835–1844. Regensburg, fasc. 24 (11).

• Combinations/variations used in Irish literature: Seiulus muricatus (Koch) (Halbert, 1915).

Irish Records: No habitat provided (Halbert, 1915); under dead wood and under bark (Halbert unpublished notes); pasture on peat (Whelan, 1976).

Counties: Dublin, Kildare, Wicklow.

Lasioseius ometes (Oudemans, 1903)

• Original name: Hypoaspis ometes Oudemans, 1903.

• In: Entomologische Berichten, 1: 100.

Irish Records: Under bark of decaying logs (Halbert, 1923); fungal sporocarp (O’Connell, 1994).

Counties: Dublin, Kildare.

Lasioseius penicilliger Berlese, 1916

• Original name: Lasioseius (Zercoseius) penicilliger Berlese, 1916.

• In: Redia, 12: 44.

Irish Records: On farm and commercial grain stores and bread vans (Cusack, 1974, Cusack et al., 1975).

Counties: Not specified.

Lasioseius spinosus Willmann, 1939 • Original name: Lasioseius spinosus Willmann, 1939. • In: Abhandlungen der Naturwissen -schaftlichen. Verein zu Bremen, 31: 52–500. • Combinations/variations used in Irish literature: Thinoseius spinosus Willmann (Healy & McGrath, 1998).

Irish Records: Dry tidal debris and Armeria tussocks (Healy & McGrath, 1998).

Counties: Wexford.

Platyseius Berlese, 1916

Platyseius italicus (Berlese, 1905)

• Original name: Ameroseius italicus Berlese, 1905.

• In: Redia, 2: 234.

• Combinations/variations used in Irish literature: Paraseius italicus (Berlese) (Halbert, 1915), Paraseius tenuipes Halbert (Halbert, 1915), Lasioseius (Episeius) tenuipes Halbert (Hull, 1918; Halbert, 1923), Lasioseius (Episeius) italicus Berlese (Hull, 1918; Halbert, 1923), Platyseius tenuipes (Halbert) (Turk & Turk 1952).

Irish Records: Moss in stream on partially submerged stones (Halbert, 1915); streams and reservoir (Hal-

bert, 1923); nest of kittiwake (Rissa tridactyla) (Turk & Turk, 1952); The Burren (Evans & Hyatt, 1960);

Sphagnum and pine shelter bed on bog (Longworth, 1973); fen (Wisdom, 2010; Wisdom et al., 2011).

Counties: Clare, Dublin, Kildare, Mayo, Wexford, Wicklow.

Platyseius major (Halbert, 1923) • Original name: Lasioseius (Episeius) major Halbert, 1923. • In: Journal of the Linnean Society (Zoology), 35: 373. • Combinations/variations used in Irish literature: Lasioseius (Episeius) major Halbert (Halbert, 1923).

Irish Records: Stream (Halbert, 1923).

Counties: Dublin.

Platyseius tendens (Schrank, 1803) • Original name: Acarus tendens Schrank, 1803. • In: Fauna Boica, Durchgedachte Geschichte der in Baiern einheimischen und zahmen Thiere. Philipp Krüll, Universitätsbuchhändler, Landshut, 209. • Combinations/variations used in Irish literature: Lasioseius (Platyseius) subglaber (Oudemans) (Halbert, 1923), Platyseius subglaber (Oudemans) (Wisdom, 2010, Wisdom et al., 2011).

Irish Records: Sphagnum pools and bank of stream (Halbert, 1923); raised bog (Wisdom, 2010; Wisdom

et al., 2011).

Counties: Clare, Galway, Louth, Offaly, Wicklow.

Zercoseius Berlese, 1916

Zercoseius spathuliger (Leonardi, 1899)

• Original name: Seius spathuliger Leonardi, 1899.

• In: Canestrini, G. (Ed.), Prospetto dell’Acarofauna Italiana. Part 8. Stabilimento Prosperini, Padova, 923.

• Combinations/variations used in Irish literature: Seiulus spathuliger (Leonardi) (Halbert, 1915), Lasioseius spathuliger (Leonardi) (Hull, 1918). Irish Records: Moss (Halbert, 1915, Bolger, in press); amongst heather (Halbert unpublished notes); pasture on peat (Whelan, 1976); nest of Lasius flavus and pasture (Arroyo et al., 2015). Counties: Dublin, Kildare, Limerick, Mayo.