Generated by the
| Gyrinidae | Records | Tetrads | First record | Last record |
| Gyrinus bicolor | 3 | 3 | 2006 | 2011 |
| Gyrinus aeratus | 6 | 6 | 1938 | 2011 |
| Gyrinus caspius | 57 | 33 | 0 | 2017 |
| Gyrinus distinctus | 17 | 14 | 1993 | 2014 |
| Gyrinus marinus | 106 | 51 | 1894 | 2020 |
| Gyrinus natator | 2 | 1 | 1885 | 1886 |
| Gyrinus paykulli | 53 | 30 | 1984 | 2015 |
| Gyrinus substriatus | 672 | 308 | 0 | 2020 |
| Gyrinus suffriani | 2 | 1 | 0 | 1906 |
| Gyrinus urinator | 156 | 74 | 1994 | 2019 |
| Orectochilus villosus | 386 | 45 | 1937 | 2019 |
| Haliplidae | Records | Tetrads | First record | Last record |
| Brychius elevatus | 118 | 58 | 0 | 2016 |
| Peltodytes caesus | 7 | 6 | 1904 | 2008 |
| Haliplus apicalis | 48 | 24 | 1982 | 2013 |
| Haliplus flavicollis | 184 | 111 | 1855 | 2019 |
| Haliplus fluviatilis | 394 | 194 | 0 | 2019 |
| Haliplus fulvus | 29 | 19 | 1894 | 2011 |
| Haliplus heydeni | 124 | 71 | 1938 | 2019 |
| Haliplus immaculatus | 349 | 168 | 0 | 2019 |
| Haliplus laminatus | 63 | 39 | 1990 | 2019 |
| Haliplus lineatocollis | 2383 | 580 | 0 | 2020 |
| Haliplus lineolatus | 110 | 75 | 1938 | 2018 |
| Haliplus mucronatus | 29 | 21 | 0 | 2019 |
| Haliplus obliquus | 125 | 62 | 1897 | 2019 |
| Haliplus ruficollis | 501 | 238 | 0 | 2019 |
| Haliplus sibiricus | 301 | 194 | 1938 | 2017 |
| Haliplus variegatus | 9 | 4 | 2006 | 2012 |
| Haliplus confinis | 301 | 151 | 1938 | 2020 |
| Noteridae | Records | Tetrads | First record | Last record |
| Noterus clavicornis | 658 | 199 | 1907 | 2020 |
| Noterus crassicornis | 45 | 25 | 1984 | 2014 |
| Hygrobiidae | Records | Tetrads | First record | Last record |
| Hygrobia hermanni | 51 | 36 | 0 | 2019 |
| Agabus affinis | 12 | 7 | 1986 | 2012 |
| Agabus biguttatus | 4 | 4 | 1989 | 2018 |
| Agabus bipustulatus | 663 | 357 | 0 | 2019 |
| Agabus congener | 21 | 13 | 1984 | 2009 |
| Agabus conspersus | 58 | 30 | 0 | 2019 |
| Agabus didymus | 579 | 300 | 1895 | 2019 |
| Agabus guttatus | 38 | 35 | 1893 | 2018 |
| Agabus labiatus | 17 | 6 | 1956 | 2011 |
| Agabus melanarius | 2 | 2 | 1987 | 1999 |
| Agabus nebulosus | 134 | 88 | 0 | 2019 |
| Agabus paludosus | 217 | 155 | 1898 | 2019 |
| Agabus striolatus | 1 | 1 | 1993 | 1993 |
| Agabus sturmii | 437 | 246 | 0 | 2020 |
| Agabus uliginosus | 32 | 14 | 1984 | 2019 |
| Agabus undulatus | 37 | 12 | 0 | 2014 |
| Agabus unguicularis | 7 | 5 | 1984 | 2007 |
| Ilybius aenescens | 7 | 5 | 2005 | 2009 |
| Ilybius ater | 115 | 75 | 1903 | 2020 |
| Ilybius chalconatus | 55 | 41 | 1898 | 2016 |
| Ilybius fenestratus | 46 | 34 | 0 | 2019 |
| Ilybius fuliginosus | 457 | 253 | 1886 | 2020 |
| Ilybius guttiger | 3 | 3 | 2009 | 2016 |
| Ilybius montanus | 81 | 29 | 0 | 2017 |
| Ilybius quadriguttatus | 110 | 71 | 0 | 2015 |
| Ilybius subaeneus | 10 | 7 | 1908 | 2009 |
| Platambus maculatus | 260 | 96 | 0 | 2020 |
| Colymbetes fuscus | 345 | 196 | 0 | 2019 |
| Rhantus bistriatus | 1 | 1 | 1898 | 1898 |
| Rhantus exsoletus | 58 | 34 | 1894 | 2018 |
| Rhantus frontalis | 4 | 4 | 2006 | 2007 |
| Rhantus grapii | 35 | 29 | 1895 | 2014 |
| Rhantus suturalis | 195 | 114 | 1940 | 2019 |
| Rhantus suturellus | 17 | 8 | 0 | 2017 |
| Liopterus haemorrhoidalis | 126 | 60 | 0 | 2019 |
| Acilius canaliculatus | 32 | 15 | 0 | 2009 |
| Acilius sulcatus | 53 | 30 | 1886 | 2016 |
| Dytiscus circumcinctus | 6 | 5 | 1924 | 1998 |
| Dytiscus circumflexus | 19 | 14 | 1883 | 2019 |
| Dytiscus dimidiatus | 10 | 5 | 1999 | 2006 |
| Dytiscus marginalis | 203 | 135 | 0 | 2019 |
