Megarthrus depressus, Gravenhorst, 1802

Herman, Lee H., 2001, Catalog of the Staphylinidae (Insecta: Coleoptera). 1758 to the End of the Second Millennium. I. Introduction, History, Biographical Sketches, and Omaliine Group, Bulletin of the American Museum of Natural History 2001 (265), pp. 1-650 : 1-650

depressus Gravenhorst, 1802 , see: Xylodromus .

deubeli Bernhauer, 1915 j: 263 ( Omalium ; Type locality: am Bucsecs und im Rodnaergebirge in Siebenbürgen).

— Bernhauer, 1923d: 180 ( Omalium ; characters; Siebenbürgen).

— Roubal, 1930: 308 ( Omalium ; characters; Slovakia).

— Scheerpeltz, 1933: 1044 ( Omalium ; catalog).

— Lohse, 1964: 44 ( Omalium ; characters; central Europe).

— Tóth, 1982: 62 ( Omalium ; characters).

— Lucht, 1987: 87 ( Omalium ; checklist; Czechoslovakia).

— Boháč, 1993: 41 ( Omalium ; Slovakia).

- DISTRIBUTION: Romania, Slovakia.

diffine Sharp, 1889: 474 ( Omalium ; Type locality: Hitoyoshi).

— Bernhauer and Schubert, 1910: 52 ( Omalium ; subgenus Omalium ; catalog).

— Watanabe, 1961: 349 ( Omalium ; Izu Islands).

— Watanabe and Shibata, 1972: 60 ( Omalium ; Yaku-shima Island).

— Watanabe, 1990: 99 ( Omalium ; characters; Japan).

- DISTRIBUTION: Japan.

diffusum Fauvel, 1878 , see: Acrolocha .

distincticorne Baudi, 1870 , see: Dialycera .

distigma Bernhauer, 1922: 2 ( Omalium ; Type locality: Bolivien: Yuracaris ).

— Scheerpeltz, 1933: 1044 ( Omalium ; catalog).

- DISTRIBUTION: Bolivia.

divergens Mäklin, 1878 , see: Mannerheimia .

doderoi Zanetti, 1980 a: 135 ( Omalium ; Type locality: Sardegna: Monti, prov. di Sassari).

— Zanetti, 1987: 220 ( Omalium ; characters; Italy).

— Zanetti, 1995: 7 ( Omalium ; Italy).

- DISTRIBUTION: Italy.

edwardsi Bernhauer, 1937b: 580 ( Omalium ; Type locality: Uganda: Kigezi Dist. , Canaba Cap, 7500 ft.).

— Bernhauer, 1940: 132 ( Omalium ; Uganda).

- DISTRIBUTION: Uganda.

elegans Kraatz, 1857 , see: Phyllodrepa .

escayraci Saulcy, 1864: 659 ( Omalium ; Type locality: Jérusalem).

— Luze, 1906: 521 ( Omalium ; characters; Cyprus; Syria).

— Bernhauer and Schubert, 1910: 53 ( Omalium ; subgenus Omalium ; catalog).

- DISTRIBUTION: Israel, Cyprus.

espanoli Jarrige, 1952: 86 ( Omalium , cited as Homalium ; Type locality: la Cova Andrichol, Majorque).

— Pons and Palmer, 1996: 163 ( Omalium ; Balearic endemic; notes; habitat; Mallorca).

- DISTRIBUTION: Balearic Islands.

excavatum Stephens, 1834: 355 ( Omalium ; Type locality: Suffolk; vicinity of London ).

— Gyllenhal, 1810: 215 ( Omalium ; [Note: Misidentification: Bernhauer and Schubert, 1910: 53 cited caesum Gyllenhal as a synonym of excavatum ; Gyllenhal did not describe the species as new, he attributed it to Gravenhorst]).

— Gyllenhal, 1827: 466 ( Omalium ; [Note: Presumably a misidentification of caesum ]).

— Stephens, 1839: 430 ( Omalium ; characters; England).

— G. Waterhouse, 1858: 31 ( Omalium ; synonym of fossulatum ).

— Fauvel, 1871a: 101 [= 1872: 75] ( Omalium , cited as Homalium ; characters; France).

— Fowler, 1888: 415 ( Omalium , cited as Homalium ; characters; Britain).

— Ganglbauer, 1895: 736 ( Omalium ; characters; Europe).

— Fauvel, 1902b: 54 ( Omalium , cited as Homalium ; Morocco; Algeria).

— Poppius, 1905: 12 ( Omalium ; Orkney Islands).

— Luze, 1906: 544 ( Omalium ; characters; Europe).

— Sainte-Claire Deville, 1906: 69 ( Omalium , cited as Homalium ; Corsica).

— Reitter, 1909: 192 ( Omalium ; characters; Germany).

— Bernhauer and Schubert, 1910: 53 ( Omalium ; subgenus Omalium ; catalog).

— Johansen, 1914: 612 ( Omalium ; characters; Denmark).

— Henriksen and Lundbeck, 1918: 499 ( Omalium ; Greenland).

— Portevin, 1929: 447 ( Omalium ; characters; France).

— Bernhauer, 1931e: 9 ( Omalium ; Spain).

— Scheerpeltz, 1933: 1044 ( Omalium ; catalog).

— West, 1937: 47 ( Omalium ; Faroe Islands).

— Henriksen, 1939: 43 ( Omalium ; Greenland).

— C. Koch, 1941: 54 ( Omalium ; Morocco).

— Scheerpeltz and Höfler, 1948: 152 ( Omalium ; fungus inhabitant).

