Subgenus Cosmolaelaps Berlese, 1903

• Hypoaspis (Cosmolaelaps) claviger (Berlese, 1883)

• Original name: Laelaps claviger Berlese, 1883 .

• In: Acari, Myriopoda and Scorpiones hucusque in Italia reperta, 4 (2).

Irish Records: Moss and other habitats (Halbert, 1915; Bolger, in press); pasture (Valarasan, 1971; Ganley, 1976); pasture on cutaway peat (Curry & Momen, 1988); dune and gorse bank at seashore (Purvis, 1982); Salix litter on peat (Bolger, 1985); nest of Lasius flavus and pasture (Arroyo et al., 2015).

Counties: Dublin, Limerick, Offaly, Wexford.

• Hypoaspis (Cosmolaelaps) miles (Berlese, 1892)

• Original name: Laelaps (Iphis) miles Berlese, 1892.

• In: Acari, Myriapoda and Scorpiones hucusque in Italia reperta, 63 (9).

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

Counties: Limerick.

• Hypoaspis (Cosmolaelaps) vacua (Michael, 1891)

• Original name: Laelaps (Cosmolaelaps) vacuus Michael, 1891 .

• In: Proceedings of the Zoological Society, London, 4: 651.

• Combinations/variations used in Irish literature: Laelaps (Cosmolaelaps) vacuus Michael (Halbert, 1915; Hull, 1918), Laelaps (Cosmolaelaps) styliferus Halbert (Halbert, 1915; Hull, 1918; Luxton, 1998). Irish Records: Nests of Lasius flavus and Myrmica scabrinodis (Halbert, 1915); pasture (Curry, 1969a); pasture on peat (Whelan, 1976). Counties: Kildare, Mayo.