| Dytiscus semisulcatus | 25 | 20 | 0 | 2018 |
| Hydaticus transversalis | 9 | 4 | 1938 | 2010 |
| Hydroglyphus geminus | 91 | 66 | 1986 | 2019 |
| Graptodytes bilineatus | 1 | 1 | 2001 | 2001 |
| Graptodytes granularis | 99 | 56 | 0 | 2020 |
| Graptodytes pictus | 1192 | 316 | 0 | 2019 |
| Hydroporus angustatus | 197 | 116 | 0 | 2017 |
| Hydroporus discretus | 88 | 78 | 1907 | 2017 |
| Hydroporus erythrocephalus | 141 | 74 | 0 | 2016 |
| Hydroporus ferrugineus | 1 | 1 | 2001 | 2001 |
| Hydroporus gyllenhalii | 138 | 49 | 1898 | 2017 |
| Hydroporus incognitus | 200 | 137 | 1984 | 2016 |
| Hydroporus longicornis | 1 | 1 | 2008 | 2008 |
| Hydroporus melanarius | 23 | 12 | 1969 | 2016 |
| Hydroporus memnonius | 144 | 97 | 1898 | 2019 |
| Hydroporus neglectus | 50 | 24 | 1981 | 2017 |
| Hydroporus nigrita | 67 | 51 | 1907 | 2020 |
| Hydroporus obscurus | 27 | 9 | 1911 | 2015 |
| Hydroporus obsoletus | 10 | 8 | 1984 | 2011 |
| Hydroporus palustris | 815 | 385 | 0 | 2019 |
| Hydroporus planus | 377 | 201 | 0 | 2019 |
| Hydroporus pubescens | 241 | 139 | 1897 | 2019 |
| Hydroporus rufifrons | 13 | 4 | 1887 | 2017 |
| Hydroporus striola | 44 | 32 | 1908 | 2020 |
| Hydroporus tessellatus | 174 | 128 | 0 | 2019 |
| Hydroporus tristis | 61 | 24 | 1984 | 2015 |
| Hydroporus umbrosus | 21 | 10 | 1908 | 2012 |
| Nebrioporus assimilis | 107 | 62 | 0 | 2019 |
| Nebrioporus depressus | 6 | 5 | 1986 | 2014 |
| Nebrioporus elegans | 2160 | 340 | 1893 | 2017 |
| Oreodytes davisii | 1 | 1 | 1855 | 1855 |
| Oreodytes sanmarkii | 244 | 43 | 1906 | 2019 |
| Oreodytes septentrionalis | 1 | 1 | 2005 | 2005 |
| Porhydrus lineatus | 33 | 22 | 0 | 2004 |
| Scarodytes halensis | 156 | 89 | 0 | 2019 |
| Stictonectes lepidus | 45 | 29 | 0 | 2011 |
| Stictotarsus duodecimpustulatus | 257 | 119 | 1908 | 2019 |
| Suphrodytes dorsalis | 11 | 9 | 1984 | 2013 |
| Suphrodytes figuratus | 7 | 5 | 2012 | 2015 |
| Hygrotus confluens | 56 | 30 | 0 | 2015 |
| Hygrotus decoratus | 21 | 12 | 1901 | 2014 |
| Hygrotus impressopunctatus | 213 | 108 | 1938 | 2020 |
| Hygrotus inaequalis | 427 | 203 | 0 | 2020 |
| Hygrotus nigrolineatus | 12 | 8 | 1998 | 2014 |
| Hygrotus parallelogrammus | 19 | 13 | 1908 | 2019 |
| Hygrotus quinquelineatus | 31 | 16 | 1937 | 2019 |
| Hygrotus versicolor | 412 | 145 | 0 | 2019 |
| Hyphydrus ovatus | 653 | 230 | 0 | 2019 |
| Laccornis oblongus | 1 | 1 | 1989 | 1989 |
| Laccophilus hyalinus | 536 | 202 | 1894 | 2018 |
| Laccophilus minutus | 327 | 201 | 0 | 2020 |
| Carabidae | Records | Tetrads | First record | Last record |
| Cicindela campestris | 222 | 38 | 0 | 2020 |
| Cicindela maritima | 2 | 1 | 1858 | 1868 |
| Cicindela sylvatica | 3 | 1 | 1843 | 1926 |
| Carabus granulatus | 48 | 13 | 1892 | 2018 |
| Carabus monilis | 10 | 8 | 1896 | 2015 |
| Carabus nemoralis | 117 | 54 | 0 | 2020 |
| Carabus problematicus | 73 | 19 | 0 | 2018 |
| Carabus violaceus | 76 | 53 | 0 | 2019 |
| Cychrus caraboides | 99 | 58 | 0 | 2020 |
| Leistus ferrugineus | 141 | 80 | 0 | 2020 |
| Leistus fulvibarbis | 95 | 72 | 0 | 2019 |
| Leistus rufomarginatus | 69 | 42 | 1983 | 2019 |
| Leistus spinibarbis | 230 | 117 | 1899 | 2020 |
| Leistus terminatus | 91 | 46 | 1843 | 2019 |
| Nebria brevicollis | 314 | 160 | 1886 | 2019 |
| Nebria livida | 1 | 1 | 1860 | 1860 |
| Nebria salina | 101 | 59 | 1943 | 2020 |
| Notiophilus aquaticus | 50 | 24 | 1898 | 2016 |
| Notiophilus biguttatus | 593 | 231 | 0 | 2020 |
| Notiophilus germinyi | 21 | 18 | 1909 | 2016 |
| Notiophilus palustris | 84 | 49 | 0 | 2019 |