— Palm, 1948: 82 ( Omalium ; characters; Sweden; Denmark; Norway; Finland).

— Jeannel and Jarrige, 1949: 312 ( Omalium ; cave species; France; Spain).

— Larsson and Gígja, 1959: 63 ( Omalium ; biological notes; Iceland).

— Scheerpeltz, 1960d: 133 ( Omalium ; Portugal).

— Scheerpeltz, 1961d: 117 ( Omalium ; Italy).

— Horion, 1963: 88 ( Omalium ; Scotland; Lapland; Kola Peninsula; Iberian Peninsula; Corsica; Sardinia; Italy; Bosnia Hercegovina; Germany; Austria).

— Lohse, 1964: 45 ( Omalium ; characters; central Europe).

— Scheerpeltz, 1965b: 392 ( Omalium ; Sicily).

— Coiffait, 1968c: 505 ( Omalium ; Corsica).

— Szujecki, 1968a: 711 ( Omalium ; Poland).

— Steel, 1970a: 13 ( Omalium ; biological notes).

— Ashworth, 1972: 214 ( Omalium ; late-glacial subfossil; Britain).

— Pope, 1977: 23 ( Omalium ; Britain).

— Hammond, 1980: 138 ( Omalium ; Ireland).

— Tóth, 1982: 62 ( Omalium ; characters; Hungary).

— Frank, 1982: 9 ( Omalium ; list of parasites).

— Zanetti, 1987: 239 ( Omalium ; characters; Italy).

— Lucht, 1987: 87 ( Omalium ; checklist; Germany; Poland; Czechoslovakia; Austria; Switzerland; France; Benelux; Denmark).

— Boháč, 1993: 41 ( Omalium ; Slovakia; Czech Republic).

— Hernández, Outerelo, and Gamarra, 1994: 192 ( Omalium ; Canary Island).

— Sadler and Dugmore, 1995: 144 ( Omalium ; habitat notes; Iceland).

— Zanetti, 1995: 7 ( Omalium ; Italy).

— Cibuļskis, 1998: 67 ( Omalium ; Latvia).

— Tronquet, 1998a: 114 ( Omalium ; collected from marmot burrow; France).

— Zanetti and Sabella, 1998: 30 ( Omalium ; Sicily).

— Outerelo, Gamarra, and Salgado, 1998: 123 ( Omalium ; collected from cave; Spain; Portugal).

— Cibuļskis, 1999: 34 ( Omalium ; list; Latvia).

— Assing and Wunderle, 1999: 435 ( Omalium ; collecting notes; Canary Islands).

— Assing, 2000b: 115 ( Omalium ; collecting notes; Canary Islands).

— Marchal and Chardonnet, 2000: 71 ( Omalium ; Corsica).

- DISTRIBUTION: Greenland, Iceland, Faroe Islands, Orkney Islands, Europe, Russia, Morocco, Algeria, Canary Islands.

fossulatum Erichson, 1839 a: 630 ( Omalium ; [Note: Erichson cited caesum Gyllenhal as a synonym of fossulatum but Gyllenhal’s use was a misidentification]; Type locality: Mark Brandenburg).

— Heer, 1839: 176 ( Omalium ; characters; Switzerland).

— Kiesenwetter, 1851a: 435 ( Omalium ; France).

— Hardy, 1851: 59 ( Omalium ; notes; England).

— Thomson, 1857a: 225 ( Omalium ; characters).

— Fairmaire and Laboulbène, 1856: 640 ( Omalium ; characters; France).

— Staudinger, 1857: 287 ( Omalium ; notes; Iceland).

— Redtenbacher, 1857: 251 ( Omalium ; characters; Austria).

— Kraatz, 1857d: 979 ( Omalium ; characters; Germany).

— Thomson, 1861: 213 ( Omalium ; characters; Scandinavia).

— Hochhuth, 1862: 103 ( Omalium ; Russia).

— Fauvel, 1869: 494 ( Omalium , cited as Homalium ; synonym of excavatum ).

— Fauvel, 1871a: 101 [= 1872: 75] ( Omalium , cited as Homalium ; synonym of excavatum ).

— Redtenbacher, 1874: 275 ( Omalium ; characters; Austria).

— Seidlitz, 1875: 234 ( Omalium ; characters; Baltic region).

— J. Sahlberg, 1876: 221 ( Omalium ; synonym of excavatum ).

— Mulsant and Rey, 1880: 218 ( Omalium ; characters; France).

— Ganglbauer, 1895: 736 ( Omalium ; synonym of excavatum ).

— Luze, 1906: 544 ( Omalium ; synonym of excavatum ).

— Bernhauer and Schubert, 1910: 53 ( Omalium ; synonym of excavatum ).

— Scheerpeltz, 1933: 1045 ( Omalium ; synonym of excavatum ).

— Zanetti, 1987: 239 ( Omalium ; synonym of excavatum ).

conformatum Hardy, 1851: 59 ( Omalium ; Type locality: Ravensworth woods; South Shields ; Berwickshire; near London).

— Fauvel, 1871a: 101 [= 1872: 75] ( Omalium , cited as Homalium ; synonym of excavatum ).

— Ganglbauer, 1895: 737 ( Omalium ; synonym of excavatum ).

— Luze, 1906: 544 ( Omalium ; synonym of excavatum ).

— Bernhauer and Schubert, 1910: 53 ( Omalium ; synonym of excavatum ).

brachypterum C. Koch, 1940: 373 ( Omalium ; subspecies of excavatum ; [preoccupied]; Type locality: Lazio, Filettino).

