;"Sampling date";Region;"November 2013";"July 2014";"January/February 2015";WS;ES;FB Gyrinidae:;;;;;; "Gyrinus natalensis Régimbart, 1892";;4;;X;; "Dineutus subspinosus (Klug, 1834)";;;"21, 23, 29";;X;X Haliplidae:;;;;;; "Haliplus natalensis Wehncke, 1880";;;27;;;X "Peltodytes sp.";;;"6, 27";X;;X Noteridae:;;;;;; "Canthydrus apicicornis Régimbart, 1895";;"7, 8, 13";"6, 7, 13, 14, 17, 18, 22, 25";X;X; "Canthydrus marshalli Balfour-Browne, 1939";;;6;X;; "Canthydrus notula (Erichson, 1843)";;"6, 7, 8, 9, 10, 14, 15";"6, 7, 14, 16, 17, 21, 22, 23, 27, 29";X;X;X "Canthydrus quadrivittatus (Boheman, 1848)";;13;"1, 6, 13, 14, 16, 17, 18, 22, 23, 27";X;X;X "Canthydrus sedilloti Régimbart, 1895";;;"1, 6, 13, 14, 16, 17, 22, 23";X;X; "Hydrocanthus grandis (Laporte, 1835)";;;14;;X; "Hydrocanthus micans Wehncke, 1883";;;"1, 6, 14, 17, 22, 23, 29";X;X;X "Hydrocanthus ferruginicollis Régimbart, 1895";27;;;;;X "Synchortus imbricatus (Klug, 1853)";;;"1, 7, 16, 17, 25,";X;X; "Synchortus desaegeri Gschwendtner, 1935";;;23;;X; "Neohydrocoptus aethiopicus (Balfour-Browne, 1961)";;2;"1, 7, 20, 23, 27";X;X;X "Neohydrocoptus angolensis (Peschet, 1925)";;"1, 2, 3";"1, 6, 14, 25, 27";X;X;X Dytiscidae:;;;;;; "+Copelatus cf. ejactus Omer-Cooper, 1965";;;"17, 18, 22, 26, 29";X;X;X "Copelatus erichsoni Guérin-Méneville, 1849";;;"17, 20, 26, 27, 29";X;X;X "Copelatus pulchellus (Klug, 1834)";;;"17, 26, 29";;X;X "Cybister gschwendtneri Guignot, 1935";"27, 31";;"14, 27";;X;X "Cybister marginicollis Boheman, 1848";"27, 31";11;"7, 14, 18, 22, 27, 31";X;X;X "Cybister natalensis (Wehncke, 1876)";;;29;;;X "Cybister senegalensis Aubé. 1838";;;"6, 27";X;;X "Cybister tripunctatus africanus Laporte, 1835";;;"14, 21, 27, 29, 31";;X;X "Cybister bimaculatus Aubé, 1838";;;21;;X; "Cybister ertli Zimmermann, 1917";;13;14;;X; "Cybister vicinus Zimmermann, 1917";;;"21, 23, 27, 29, 31";;X;X "Cybister vulneratus Klug, 1834";30;4;"6, 14, 16, 17, 18, 19, 23, 27, 29, 31";X;X;X "Rhantaticus congestus (Klug, 1833)";27;;"21, 22, 23, 27, 29, 31";;X;X "Eretes sticticus (Linnaeus, 1767)";;;21;;X; "Hydaticus bivittatus Laporte, 1835";;;27;;;X "Hydaticus exclamationis Aubé, 1838";;;"27, 29";;;X "Hydaticus flavolineatus Boheman, 1848";;;27;;;X "+Hydaticus cf. natalensis Guignot, 1951";;;27;;;X "Hydaticus matruelis Clark, 1864";;;27;;;X "Hydaticus servillianus Aubé, 1838";"27, 30";"6, 11";"14, 23, 26, 27, 29";X;X;X "Bidessus sharpi Régimbart, 1895";;;"6, 14, 16, 21, 27, 29";X;X;X "Clypeodytes meridionalis Régimbart, 1895";;3;"14, 20";X;X; "Hydroglyphus farquharensis (Scott, 1912)";;;"6, 14, 16, 17, 18, 21, 22, 27, 28, 29, 31";X;X;X "Hydroglyphus lineolatus (Boheman, 1848)";;;"21, 31";;X;X "Hydroglyphus zanz ibarensis (Régimbart, 1906)";;"2, 3, 10";"6, 13, 14, 16, 17, 21, 22, 29, 32";X;X;X "Leiodytes hieroglyphicus (Régimbart, 1894)";;;"7, 17";X;X; "Pseuduvarus viticollis (Boheman, 1848)";;;32;;X; "Uvarus gschwendtneri (Guignot, 1942)";;;"6, 17, 18, 22, 23, 27, 29";X;X;X "Hydrovatus acuminatus Motschulsky, 1859";;;"1, 6, 13, 14, 16, 22, 23, 25, 27, 29";X;X;X "Hydrovatus cribratus Sharp, 1882";;;"6, 7, 14, 16";X;X; "Hydrovatus dentatus Bilardo & Rocchi, 1990";;;"14, 17, 21";X;X; "Hydrovatus eximius Biström, 1997";;;29;;;X "Hydrovatus nefandus Omer-Cooper, 1957";;;"23, 27";;X;X "Hydrovatus nigricans Sharp, 1882";;;"22, 23";;X; "Hydrovatus oblongipennis Régimbart, 1895";;15;23;;X; "Hydrovatus obsoletus Peschet, 1922";;;23;;X; "Hydrovatus villiersi Guignot, 1955";;;14;;X; "Hydrovatus visendus Biström, 1997";;;"6, 18";X;; "Herophydrus guineensis (Aubé, 1838)";;;"6, 7, 14, 16, 21, 27, 29";X;X;X "Herophydrus inquinatus (Boheman, 1848)";27;;"27, 29";;;X "+Herophydrus nigrescens Biström & Nilsson, 2002";;;"6, 25, 27";X;X;X "Herophydrus nodieri (Régimbart, 1895)";27;"6, 11, 12";"6, 7, 13, 14, 22, 23, 25, 27, 29";X;X;X "Heterhydrus senegalensis (Laporte, 1835)";;;"6, 14, 22, 23";X;X; "Hyphydrus caffer Boheman, 1848";;;"14, 25";;X; "Hyphydrus cycloides Régimbart, 1889";;;"14, 18, 22, 23, 29";X;X;X "Hyphydrus signatus Sharp, 1882";27;;"6, 27, 29";X;;X "Methles cribratellus (Fairmaire, 1880)";;15;"1, 6, 7, 13, 16, 17, 18, 22, 23, 27, 31";X;X;X "Derovatellus cf. natalensis Omer-Cooper, 1965";"27, 30";;"16, 17, 19, 22, 23, 27, 29";X;X;X "Laccophilus canthydroides Omer-Cooper, 1957";;;"17, 22, 23, 29";X;X;X "Laccophilus cryptos Biström, Nilsson & Bergsten, 2015";;2;"14, 21, 22, 23, 27, 29";X;X;X "Laccophilus contiro Guignot, 1952";;;"6, 14, 22, 23, 27, 31";X;X;X "Laccophilus simplicistriatus Gschwendtner, 1932";"7, 27";"7, 15";"21, 23, 26, 27, 29, 31";X;X;X