| Notiophilus quadripunctatus | 2 | 2 | 1979 | 1992 |
| Notiophilus rufipes | 33 | 23 | 1895 | 2019 |
| Notiophilus substriatus | 30 | 22 | 0 | 2019 |
| Blethisa multipunctata | 3 | 2 | 0 | 1987 |
| Elaphrus cupreus | 110 | 55 | 1893 | 2019 |
| Elaphrus riparius | 94 | 46 | 1895 | 2018 |
| Loricera pilicornis | 324 | 184 | 0 | 2020 |
| Clivina collaris | 7 | 7 | 1894 | 2015 |
| Clivina fossor | 43 | 38 | 0 | 2019 |
| Dyschirius aeneus | 15 | 11 | 1894 | 2018 |
| Dyschirius globosus | 52 | 22 | 1894 | 2016 |
| Dyschirius impunctipennis | 2 | 1 | 1893 | 1893 |
| Dyschirius luedersi | 38 | 19 | 1897 | 2019 |
| Dyschirius nitidus | 1 | 1 | 0 | 0 |
| Dyschirius politus | 6 | 5 | 0 | 2019 |
| Dyschirius salinus | 28 | 10 | 0 | 2006 |
| Dyschirius thoracicus | 19 | 8 | 1893 | 2006 |
| Broscus cephalotes | 51 | 22 | 0 | 2020 |
| Trechus obtusus | 53 | 35 | 1882 | 2020 |
| Trechus quadristriatus | 224 | 135 | 0 | 2020 |
| Trechus rubens | 1 | 1 | 1908 | 1908 |
| Trechus secalis | 23 | 11 | 1895 | 2020 |
| Blemus discus | 13 | 10 | 1979 | 2018 |
| Trechoblemus micros | 6 | 4 | 1897 | 2019 |
| Tachys bistriatus | 3 | 3 | 1949 | 2020 |
| Tachys scutellaris | 3 | 2 | 1994 | 2016 |
| Elaphropus parvulus | 2 | 2 | 1989 | 2019 |
| Asaphidion curtum | 25 | 23 | 1968 | 2018 |
| Asaphidion flavipes | 14 | 14 | 1909 | 2020 |
| Asaphidion stierlini | 11 | 6 | 1989 | 2016 |
| Ocys tachysoides | 1 | 1 | 2016 | 2016 |
| Ocys quinquestriatus | 7 | 5 | 0 | 2011 |
| Cillenus lateralis | 2 | 1 | 2006 | 2006 |
| Bracteon litorale | 1 | 1 | 1906 | 1906 |
| Bembidion aeneum | 73 | 58 | 0 | 2020 |
| Bembidion articulatum | 45 | 29 | 1906 | 2019 |
| Bembidion assimile | 63 | 34 | 0 | 2020 |
| Bembidion atrocaeruleum | 1 | 1 | 1943 | 1943 |
| Bembidion biguttatum | 80 | 46 | 1892 | 2019 |
| Bembidion bruxellense | 16 | 10 | 1910 | 2009 |
| Bembidion clarkii | 2 | 2 | 1948 | 1999 |
| Bembidion deletum | 36 | 29 | 1907 | 2017 |
| Bembidion dentellum | 51 | 33 | 1894 | 2019 |
| Bembidion doris | 25 | 12 | 1906 | 2015 |
| Bembidion ephippium | 13 | 7 | 1983 | 2017 |
| Bembidion femoratum | 33 | 25 | 0 | 2011 |
| Bembidion fluviatile | 1 | 1 | 1895 | 1895 |
| Bembidion fumigatum | 12 | 11 | 1856 | 2012 |
| Bembidion gilvipes | 9 | 8 | 1895 | 2015 |
| Bembidion guttula | 96 | 75 | 0 | 2020 |
| Bembidion illigeri | 45 | 33 | 1906 | 2019 |
| Bembidion iricolor | 32 | 21 | 1912 | 2020 |
| Bembidion lampros | 296 | 177 | 1894 | 2020 |
| Bembidion lunatum | 11 | 7 | 1895 | 1988 |
| Bembidion lunulatum | 122 | 89 | 1906 | 2020 |
| Bembidion mannerheimii | 30 | 21 | 1971 | 2019 |
| Bembidion maritimum | 12 | 10 | 1896 | 2014 |
| Bembidion minimum | 95 | 37 | 0 | 2019 |
| Bembidion nigropiceum | 1 | 1 | 1900 | 1900 |
| Bembidion normannum | 59 | 26 | 0 | 2019 |
| Bembidion obliquum | 21 | 13 | 1941 | 2016 |
| Bembidion obtusum | 136 | 106 | 0 | 2020 |
| Bembidion pallidipenne | 1 | 1 | 1908 | 1908 |
| Bembidion properans | 39 | 35 | 1945 | 2016 |
| Bembidion punctulatum | 2 | 2 | 1895 | 1998 |
| Bembidion quadrimaculatum | 172 | 124 | 1896 | 2020 |
| Bembidion quadripustulatum | 2 | 2 | 1945 | 1949 |
| Bembidion saxatile | 3 | 3 | 1996 | 2009 |
| Bembidion stephensii | 8 | 7 | 0 | 2014 |
| Bembidion stomoides | 2 | 2 | 1895 | 1896 |
| Bembidion testaceum | 1 | 1 | 1942 | 1942 |
| Bembidion tetracolum | 142 | 88 | 1886 | 2020 |
| Bembidion varium | 111 | 55 | 0 | 2019 |
| Pogonus chalceus | 74 | 28 | 0 | 2019 |
| Pogonus littoralis | 28 | 10 | 0 | 2018 |
| Pogonus luridipennis | 21 | 8 | 1902 | 2017 |
| Patrobus atrorufus | 14 | 14 | 1899 | 2019 |