— Zanetti, 1987: 239 ( Omalium ; synonym of excavatum ).

excellens Bernhauer, 1903 , see: falsum Eppelsheim, 1889 .

exiguum Gyllenhal, 1810: 218 ( Omalium ; Type locality: Suecica).

— Gyllenhal, 1827: 466 ( Omalium ).

— Zetterstedt, 1828: 51 ( Omalium ; characters; Lapland).

— Mannerheim, 1830: 53 ( Anthobium ; Finland).

— Mannerheim, 1831: 467 ( Anthobium ; Finland).

— Stephens, 1834: 350 ( Omalium ; characters; England).

— Zetterstedt, 1838: 51 ( Omalium ; characters; habitat; Lapland; Sweden).

— Stephens, 1839: 428 ( Omalium ; characters; England).

— Erichson, 1840: 876 ( Omalium ; characters; Germany).

— Redtenbacher, 1849: 829 ( Omalium ; characters; Austria).

— Hardy, 1851: 59 ( Omalium ; notes; England).

— Thomson, 1857a: 225 ( Omalium ; characters).

— Fairmaire and Laboulbène, 1856: 640 ( Omalium ; characters; France).

— Redtenbacher, 1857: 251 ( Omalium ; characters; Austria).

— Kraatz, 1857d: 984 ( Omalium ; characters; Germany).

— Thomson, 1861: 213 ( Omalium ; characters; Scandinavia).

— Fauvel, 1871a: 98 [= 1872: 72] ( Omalium , cited as Homalium ; characters; France; Scandinavia; Britain; Germany).

— Redtenbacher, 1874: 275 ( Omalium ; characters; Austria).

— Seidlitz, 1875: 234 ( Omalium ; characters; Baltic region).

— J. Sahlberg, 1876: 222 ( Omalium ; Finland).

— Mulsant and Rey, 1880: 212 ( Omalium ; characters; France).

— Fowler, 1888: 414 ( Omalium , cited as Homalium ; characters; Britain).

— Ganglbauer, 1895: 736 ( Omalium ; characters; north and middle Europe). — Reitter, 1909: 191 ( Omalium ; characters; Germany).

— Bernhauer and Schubert, 1910: 53 ( Omalium ; subgenus Omalium ; catalog).

— Johansen, 1914: 611 ( Omalium ; characters; Denmark).

— Portevin, 1929: 446 ( Omalium ; characters; France).

— Scheerpeltz, 1933: 1045 ( Omalium ; catalog).

— Palm, 1948: 80 ( Omalium ; characters; Sweden; Denmark; Norway; Finland).

— Horion, 1963: 83 ( Omalium ; Britain; Norway; Sweden; Finland; Denmark; Holland; Belgium Switzerland; France; Spain; Sardinia; Italy; Slovakia; Czech Republic; Germany; Austria).

— Lohse, 1964: 44 ( Omalium ; characters; central Europe).

— Smetana, 1964d: 53 ( Omalium ; Czechoslovakia).

— Pope, 1977: 23 ( Omalium ; Britain).

— Hammond, 1980: 138 ( Omalium ; Ireland).

— Tóth, 1982: 62 ( Omalium ; characters).

— Zanetti, 1985: 29 ( Omalium ; characters).

— Zanetti, 1987: 225 ( Omalium ; characters; Italy).

— Lucht, 1987: 87 ( Omalium ; checklist; Germany; Poland; Czechoslovakia; Austria; Benelux; Denmark).

— Zanetti, 1995: 7 ( Omalium ; Italy).

— Schülke and Uhlig, 1988: 2 ( Omalium ; notes; Germany).

— Wittwer, 1993: 248 ( Omalium ; Switzerland).

— Boháč, 1993: 41 ( Omalium ; Slovakia; Czech Republic).

- DISTRIBUTION: Europe.

exsculptum Mäklin, 1852, see: Acrolocha .

fahraei Zetterstedt, 1838, see: Phyllodrepa .

falsum Eppelsheim, 1889d: 21 ( Omalium , cited as Homalium ; Type locality: Circassien; Ach-Bulach; Caspimeer-Gebiet bei Liryk).

— Bernhauer and Schubert, 1910: 53 ( Omalium ; subgenus Omalium ; catalog).

— Tikhomirova, 1973a: 138 ( Omalium ; checklist; Caucasus; Central Asia).

- DISTRIBUTION: Russia, Caspian region.

excellens Bernhauer, 1903b: 190 ( Omalium ; Type locality: Caspi-Meergebiet, Rasano).

— Bernhauer, 1903c: 592 ( Omalium ; synonym of falsum ).

— Luze, 1906: 491 ( Omalium ; synonym of falsum ).

— Bernhauer and Schubert, 1910: 53 ( Omalium ; subgenus Omalium ; synonym of falsum ). faustum Sharp, 1887: 746 ( Omalium ; Type locality: Panama, Bugaba).

— Bernhauer and Schubert, 1910: 53 ( Omalium ; subgenus Omalium ; catalog).

- DISTRIBUTION: Panama.

fenestrale Zetterstedt, 1828 , see: Porrhodites .

ferrugineum Kraatz, 1857d: 980 ( Omalium ; Type locality: Brocken).

— Redtenbacher, 1857: 994 ( Omalium ; characters; Germany).

— Fauvel, 1871a: 100 [= 1872: 74] ( Omalium , cited as Homalium ; characters; Germany; Carpathians; Tatra region; Sudeten).

