Checklist of water mites from mainland Portugal and its archipelagos Author Cantallo, Harold 0000-0001-7005-6462 Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Terminal de Cruzeiros do Porto de Leixões, Avenida General Norton de Matos, s / n, 4450 - 208, Matosinhos, Porto, Portugal. & https: // orcid. org / 0000 - 0001 - 7005 - 6462 Author Gomes, Nuno 0000-0002-5513-6875 Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Terminal de Cruzeiros do Porto de Leixões, Avenida General Norton de Matos, s / n, 4450 - 208, Matosinhos, Porto, Portugal. & Aquamuseu do Rio Minho, Vila Nova de Cerveira, 4920 - 290, Portugal. & https: // orcid. org / 0000 - 0002 - 5513 - 6875 Author Antunes, Carlos 0000-0003-2294-6174 Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Terminal de Cruzeiros do Porto de Leixões, Avenida General Norton de Matos, s / n, 4450 - 208, Matosinhos, Porto, Portugal. & Aquamuseu do Rio Minho, Vila Nova de Cerveira, 4920 - 290, Portugal. & https: // orcid. org / 0000 - 0003 - 2294 - 6174 Author Martins, Duarte 0000-0003-3736-5743 Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Terminal de Cruzeiros do Porto de Leixões, Avenida General Norton de Matos, s / n, 4450 - 208, Matosinhos, Porto, Portugal. & Faculdade de Ciências, Universidade do Porto, rua do Campo Alegre s / n, 4169 - 007 Porto, Portugal & https: // orcid. org / 0000 - 0003 - 3736 - 5743 Author Costa, Dimítri De Araújo 0000-0002-5399-2483 Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Terminal de Cruzeiros do Porto de Leixões, Avenida General Norton de Matos, s / n, 4450 - 208, Matosinhos, Porto, Portugal. & Aquamuseu do Rio Minho, Vila Nova de Cerveira, 4920 - 290, Portugal. & https: // orcid. org / 0000 - 0002 - 5399 - 2483 text Zootaxa 2022 2022-11-28 5213 4 336 370 journal article 198868 10.11646/zootaxa.5213.4.2 bf19faf6-6e2f-4f68-83c2-79c95be93fa0 1175-5326 7381432 685D4DC1-0C1E-4E76-BEEE-E54749603695 Pionopsis lutescens ( Hermann, 1804 ) Synonym: Hydrachna lutescens Hermann, 1804 ( original designation ) Type material: Unknown, possibly lost. Type locality: Northern Europe ( Hermann 1804 ) . Geographical distribution: Holarctic, remarkably Europe ( Gerecke et al. 2016 ). Distribution in Portugal : South: Estremadura ( Valdecasas 1988 ), in Sintra-Monserrate Park and Palace ( Lundblad 1956 ). Ecological notes: Freshwater ( Lundblad 1956 ), at pools of streams and small habitats with a short temporary water cover; Larval insects hosts: Chironomidae dipterans ( Gerecke et al. 2016 ). Tiphys torris ( Müller, 1776 ) Synonym: Hydrachna torris Müller, 1776 ( original designation ) Type material: Unknown, possibly lost. Type locality: Denmark (probably surroundings of Copenhagen) or Norway ( Müller 1776 ) . Geographical distribution: Palaearctic ( Gerecke et al. 2016 ). Distribution in Portugal : South: Estremadura ( Valdecasas 1988 ), in Sintra-Monserrate Park and Palace ( Lundblad 1956 ). Ecological notes: In lentic freshwater ecosystems and small tributaries, including eutrophic, oligotrophic and dystrophic environments ( Gerecke et al. 2016 ).