| Stomis pumicatus | 52 | 38 | 1907 | 2019 |
| Poecilus cupreus | 77 | 53 | 0 | 2020 |
| Poecilus versicolor | 23 | 17 | 0 | 2019 |
| Pterostichus anthracinus | 1 | 1 | 1896 | 1896 |
| Pterostichus diligens | 79 | 41 | 1906 | 2019 |
| Pterostichus gracilis | 5 | 3 | 1947 | 1997 |
| Pterostichus longicollis | 2 | 2 | 1948 | 2019 |
| Pterostichus macer | 7 | 6 | 0 | 2019 |
| Pterostichus madidus | 550 | 201 | 0 | 2020 |
| Pterostichus melanarius | 336 | 155 | 0 | 2020 |
| Pterostichus minor | 56 | 31 | 0 | 2019 |
| Pterostichus niger | 354 | 171 | 0 | 2020 |
| Pterostichus nigrita | 87 | 53 | 0 | 2019 |
| Pterostichus oblongopunctatus | 145 | 47 | 0 | 2020 |
| Pterostichus quadrifoveolatus | 7 | 4 | 1993 | 2014 |
| Pterostichus rhaeticus | 19 | 13 | 1908 | 2016 |
| Pterostichus strenuus | 244 | 146 | 1896 | 2020 |
| Pterostichus vernalis | 44 | 38 | 1947 | 2020 |
| Abax parallelepipedus | 104 | 50 | 1902 | 2019 |
| Platyderus depressus | 28 | 17 | 1947 | 2020 |
| Synuchus vivalis | 16 | 13 | 1880 | 2019 |
| Calathus ambiguus | 25 | 16 | 0 | 2001 |
| Calathus cinctus | 33 | 21 | 1986 | 2017 |
| Calathus erratus | 36 | 19 | 0 | 2017 |
| Calathus fuscipes | 215 | 99 | 0 | 2020 |
| Calathus luctuosus | 3 | 2 | 1988 | 1991 |
| Calathus melanocephalus | 146 | 79 | 0 | 2020 |
| Calathus micropterus | 1 | 1 | 1996 | 1996 |
| Calathus mollis | 43 | 19 | 0 | 2018 |
| Calathus rotundicollis | 114 | 76 | 1900 | 2020 |
| Sphodrus leucophthalmus | 2 | 2 | 0 | 1917 |
| Laemostenus complanatus | 1 | 1 | 1908 | 1908 |
| Laemostenus terricola | 34 | 24 | 1898 | 2017 |
| Olisthopus rotundatus | 33 | 18 | 1898 | 2020 |
| Oxypselaphus obscurus | 101 | 62 | 1947 | 2020 |
| Paranchus albipes | 82 | 56 | 1892 | 2020 |
| Batenus livens | 11 | 8 | 1860 | 2019 |
| Platynus assimilis | 134 | 68 | 0 | 2020 |
| Anchomenus dorsalis | 207 | 123 | 0 | 2020 |
| Agonum emarginatum | 34 | 22 | 2002 | 2019 |
| Agonum fuliginosum | 124 | 66 | 1905 | 2020 |
| Agonum gracile | 18 | 10 | 1907 | 2006 |
| Agonum marginatum | 71 | 40 | 1901 | 2018 |
| Agonum micans | 11 | 11 | 1993 | 2018 |
| Agonum moestum | 7 | 6 | 1994 | 2002 |
| Agonum muelleri | 45 | 28 | 0 | 2018 |
| Agonum piceum | 3 | 3 | 2005 | 2019 |
| Agonum sexpunctatum | 1 | 1 | 0 | 0 |
| Agonum thoreyi | 51 | 39 | 1908 | 2020 |
| Agonum viduum | 13 | 12 | 1860 | 2018 |
| Amara aenea | 153 | 81 | 0 | 2019 |
| Amara anthobia | 2 | 2 | 1996 | 2018 |
| Amara apricaria | 91 | 55 | 0 | 2020 |
| Amara bifrons | 45 | 31 | 1900 | 2020 |
| Amara communis | 41 | 35 | 0 | 2019 |
| Amara consularis | 15 | 12 | 1907 | 2018 |
| Amara equestris | 1 | 1 | 1995 | 1995 |
| Amara eurynota | 17 | 13 | 1988 | 2019 |
| Amara familiaris | 224 | 129 | 0 | 2020 |
| Amara fulva | 18 | 13 | 1894 | 2005 |
| Amara infima | 2 | 2 | 0 | 1945 |
| Amara lucida | 3 | 3 | 1907 | 2000 |
| Amara lunicollis | 30 | 23 | 1952 | 2018 |
| Amara nitida | 4 | 3 | 1990 | 2016 |
| Amara ovata | 45 | 42 | 1897 | 2019 |
| Amara plebeja | 164 | 100 | 1886 | 2020 |
| Amara praetermissa | 2 | 1 | 1988 | 1988 |
| Amara similata | 147 | 98 | 0 | 2019 |
| Amara tibialis | 80 | 41 | 0 | 2019 |
| Curtonotus aulicus | 84 | 60 | 1896 | 2019 |
| Curtonotus convexiusculus | 22 | 15 | 0 | 2011 |
| Harpalus affinis | 191 | 113 | 0 | 2020 |
| Harpalus anxius | 18 | 10 | 1912 | 2013 |
| Harpalus calceatus | 1 | 1 | 2016 | 2016 |
| Harpalus froelichii | 1 | 1 | 2005 | 2005 |
| Harpalus griseus | 1 | 1 | 2020 | 2020 |
| Harpalus latus | 12 | 11 | 1982 | 2020 |
| Harpalus rubripes | 36 | 28 | 1892 | 2019 |