— Redtenbacher, 1874: 277 ( Omalium ; characters).

— Ganglbauer, 1895: 737 ( Omalium ; characters; Europe).

— Fauvel, 1897c: 230 ( Omalium , cited as Homalium ; characters).

— Luze, 1906: 533 ( Omalium ; characters; Germany; Sudeten; Carpathians).

— Reitter, 1909: 192 ( Omalium ; characters; Germany).

— Bernhauer and Schubert, 1910: 53 ( Omalium ; subgenus Omalium ; catalog).

— Scheerpeltz, 1933: 1045 ( Omalium ; catalog).

— Lohse, 1960a: 33 ( Omalium ; characters).

— Smetana, 1960b: 258 ( Omalium ; Czechoslovakia).

— Horion, 1963: 85 ( Omalium ; Bosnia; Romania; Hungary; Slovakia; Poland; Austria; Germany). — Lohse, 1964: 45 ( Omalium ; characters; central Europe).

— Tóth, 1982: 63 ( Omalium ; characters; Hungary).

— Lucht, 1987: 87 ( Omalium ; checklist; Germany; Poland; Czechoslovakia; Austria).

— Boháč, 1993: 41 ( Omalium ; Slovakia; Czech Republic).

— Zanetti, 1995: 7 ( Omalium ; Italy).

- DISTRIBUTION: Europe.

filiformis Walker, 1858 , see: Nacaeus .

fimetarium Mannerheim, 1830 , see: Anthobium .

flavicorne Roubal, 1930 , see: caesum Gravenhorst, 1806 .

flavidum Hamilton, 1895: 347 ( Omalium , cited as Homalium ; Type locality: Pennsylvania: near St. Vincent; [Note: See lectotype designation by Thayer, 1992]).

— Bernhauer and Schubert, 1910: 53 ( Omalium ; subgenus Omalium ; catalog).

— Thayer, 1992 (“ Omalium ”; generic placement incorrect; sexual wing dimorphism; discussion of wing dimorphism; redescription; lectotype designation; Ontario; Quebec; Maine; Maryland; Massachusetts; New Hampshire; New York; Pennsylvania) .

— Downie and Arnett, 1996: 437 ( Omalium ; characters; USA).

— Newton, Thayer, Ashe, and Chandler, 2000: 336 (Carcinocephlus?).

- DISTRIBUTION: Canada; USA.

flavipalpi Broun, 1909: 228 ( Omalium ; Type locality: Broken River) .

— Scheerpeltz, 1933: 1045 ( Omalium ; cited as flavipalpis ; catalog).

— Watson, 1967: 36 ( Stenomalium ; synonym of sulcithorax ).

— Thayer, 1996: 159 (“ Stenomalium ”; not in Stenomalium ; probably a synonym of cognatum ).

- DISTRIBUTION: New Zealand.

flavipenne Mäklin, 1853 , see: Phloeonomus .

foraminosum Mäklin, 1852: 321 ( Omalium ; Type locality: insula Sitkha).

— Fauvel, 1878d: 217 [= 1878e: 53] ( Omalium , cited as Homalium ; characters; Alaska;

Lake Superior ; Michigan).

— Bernhauer and Schubert, 1910: 53 ( Omalium ; subgenus Omalium ; catalog).

— Notman, 1919a: 96 ( Omalium , cited as Homalium ; Ontario).

— Fall, 1926: 145 ( Omalium ; Yukon Territory).

— Scheerpeltz, 1933: 1045 ( Omalium ; catalog).

— Hatch, 1957: 80 ( Omalium ; characters; British Columbia ; Washington).

- DISTRIBUTION: Canada, USA.

foraminosum Scriba, 1866 , see: rivulare Paykull, 1789 .

fortepunctatum Fagel, 1956: 13 ( Omalium ; Type locality: Congo Belge: Kivu, Mt. Muhi , ruisseau Isale, 3025 m).

- DISTRIBUTION: Congo.

fossulatum Erichson, 1839 , see: excavatum Stephens, 1834 .

foveolatum Stephens, 1834 , see: Phloeonomus .

fractum Fauvel, 1878 , see: Acrolocha .

fucicola Kraatz, 1857 , see: laeviusculum Gyllenhal, 1826 .

fuistingi Reitter, 1895 , see: validum Kraatz, 1857 .

funebre Fauvel, 1871 a: 99 [= 1872: 73] ( Omalium , cited as Homalium ; Type locality:

Hautes Pyrénées).

— Mulsant and Rey, 1880: 213 ( Omalium ; characters; France).

— Luze, 1906: 527 ( Omalium ; characters; Pyrenees; Austria; Transylvania).

— Bernhauer and Schubert, 1910: 53 ( Omalium ; subgenus Omalium ; catalog).

— Portevin, 1929: 446 ( Omalium ; characters; France).

— Scheerpeltz, 1933: 1045 ( Omalium ; catalog).

— Horion, 1935: 174 ( Omalium ; characters; Pyrenees; Balkans; Austria).

— Horion, 1963: 82 ( Omalium ; France; Sardinia; Italy; Switzerland; Romania; Slovakia; Germany; Austria).

— Tóth, 1982: 61 ( Omalium ; characters).

— Zanetti, 1984: 76 ( Omalium ; Bulgaria).

— Zanetti, 1985: 27 ( Omalium ; characters).

— Zanetti, 1987: 224 ( Omalium ; characters; Italy).

— Lucht, 1987: 87 ( Omalium ; checklist; Germany; Czechoslovakia; Austria).

