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 Sperchonopsis verrucosa ( Protz, 1896 ) Synonym: Sperchon verrucosa Protz, 1896 ( original designation ) Type material: Possible type material: ZMB /Arach285343( GBIF 2022 ) . Type locality: Germany , in Brandenburg ( Protz 1896 ) . Geographical distribution: Holarctic ( Di Sabatino et al. 2010 ). Distribution in Portugal : North: International Minho River ( Cantallo et al. 2021 ), in the tributary section “Rio Mouro, Ponte do Curto” (Monção municipality, 42º4′29.27″N , 8º23′39.12″W ); Centre: Beira Litoral ( Valdecasas 1988 ), in Fonte Fria, Mealhada, Buçaco mountain ( Lundblad 1956 ). Material examined: 1 undetermined sex adult; Ponte do Curto , Portugal ; 42º4′29.27″N; 24 September 2020 ; coll. by Aquamuseu Team; catalogue number NatMIP-CATr-0012 . Ecological notes: On muddy sediment in streams, feeds on chironomid larvae ( Di Sabatino et al. 2010 ). Present in macrophytes( Cantallo et al. 2021 ). Remarks: First record mentioned for Minho River ( Cantallo et al. 2021 ), and also represents the first occurrence for North Portugal .