| Harpalus rufipalpis | 7 | 5 | 1994 | 2014 |
| Harpalus rufipes | 214 | 119 | 1886 | 2020 |
| Harpalus smaragdinus | 2 | 1 | 1989 | 2000 |
| Harpalus tardus | 78 | 36 | 0 | 2019 |
| Ophonus ardosiacus | 1 | 1 | 2020 | 2020 |
| Ophonus azureus | 1 | 1 | 1975 | 1975 |
| Ophonus cordatus | 1 | 1 | 2006 | 2006 |
| Ophonus melletii | 2 | 2 | 1942 | 1942 |
| Ophonus puncticeps | 3 | 2 | 1974 | 2013 |
| Ophonus rufibarbis | 112 | 80 | 1895 | 2020 |
| Ophonus schaubergerianus | 6 | 4 | 1975 | 2005 |
| Anisodactylus binotatus | 13 | 12 | 1914 | 2017 |
| Dicheirotrichus gustavii | 85 | 35 | 0 | 2018 |
| Dicheirotrichus obsoletus | 7 | 5 | 0 | 2011 |
| Trichocellus cognatus | 2 | 2 | 1910 | 2001 |
| Trichocellus placidus | 45 | 29 | 0 | 2016 |
| Bradycellus caucasicus | 2 | 2 | 1992 | 1992 |
| Bradycellus harpalinus | 140 | 62 | 1897 | 2020 |
| Bradycellus ruficollis | 11 | 7 | 1897 | 2017 |
| Bradycellus sharpi | 6 | 5 | 1971 | 2016 |
| Bradycellus verbasci | 84 | 51 | 0 | 2020 |
| Stenolophus mixtus | 68 | 32 | 0 | 2019 |
| Stenolophus skrimshiranus | 4 | 3 | 1860 | 2019 |
| Stenolophus teutonus | 2 | 2 | 2018 | 2019 |
| Acupalpus dubius | 77 | 45 | 1860 | 2020 |
| Acupalpus exiguus | 4 | 3 | 1973 | 2013 |
| Acupalpus meridianus | 11 | 11 | 1986 | 2019 |
| Acupalpus parvulus | 29 | 19 | 0 | 2018 |
| Anthracus consputus | 24 | 10 | 1860 | 2020 |
| Chlaenius nigricornis | 4 | 3 | 1895 | 2019 |
| Chlaenius vestitus | 43 | 31 | 1945 | 2020 |
| Oodes helopioides | 1 | 1 | 2017 | 2017 |
| Licinus depressus | 3 | 3 | 1943 | 2020 |
| Badister bullatus | 165 | 122 | 0 | 2020 |
| Badister dilatatus | 8 | 8 | 0 | 2019 |
| Badister sodalis | 10 | 9 | 0 | 2018 |
| Badister unipustulatus | 10 | 9 | 1860 | 2019 |
| Panagaeus bipustulatus | 16 | 9 | 1893 | 2017 |
| Panagaeus cruxmajor | 23 | 8 | 1893 | 2017 |
| Masoreus wetterhallii | 1 | 1 | 1982 | 1982 |
| Lebia chlorocephala | 3 | 3 | 1843 | 2011 |
| Demetrias atricapillus | 420 | 244 | 1898 | 2020 |
| Demetrias imperialis | 14 | 8 | 1986 | 2017 |
| Demetrias monostigma | 26 | 11 | 0 | 2020 |
| Cymindis axillaris | 7 | 2 | 1913 | 1992 |
| Paradromius linearis | 351 | 190 | 0 | 2020 |
| Paradromius longiceps | 6 | 5 | 0 | 2007 |
| Dromius agilis | 4 | 4 | 1977 | 2015 |
| Dromius angustus | 4 | 3 | 1969 | 1988 |
| Dromius meridionalis | 49 | 38 | 1898 | 2020 |
| Dromius quadrimaculatus | 102 | 68 | 1886 | 2020 |
| Calodromius spilotus | 101 | 68 | 1900 | 2020 |
| Philorhizus melanocephalus | 173 | 110 | 0 | 2020 |
| Philorhizus notatus | 4 | 4 | 1898 | 1988 |
| Microlestes maurus | 41 | 28 | 1898 | 2018 |
| Microlestes minutulus | 5 | 5 | 2011 | 2020 |
| Syntomus foveatus | 122 | 67 | 0 | 2020 |
| Syntomus obscuroguttatus | 2 | 2 | 2007 | 2020 |
| Syntomus truncatellus | 28 | 22 | 0 | 2019 |
| Hydrophilidae | Records | Tetrads | First record | Last record |
| Helophorus aequalis | 172 | 112 | 0 | 2019 |
| Helophorus brevipalpis | 547 | 331 | 0 | 2020 |
| Helophorus dorsalis | 13 | 11 | 1908 | 2019 |
| Helophorus flavipes | 23 | 14 | 1900 | 2015 |
| Helophorus fulgidicollis | 64 | 27 | 0 | 2010 |
| Helophorus grandis | 190 | 130 | 0 | 2019 |
| Helophorus granularis | 9 | 5 | 1984 | 2005 |
| Helophorus griseus | 122 | 94 | 1908 | 2019 |
| Helophorus laticollis | 1 | 1 | 2008 | 2008 |
| Helophorus longitarsis | 1 | 1 | 1997 | 1997 |
| Helophorus minutus | 247 | 150 | 0 | 2019 |
| Helophorus nanus | 6 | 6 | 1908 | 2014 |
| Helophorus nubilus | 14 | 10 | 1893 | 1992 |
| Helophorus obscurus | 148 | 107 | 1984 | 2019 |
