Hydrodessus ducke sp. n. and new records of other species of the genus (Coleoptera, Dytiscidae, Bidessini) Author Benetti, Cesar J. Author Michat, Mariano C. Author Hamada, Neusa text Zootaxa 2020 2020-02-24 4743 1 47 60 journal article 10.11646/zootaxa.4743.1.4 71f9dd38-f9b3-432d-87d0-f3428ac1f0be 1175-5326 3687626 63D7BE74-E248-4D1E-92A7-D5288170DB13 Hydrodessus maculatus Miller, 2016 Material examined. Brazil : Amazonas State , Barcelos County , “Base da Serra do Aracá, Igarapé s/ nome, margem esquerda do Ig. da Cobra” ( 00º52’13”N 63º27’13”W ); 147 m a.s.l. 02.viii.2009 ; leg. N. Ferreira Jr. , J. Nessimian, F. Salles , A. Santos , U. Neiss , J. Silva ( INPA , 6) . Suriname : Sipaliwini district , Sipaliwini savvana nat. res. near bascamp ( 2º00.46’N 55º59.08’W ); along river margin; 295 m a.s.l. ; 31.iii.2017 ; leg. A. Short ; SR17-0331-02A ( SEMC , 5) . Distribution. Brazil * (Amazonas), Guyana (Region IX), Suriname * ( Sipaliwini ) and Venezuela ( Amazonas ) (Mill- er 2016) ( Fig. 16 ). Habitat. Specimens were “seined from rocks in rapids” and “netted along margins” of the Rio Baria. They have also been found in creeks and at blacklight in a rainforest ( Miller 2016 ) and along river margin at 295 m a.s.l.