— Boháč, 1993: 41 ( Omalium ; Slovakia).

— Zanetti, 1995: 7 ( Omalium ; Italy).

- DISTRIBUTION: Italy, France, Germany, Switzerland, Austria, Slovakia, Romania, Bulgaria.

fuscipenne Heer, 1839 , see: Eusphalerum .

fusciventre Broun, 1894 , see: Stenomalium .

fuscum Gravenhorst, 1806 , see: Olophrum .

fuscum Stephens, 1834: 355 ( Omalium ; [preoccupied]; Type locality: London).

— Stephens, 1839: 430 ( Omalium ; characters; England).

— Herman, 2001: 38 ( Omalium ; nomen dubium; although a junior primary homonym, it is suggested that the required replacement be ignored and prevailing use as valid maintained pending outcome of application to Commission under Article 23.9.5).

- DISTRIBUTION: Britain.

gartneri Coiffait, 1982: 153 ( Omalium ; Type locality: Inde: Karakorum , Naltar Tal,

Umg. Jagot).

- DISTRIBUTION: India.

gayndahense W. J. MacLeay, 1873 , see: Paraphloeostiba .

gedyei Bernhauer, 1940: 132 ( Omalium ; Type locality: Kenya: West Aberdare Mts. , 10–11,000 ft.).

- DISTRIBUTION: Kenya.

genalis Broun, 1880 , see: Ischnoderus .

genistarum Coquerel, 1860 , see: allardii Fairmaire and Brisout, 1859 .

gracilicorne Fairmaire and Laboulbène, 1856 , see: Phyllodrepa .

gridellii Bernhauer, 1937b: 579 ( Omalium ; Type locality: Uganda: Bussu Busoga ).

- DISTRIBUTION: Uganda.

granulatum Wollaston, 1854 , see: Phloeonomus .

gyllenhalii C. Sahlberg, 1830 , see: Eucnecosum .

hamatum Fauvel, 1878 , see: Hapalaraea .

hampei Redtenbacher, 1857 , see: Acrolocha .

hebes Broun, 1880: 116 ( Omalium ; Type locality: Whangarei Harbour).

— Bernhauer and Schubert, 1910: 54 ( Omalium ; subgenus Omalium ; catalog).

- DISTRIBUTION: New Zealand.

helmsi Cameron, 1945 , see: Stenomalium .

henroti Coiffait, 1976b: 96 ( Omalium ; Type locality: Chypre: Platania ).

— Assing and Wunderle, 2001: 36 ( Omalium ; Cyprus).

- DISTRIBUTION: Cyprus.

hiemale Fuss, 1868 , see: Phyllodrepa .

hilare Gistel, 1857: 30 ( Omalium ; [Note: Nomen dubium]; Type locality: Styria).

- DISTRIBUTION: Austria.

hilarum Broun, 1914 , see: Brouniellum .

holtzi Bernhauer, 1943: 72 ( Omalium ; Type locality: Morea: Kalavryta ).

- DISTRIBUTION: Greece.

humerale Cameron, 1924b: 167 ( Omalium ; Type locality: Chakrata District ; Korawa Khud, 9100 feet).

— Cameron, 1930: 139 ( Omalium ; characters; India).

— Scheerpeltz, 1933: 1045 ( Omalium ; catalog).

- DISTRIBUTION: India.

humerosum Fauvel, 1878 , see: Hapalaraea .

humile Mäklin, 1853 , see: Hapalaraea .

hypsibioticum Gistel, 1857: 30 ( Omalium ; [Note: Nomen dubium]; Type locality: Styria). - DISTRIBUTION: Austria .

imhoffi Heer, 1839 , see: Eusphalerum .

imitator Luze, 1906: 534 ( Omalium ; Type locality: Nordungarn, Pressburg; Südungarn, Mehadia).

— Bernhauer and Schubert, 1910: 54 ( Omalium ; subgenus Omalium ; catalog).

— Roubal, 1930: 309 ( Omalium ; characters; Slovakia).

— Palm, 1948: 82 ( Omalium ; characters; Sweden).

— Lohse, 1964: 45 ( Omalium ; characters; central Europe).

— Muona, 1979: 18 ( Omalium ; Finland).

— Tóth, 1982: 64 ( Omalium ; characters; Hungary).

— Lucht, 1987: 87 ( Omalium ; checklist; Czechoslovakia).

— Silfverberg, 1992: 21 ( Omalium ; Finland).

— Boháč, 1993: 41 ( Omalium ; Slovakia).

- DISTRIBUTION: Slovakia, Hungary, Finland.

impar Mulsant and Rey, 1861 , see: riparium Thomson, 1857 .

impressum Zetterstedt, 1828 , see: Eucnecosum .

impressum Heer, 1839 , see: caesum Gravenhorst, 1806 .

incisum Gravenhorst, 1806 , see: rivulare Paykull, 1789 .

incultum Sharp, 1887: 746 ( Omalium ; Type locality: Guatemala, Quiche Mountains 7000 to 9000 feet).

— Bernhauer and Schubert, 1910: 54 ( Omalium ; subgenus Omalium ; catalog).

- DISTRIBUTION: Guatemala.

inflatum Gyllenhal, 1813 , see: Acrulia .

insigne Fairmaire and Germain, 1861 , see: Ischnoderus .

insulare Kiesenwetter, 1877 , see: Nesomalium .

iopterum Stephens, 1832 , see: Phyllodrepa .

italicum Bernhauer, 1902d: 704 ( Omalium ; Type locality: Nord- und Mittelitalien von Genua bis Rom).