| Helophorus rufipes | 4 | 3 | 1907 | 1924 |
| Helophorus strigifrons | 10 | 8 | 1995 | 2009 |
| Helophorus tuberculatus | 6 | 1 | 1989 | 2012 |
| Georissus crenulatus | 1 | 1 | 1913 | 1913 |
| Hydrochus brevis | 1 | 1 | 1908 | 1908 |
| Hydrochus crenatus | 8 | 5 | 1984 | 2001 |
| Hydrochus elongatus | 20 | 9 | 1908 | 2014 |
| Hydrochus ignicollis | 5 | 3 | 1986 | 1986 |
| Anacaena bipustulata | 117 | 89 | 1908 | 2018 |
| Anacaena globulus | 759 | 453 | 0 | 2019 |
| Anacaena limbata | 652 | 351 | 1984 | 2020 |
| Anacaena lutescens | 139 | 75 | 1986 | 2019 |
| Berosus affinis | 23 | 14 | 1899 | 2019 |
| Berosus luridus | 10 | 6 | 1894 | 2014 |
| Berosus signaticollis | 21 | 12 | 1988 | 2019 |
| Chaetarthria seminulum | 14 | 14 | 2002 | 2019 |
| Chaetarthria simillima | 4 | 2 | 2006 | 2018 |
| Cymbiodyta marginellus | 125 | 76 | 0 | 2019 |
| Enochrus affinis | 44 | 15 | 1984 | 2017 |
| Enochrus bicolor | 37 | 20 | 0 | 2010 |
| Enochrus coarctatus | 41 | 21 | 1908 | 2019 |
| Enochrus fuscipennis | 2 | 2 | 1984 | 2015 |
| Enochrus halophilus | 48 | 22 | 0 | 2019 |
| Enochrus melanocephalus | 55 | 37 | 1893 | 2019 |
| Enochrus ochropterus | 14 | 12 | 0 | 2002 |
| Enochrus quadripunctatus | 11 | 8 | 1984 | 2019 |
| Enochrus testaceus | 163 | 105 | 0 | 2017 |
| Helochares lividus | 111 | 78 | 1900 | 2019 |
| Helochares punctatus | 72 | 22 | 1984 | 2017 |
| Hydrobius fuscipes | 729 | 365 | 0 | 2020 |
| Limnoxenus niger | 1 | 1 | 1904 | 1904 |
| Laccobius atratus | 2 | 2 | 2001 | 2011 |
| Laccobius bipunctatus | 347 | 211 | 0 | 2019 |
| Laccobius colon | 335 | 150 | 0 | 2019 |
| Laccobius minutus | 158 | 99 | 0 | 2019 |
| Laccobius sinuatus | 97 | 75 | 1938 | 2019 |
| Laccobius striatulus | 77 | 63 | 1897 | 2017 |
| Laccobius ytenensis | 2 | 2 | 1988 | 2019 |
| Coelostoma orbiculare | 25 | 16 | 1909 | 2019 |
| Cercyon analis | 7 | 7 | 1896 | 2016 |
| Cercyon bifenestratus | 6 | 5 | 1908 | 2014 |
| Cercyon convexiusculus | 127 | 86 | 1907 | 2016 |
| Cercyon haemorrhoidalis | 31 | 26 | 1893 | 2020 |
| Cercyon impressus | 19 | 14 | 0 | 2019 |
| Cercyon lateralis | 17 | 12 | 1908 | 2019 |
| Cercyon littoralis | 5 | 5 | 0 | 1995 |
| Cercyon marinus | 22 | 21 | 1984 | 2020 |
| Cercyon melanocephalus | 28 | 26 | 1893 | 2018 |
| Cercyon obsoletus | 2 | 2 | 2000 | 2019 |
| Cercyon pygmaeus | 16 | 14 | 1893 | 2019 |
| Cercyon quisquilius | 13 | 12 | 1900 | 2020 |
| Cercyon sternalis | 12 | 8 | 1995 | 2019 |
| Cercyon terminatus | 3 | 3 | 1908 | 2019 |
| Cercyon tristis | 33 | 21 | 1904 | 2019 |
| Cercyon unipunctatus | 25 | 19 | 0 | 2020 |
| Cercyon ustulatus | 34 | 25 | 1909 | 2012 |
| Megasternum concinnum | 78 | 62 | 1906 | 2020 |
| Cryptopleurum minutum | 18 | 14 | 1894 | 2015 |
| Sphaeridium bipustulatum | 19 | 16 | 1893 | 2019 |
| Sphaeridium lunatum | 34 | 28 | 1989 | 2019 |
| Sphaeridium scarabaeoides | 35 | 30 | 1892 | 2019 |
| Histeridae | Records | Tetrads | First record | Last record |
| Abraeus granulum | 14 | 3 | 1996 | 1998 |
| Abraeus perpusillus | 25 | 9 | 1912 | 2017 |
| Plegaderus dissectus | 7 | 6 | 1977 | 2017 |
| Acritus nigricornis | 4 | 3 | 0 | 1992 |
| Saprinus aeneus | 9 | 6 | 1907 | 1996 |
| Saprinus immundus | 1 | 1 | 0 | 0 |
| Saprinus planiusculus | 1 | 1 | 0 | 0 |
| Saprinus semistriatus | 30 | 22 | 1896 | 2017 |
| Saprinus virescens | 2 | 2 | 1907 | 1912 |
| Hypocaccus dimidiatus | 1 | 1 | 1899 | 1899 |
| Hypocaccus metallicus | 2 | 2 | 1882 | 1897 |
| Gnathoncus buyssoni | 1 | 1 | 1983 | 1983 |
| Gnathoncus communis | 4 | 1 | 2013 | 2013 |