— Fowler, 1888: 415 ( Omalium , cited as Homalium ; [Note: Misidentification: Bernhauer and Schubert, 1910: 54 cited nigriceps Fowler as a synonym of italicum ; Fowler did not describe the species as new, he attributed it to Kiesenwetter]; characters; Britain).

— Luze, 1906: 487, 491, 541 ( Omalium ; synonym of tricolor ).

— Bernhauer and Schubert, 1910: 54 ( Omalium ; subgenus Omalium ; catalog).

— Scheerpeltz, 1933: 1045 ( Omalium ; catalog).

— Horion, 1935: 175 ( Omalium ; characters; Italy; France; Netherlands; Germany).

— Lohse, 1960a: 33 ( Omalium ; characters).

— Scheerpeltz, 1961d: 117 ( Omalium ; Italy).

— Horion, 1963: 87 ( Omalium ; Britain; France; Italy; Egypt; Holland; Germany).

— Lohse, 1964: 45 ( Omalium ; characters; central Europe).

— Steel, 1970a: 13 ( Omalium ; biological notes).

— Pope, 1977: 23 ( Omalium ; Britain).

— Hammond, 1980: 138 ( Omalium ; Ireland).

— Zanetti, 1987: 234 ( Omalium ; characters; Italy).

— Drugmand and Haghebaert, 1987: 326 ( Omalium ; Belgium).

— Zanetti, 1995: 7 ( Omalium ; Italy).

— Owen, 2000: 251 ( Omalium ; pitfall trap collections from underground at roots of trees; Britain).

- DISTRIBUTION: Ireland, Britain, Belgium, Germany, France, Italy.

tricolor Mulsant and Rey, 1880: 218 ( Omalium ; [preoccupied]; Type locality: Hyères).

— Ganglbauer, 1895: 736 ( Omalium ; synonym of caesum ).

— Fauvel, 1902b: 54 ( Omalium , cited as Homalium ; variety of caesum ).

— Luze, 1906: 541 ( Omalium ; characters; France; Italy; Elba Island).

— Bernhauer and Schubert, 1910: 54 ( Omalium ; synonym of italicum ).

— Scheerpeltz, 1933: 1045 ( Omalium ; synonym of italicum ).

— Pope, 1977: 23 ( Omalium ; synonym of italicum ).

— Zanetti, 1987: 234 ( Omalium ; synonym of italicum ).

vanderwieli Everts, 1920: 228 ( Omalium ; aberration of italicum ; [Note: Nomen nudum (Articles 1.3.4, 45.5)]; locality cited: Valkenburg).

— Scheerpeltz, 1933: 1045 ( Omalium ; aberration of italicum ).

jamesi Jarrige, 1946 a: 111 ( Omalium , cited as Homalium ; Type locality: France: Lauzanier, Basses-Alpes).

- DISTRIBUTION: France.

jamaicensis Blackwelder, 1943: 54 ( Omalium ; Type locality: Jamaica: Yallahs Valley ,

Blue Mountains).

- DISTRIBUTION: Jamaica.

japonicum Sharp, 1874: 98 ( Omalium ; Type locality: Nagasaki).

— Bernhauer and Schubert, 1910: 54 ( Omalium ; subgenus Omalium ; catalog).

— Nakane, 1963a: 82 ( Omalium ; characters; habitus photograph; Japan).

— Watanabe, 1990: 95 ( Omalium ; characters; Japan).

- DISTRIBUTION: Japan.

kabakovi Kashcheev, 1999: 141 ( Omalium ; Type locality: Dzhungarskii Alatai, verkhov’ia r. Tentek, 3400 m).

- DISTRIBUTION: Kazakhstan.

kronii Kiesenwetter, 1877 , see: Crymus .

kruegeri Gridelli, 1930: 61 ( Omalium ; cited as krügeri ; Type locality: Tobruch).

— Scheerpeltz, 1933: 1045 ( Omalium ; cited as krügeri ; catalog).

- DISTRIBUTION: Libya.

laborium Blackwelder, 1943: 56 ( Omalium ; Type locality: Haiti: east slope of Morne La Selle , about 6000 feet. Also cited from the Dominican Republic) .

- DISTRIBUTION: Haiti, Dominican Republic.

lacki Bernhauer, 1940b: 625 ( Omalium ; Type locality: Bären-Insel im nördlichen Eismeer, Fugleodden).

— Tikhomirova, 1973a: 138 ( Omalium ; checklist; Spitzbergen).

- DISTRIBUTION: Russia.

lacrymale Fleutiaux and Sallé, 1889, see: Phloeonomus .

lacustre Casey, 1894 , see: Xylodromus .

laesicolle Mäklin, 1852 , see: Phloeonomus .

laeticulum Sharp, 1887 , see: Phloeonomus .

laetipenne Broun, 1910 , see: Omaliomimus .

laeve Gravenhorst, 1806 , see: Deliphrum .

laevicolle Heer, 1839 , see: Proteinus .

laeviusculum Gyllenhal, 1827: 464 ( Omalium ; Type locality: Finmarkia ad Nord-Cap).

— C. Sahlberg, 1830: 282 ( Omalium ; characters; Finland).

— Erichson, 1840: 887 ( Omalium ; characters; Sweden).

— Hardy, 1851: 59 ( Omalium ; notes; England).

— Thomson, 1857a: 224 ( Omalium ; characters; Scandinavia).

— Thomson, 1861: 213 ( Omalium ; characters; Scandinavia).

— Fauvel, 1871a: 102 [= 1872: 76] ( Omalium , cited as Homalium ; characters; Scandinavia; Britain; Germany).

— Seidlitz, 1875: 234 ( Omalium ; characters; Baltic region).

— J. Sahlberg, 1876: 220 ( Omalium ; Finland).

— Mulsant and Rey, 1880: 193 ( Omalium ; characters; France).

— Fowler, 1888: 413 ( Omalium , cited as Homalium ; characters; Britain).

— Ganglbauer, 1895: 734 ( Omalium ; characters; Germany; France; Scandinavia; Britain; Iceland). — Poppius, 1905: 11 ( Omalium ; Orkney Islands; Shetland Islands).

— Luze, 1906: 512 ( Omalium ; characters; Germany; France; Scandinavia; Great Britain; Iceland). — Reitter, 1909: 190 ( Omalium ; characters; Germany).

— Bernhauer and Schubert, 1910: 54 ( Omalium ; subgenus Omalium ; catalog).

— Johansen, 1914: 610 ( Omalium ; characters; Denmark).

— Scheerpeltz, 1933: 1045 ( Omalium ; catalog).

— West, 1937: 45 ( Omalium ; Faroe Islands).

— Palm, 1948: 78 ( Omalium ; characters; Sweden; Norway; Finland).

— Larsson and Gígja, 1959: 58 ( Omalium ; biological notes; Iceland).

— Horion, 1963: 74 ( Omalium ; Britain; Norway; Finland; Russia; Sweden; Denmark; Holland; Belgium; France; Germany).

— Lohse, 1964: 41 ( Omalium ; characters; central Europe).

— Steel, 1970a: 13 ( Omalium ; biological notes).

— Pope, 1977: 23 ( Omalium ; Britain).

— Hammond, 1980: 138 ( Omalium ; Ireland).

— Lucht, 1987: 87 ( Omalium ; checklist; Germany; Benelux; Denmark).

— Welch, 1993: 227 ( Omalium ; ovariole number and ovary structure).

— Sadler and Dugmore, 1995: 144 ( Omalium ; habitat notes; Iceland).

- DISTRIBUTION: Iceland, Faroe Islands, Shetland Islands, Orkney Islands, Ireland, Britain, Norway, Sweden, Denmark, Holland, France, Germany, Russia.

fucicola Kraatz, 1857c: 286 ( Omalium ; Type locality: Island).

— Kraatz, 1857d: 978 ( Omalium ; characters; Germany).

— Thomson, 1861: 212 ( Omalium ; synonym of riparium ).

— Fauvel, 1867c: 115 [= 1868b: 214] ( Omalium ; synonym of laeviusculum ).

— Fauvel, 1871a: 102 [= 1872: 76] ( Omalium , cited as Homalium ; synonym of riparium ).

— Mulsant and Rey, 1880: 194 ( Omalium ; synonym of laeviusculum ).

— Ganglbauer, 1895: 734 ( Omalium ; synonym of laeviusculum ).

— Luze, 1906: 512 ( Omalium ; synonym of laeviusculum ).

— Bernhauer and Schubert, 1910: 54 ( Omalium ; synonym of laeviusculum ).

lagopinum J. Sahlberg, 1871 , see: strigicolle Wankowicz, 1869 .

languidum Mäklin, 1878 , see: septentrionis Thomson, 1857 .

lapponicum Mannerheim, 1830 , see: Eusphalerum .

laticolle Kraatz, 1857d: 983 ( Omalium ; Type locality: Thüringen).

— Redtenbacher, 1857: 994 ( Omalium ; characters; Germany).

— Thomson, 1884: 1032 ( Omalium ; characters; Sweden).

— Redtenbacher, 1874: 277 ( Omalium ; characters).

— Fauvel, 1878d: 217 [= 1878e: 53] ( Omalium , cited as Homalium ; synonym of foraminosum ). — Mulsant and Rey, 1880: 213 ( Omalium ; characters; Switzerland; Germany).

— Ganglbauer, 1895: 736 ( Omalium ; characters; Thuringia).

— Luze, 1906: 525 ( Omalium ; characters; Germany; Russia).

— Bernhauer and Schubert, 1910: 54 ( Omalium ; subgenus Omalium ; catalog).

— Scheerpeltz, 1933: 1046 ( Omalium ; catalog).

— Palm, 1948: 81 ( Omalium ; characters; Sweden; Denmark; Norway; Finland).

— Steel, 1953c: 198 ( Omalium ; identified in Britain as foraminosum and brevicolle ; characters). — Horion, 1963: 82 ( Omalium ; Norway; Sweden; Finland; Denmark; Russia; Germany; Austria; France).

— Lohse, 1964: 43 ( Omalium ; characters; central Europe).

— Pope, 1977: 23 ( Omalium ; Britain).

— Zanetti, 1985: 29 ( Omalium ; characters).

— Zanetti, 1987: 223 ( Omalium ; characters; may not occur in Italy).

— Lucht, 1987: 87 ( Omalium ; checklist; Germany; Austria; Denmark).

— Boháč, 1993: 41 ( Omalium ; Czech Republic).

— Kashcheev, 1999: 142 ( Omalium ; characters).

- DISTRIBUTION: Russia, Finland, Sweden, Norway, Denmark, Britain, France, Germany, Austria.

cordicolle Fauvel, 1900d: 220 ( Omalium , cited as Homalium ; Type locality: Russie: Jaroslaw).