| Gnathoncus nannetensis | 2 | 2 | 0 | 2014 |
| Gnathoncus rotundatus | 1 | 1 | 0 | 0 |
| Dendrophilus punctatus | 4 | 3 | 1860 | 2001 |
| Kissister minimus | 7 | 7 | 1909 | 2016 |
| Carcinops pumilio | 19 | 13 | 1959 | 2019 |
| Paromalus flavicornis | 37 | 14 | 1909 | 2019 |
| Onthophilus striatus | 20 | 14 | 1899 | 2018 |
| Margarinotus brunneus | 35 | 24 | 0 | 2018 |
| Margarinotus carbonarius | 7 | 5 | 1996 | 2011 |
| Margarinotus marginatus | 4 | 4 | 1994 | 2011 |
| Margarinotus merdarius | 15 | 11 | 1943 | 2018 |
| Margarinotus neglectus | 2 | 2 | 2015 | 2016 |
| Margarinotus purpurascens | 6 | 5 | 1995 | 2011 |
| Margarinotus striola | 7 | 6 | 1969 | 2017 |
| Margarinotus ventralis | 22 | 20 | 1897 | 2019 |
| Hister unicolor | 15 | 14 | 1893 | 2017 |
| Atholus bimaculatus | 7 | 7 | 1898 | 2019 |
| Atholus duodecimstriatus | 10 | 8 | 1912 | 2019 |
| Hydraenidae | Records | Tetrads | First record | Last record |
| Hydraena britteni | 3 | 3 | 2001 | 2012 |
| Hydraena gracilis | 19 | 18 | 1993 | 2018 |
| Hydraena nigrita | 23 | 21 | 1989 | 2012 |
| Hydraena palustris | 1 | 1 | 2014 | 2014 |
| Hydraena riparia | 227 | 161 | 1908 | 2019 |
| Hydraena rufipes | 3 | 2 | 1970 | 2008 |
| Hydraena testacea | 54 | 41 | 1984 | 2016 |
| Limnebius nitidus | 99 | 72 | 1907 | 2012 |
| Limnebius papposus | 69 | 55 | 1908 | 2014 |
| Limnebius truncatellus | 71 | 55 | 1908 | 2011 |
| Ochthebius auriculatus | 10 | 9 | 1896 | 2018 |
| Ochthebius bicolon | 15 | 14 | 1893 | 2012 |
| Ochthebius dilatatus | 131 | 78 | 0 | 2019 |
| Ochthebius marinus | 50 | 27 | 0 | 2020 |
| Ochthebius minimus | 354 | 221 | 1907 | 2019 |
| Ochthebius nanus | 8 | 4 | 1907 | 2014 |
| Ochthebius poweri | 2 | 2 | 1999 | 2019 |
| Ochthebius pusillus | 3 | 3 | 2002 | 2016 |
| Ochthebius viridis | 26 | 10 | 0 | 2010 |
| Ptiliidae | Records | Tetrads | First record | Last record |
| Nossidium pilosellum | 2 | 2 | 1981 | 2016 |
| Ptenidium formicetorum | 1 | 1 | 1996 | 1996 |
| Ptenidium fuscicorne | 2 | 2 | 1981 | 2016 |
| Ptenidium gressneri | 1 | 1 | 1998 | 1998 |
| Ptenidium intermedium | 1 | 1 | 1993 | 1993 |
| Ptenidium laevigatum | 4 | 2 | 1997 | 2006 |
| Ptenidium nitidum | 6 | 6 | 1959 | 1996 |
| Ptenidium pusillum | 20 | 14 | 1909 | 2018 |
| Ptiliolum fuscum | 1 | 1 | 1996 | 1996 |
| Ptilium exaratum | 1 | 1 | 1984 | 1984 |
| Ptinella aptera | 5 | 3 | 1959 | 1971 |
| Ptinella cavelli | 1 | 1 | 2013 | 2013 |
| Ptinella errabunda | 9 | 5 | 1977 | 2014 |
| Pteryx suturalis | 1 | 1 | 0 | 0 |
| Nephanes titan | 3 | 3 | 0 | 1996 |
| Smicrus filicornis | 1 | 1 | 1985 | 1985 |
| Acrotrichis atomaria | 9 | 8 | 1959 | 2016 |
| Acrotrichis cognata | 3 | 3 | 1971 | 1996 |
| Acrotrichis danica | 9 | 6 | 1996 | 2016 |
| Acrotrichis dispar | 1 | 1 | 0 | 0 |
| Acrotrichis fascicularis | 14 | 12 | 1979 | 2016 |
| Acrotrichis grandicollis | 2 | 2 | 1907 | 1996 |
| Acrotrichis henrici | 2 | 1 | 1996 | 1996 |
| Acrotrichis insularis | 2 | 2 | 1996 | 1996 |
| Acrotrichis intermedia | 16 | 14 | 1898 | 2017 |
| Acrotrichis lucidula | 2 | 2 | 1988 | 1996 |
| Acrotrichis montandonii | 4 | 4 | 0 | 1996 |
| Acrotrichis norvegica | 1 | 1 | 1981 | 1981 |
| Acrotrichis parva | 1 | 1 | 1979 | 1979 |
| Acrotrichis rosskotheni | 3 | 2 | 1996 | 1996 |
| Acrotrichis sericans | 8 | 7 | 0 | 1996 |
| Acrotrichis sitkaensis | 4 | 4 | 1980 | 2016 |
| Acrotrichis strandi | 1 | 1 | 1996 | 1996 |
| Acrotrichis thoracica | 1 | 1 | 1996 | 1996 |
| Leiodidae | Records | Tetrads | First record | Last record |
| Hydnobius punctatus | 3 | 2 | 0 | 1908 |
| Leiodes calcarata | 14 | 12 | 1896 | 2016 |
| Leiodes furva | 2 | 2 | 0 | 1908 |
| Leiodes litura | 7 | 7 | 0 | 2015 |
| Leiodes rufipennis | 1 | 1 | 1998 | 1998 |
| Leiodes strigipennis | 1 | 1 | 1912 | 1912 |
| Liocyrtusa minuta | 1 | 1 | 1993 | 1993 |
| Colenis immunda | 4 | 4 | 0 | 1995 |
| Anisotoma humeralis | 32 | 20 | 1899 | 2019 |
| Anisotoma orbicularis | 3 | 3 | 1867 | 1910 |
| Amphicyllis globus | 3 | 3 | 0 | 1909 |
| Agathidium atrum | 6 | 5 | 0 | 2016 |
| Agathidium convexum | 2 | 2 | 1995 | 1995 |
| Agathidium laevigatum | 10 | 10 | 1897 | 2016 |
| Agathidium nigrinum | 1 | 1 | 1909 | 1909 |
| Agathidium nigripenne | 9 | 7 | 1908 | 2014 |
| Agathidium pisanum | 1 | 1 | 1996 | 1996 |
| Agathidium rotundatum | 3 | 3 | 1908 | 2018 |
| Agathidium seminulum | 1 | 1 | 1996 | 1996 |
| Agathidium varians | 20 | 18 | 0 | 2018 |
| Colon appendiculatum | 1 | 1 | 1971 | 1971 |
| Colon brunneum | 3 | 3 | 1867 | 1984 |
| Colon dentipes | 2 | 2 | 1910 | 1913 |
| Colon latum | 1 | 1 | 1971 | 1971 |
| Colon serripes | 1 | 1 | 1867 | 1867 |
| Nargus velox | 30 | 25 | 0 | 2016 |
| Nargus wilkinii | 8 | 8 | 0 | 1996 |
| Choleva agilis | 5 | 5 | 1907 | 2016 |
| Choleva angustata | 50 | 31 | 0 | 2020 |
| Choleva cisteloides | 1 | 1 | 1997 | 1997 |
| Choleva fagniezi | 7 | 6 | 1910 | 1995 |
| Choleva glauca | 7 | 4 | 1988 | 2003 |
| Choleva jeanneli | 11 | 8 | 1995 | 2019 |
| Choleva oblonga | 2 | 2 | 1988 | 1988 |
| Choleva spadicea | 3 | 2 | 0 | 1971 |
| Sciodrepoides fumatus | 16 | 15 | 1909 | 2014 |
| Sciodrepoides watsoni | 35 | 22 | 1907 | 2020 |
| Catops chrysomeloides | 21 | 19 | 0 | 2020 |
| Catops coracinus | 17 | 14 | 1910 | 2015 |
| Catops fuliginosus | 17 | 15 | 1909 | 2013 |
| Catops fuscus | 2 | 2 | 1913 | 1969 |
| Catops grandicollis | 21 | 18 | 1899 | 2019 |
| Catops kirbii | 6 | 5 | 1900 | 2011 |
| Catops morio | 14 | 10 | 1910 | 2016 |
| Catops nigricans | 26 | 19 | 1907 | 2019 |
| Catops nigrita | 12 | 11 | 1969 | 1999 |
| Catops tristis | 33 | 22 | 0 | 2019 |
| Catopidius depressus | 1 | 1 | 1994 | 1994 |
| Parabathyscia wollastoni | 1 | 1 | 2001 | 2001 |
| Ptomaphagus medius | 10 | 9 | 0 | 2018 |
| Ptomaphagus subvillosus | 33 | 25 | 0 | 2019 |
| Ptomaphagus varicornis | 1 | 1 | 1943 | 1943 |
| Scydmaenidae | Records | Tetrads | First record | Last record |
| Eutheia scydmaenoides | 1 | 1 | 2002 | 2002 |
| Neuraphes angulatus | 1 | 1 | 1995 | 1995 |
| Neuraphes elongatulus | 1 | 1 | 1953 | 1953 |
| Scydmoraphes sparshalli | 1 | 1 | 1867 | 1867 |
| Stenichnus collaris | 15 | 15 | 1909 | 2016 |
| Stenichnus scutellaris | 6 | 6 | 2006 | 2016 |
| Scydmaenus tarsatus | 7 | 5 | 0 | 2011 |
| Silphidae | Records | Tetrads | First record | Last record |
| Necrodes littoralis | 91 | 41 | 0 | 2020 |
| Thanatophilus rugosus | 60 | 37 | 1883 | 2019 |
| Thanatophilus sinuatus | 29 | 19 | 1897 | 2019 |
| Oiceoptoma thoracicum | 83 | 40 | 0 | 2020 |
| Aclypea opaca | 7 | 5 | 1899 | 2013 |
| Aclypea undata | 1 | 1 | 1948 | 1948 |
| Dendroxena quadrimaculata | 13 | 6 | 0 | 2019 |
| Silpha atrata | 360 | 128 | 1883 | 2020 |
| Silpha laevigata | 1 | 1 | 2018 | 2018 |
| Silpha obscura | 5 | 4 | 1943 | 2011 |
| Silpha tristis | 32 | 19 | 1909 | 2020 |
| Nicrophorus humator | 474 | 103 | 0 | 2020 |
| Nicrophorus interruptus | 3 | 3 | 2007 | 2019 |
| Nicrophorus investigator | 317 | 80 | 1883 | 2020 |
| Nicrophorus vespillo | 76 | 44 | 0 | 2020 |
| Nicrophorus vespilloides | 96 | 47 | 1883 | 2019 |
| Nicrophorus vestigator | 3 | 3 | 1988 | 1991 |
The Lincolnshire Naturalists' Union 