— Luze, 1906: 486, 491, 525 ( Omalium ; synonym of laticolle ).

— Bernhauer and Schubert, 1910: 54 ( Omalium ; synonym of laticolle ).

— M. Hansen, Kristensen, Mahler, Pedersen, 1991: 106 ( Omalium ; cited as valid species; [Note: Since this change was cited without documentation in a list I note the alteration but make no transfer]; list of Danish species).

latum Stephens, 1834: 357 ( Omalium ; [Note: Nomen dubium]; Type locality: London).

— Stephens, 1839: 430 ( Omalium ; characters; England).

- DISTRIBUTION: Britain.

lineare Zetterstedt, 1828 , see: Phyllodrepa .

littorale Kraatz, 1857d: 980 ( Omalium ; Type locality: Swinemünde).

— Redtenbacher, 1857: 994 ( Omalium ; characters; Germany).

— Thomson, 1868: 325 ( Omalium ; cited as litorale ; characters; Scandinavia).

— Redtenbacher, 1874: 277 ( Omalium ; characters).

— Thomson, 1884: 1032 ( Omalium ; characters; Sweden).

— Seidlitz, 1875: 234 ( Omalium ; characters; Baltic region).

— Ganglbauer, 1895: 736 ( Omalium ; characters; Europe).

— Bernhauer and Schubert, 1910: 52 ( Omalium ; cited as litorale ; synonym of caseum).

— Scheerpeltz, 1933: 1044 ( Omalium ; variety of caesum ).

— Palm, 1948: 81 ( Omalium ; cited as litorale ; variety of caesum ; characters; Sweden; Denmark; Finland).

— Lohse, 1960a: 32 ( Omalium ; valid species; characters; notes).

— Palm, 1962: 185, 186 ( Omalium ; cited as litorale ; characters; notes).

— V. Hansen, 1962: 242 ( Omalium ; valid species; Denmark).

— Horion, 1963: 87 ( Omalium ; cited as litorale ; Sweden; Finland; Denmark; Germany).

— Lohse, 1964: 44 ( Omalium ; characters; central Europe).

— Tóth, 1982: 64 ( Omalium ; characters; Hungary).

— Zanetti, 1985: 29 ( Omalium ; characters; Italy).

— Zanetti, 1987: 235 ( Omalium ; characters; Italy).

— Lucht, 1987: 87 ( Omalium ; checklist; Germany; Poland; Denmark).

— Zanetti, 1995: 7 ( Omalium ; Italy).

— Ødegaard and Ligaard, 2000: 9 ( Omalium ; notes; habitat; Sweden; Norway).

- DISTRIBUTION: Europe.

litoreum Broun, 1886 , see: Omaliomimus .

lobeliae Tottenham, 1953b: 483 ( Omalium ; Type locality: Kilimanjaro: 12,700 ft., above Peter’s Hut).

- DISTRIBUTION: Tanzania.

lokayi Fleischer, 1897: 152 ( Omalium ; Type locality: Transsylvanische Alpen).

— Fauvel, 1897c: 230 ( Omalium , cited as Homalium ; characters).

— Bernhauer and Schubert, 1910: 54 ( Omalium ; subgenus Omalium ; catalog).

— Scheerpeltz, 1933: 1046 ( Omalium ; catalog).

— Tóth, 1982: 63 ( Omalium ; characters).

— Zerche, 1988c: 36 ( Omalium ; characters; Carpathians).

- DISTRIBUTION: Romania, Carpathians.

longiceps Broun, 1914 , see: Crymus .

longicorne Luze, 1906: 543 ( Omalium ; Type locality: Nördliche Mongolei , Shangai).

— Bernhauer and Schubert, 1910: 54 ( Omalium ; subgenus Omalium ; catalog).

- DISTRIBUTION: Mongolia.

longulum Mäklin, 1852 , see: Hapalaraea .

lucidum Erichson, 1839 , see: Phyllodrepa .

luridum Gyllenhal, 1813 , see: Pycnoglypta .

macropterum Gravenhorst, 1806 , see: Proteinus .

maculicornis Heer, 1839 , see: Phyllodrepa .

madegassa Bernhauer, 1902 , see: Omaliopsis .

malaisei Scheerpeltz, 1965: 148 ( Omalium ; Type locality: N.E. Burma, Kambaiti , 7000 ft.).

- DISTRIBUTION: Myanmar.

malayanum Cameron, 1950d: 3 ( Omalium ; Type locality: Pahang: Cameron Highlands, Ginting Kial , 5000 feet).

- DISTRIBUTION: Malaysia.

mandibularis Gyllenhal, 1827 , see: Manda .

marginatum Say, 1832 , see: Eusphalerum .

marginatum Kirby, 1837 , see: Olophrum .

marginatum Cameron, 1941: 58 ( Omalium ; [preoccupied]; Type locality: Kashmir: Gulmarg, alt. 8000– 10,000 feet).

— Herman, 2001: 38 ( Omalium ; although a junior primary homonym, prevailing use as valid maintained pending outcome of application to Commission under Article 23.9.5).

- DISTRIBUTION: India.

marinum Ragusa, 1871 , see: Hypopycna .

maxi Herman, 2001: 38 ( Omalium ; replacement name for obscurum Bernhauer ).

- DISTRIBUTION: Kenya, Uganda.

obscurum Bernhauer, 1940: 130 ( Omalium ; [preoccupied]; Type locality: Kenya: West Aberdare Mts. , 10–11,000 ft.; Mt. Kenya, 13,800 ft; Mt. Elgon , 14,000 ft.; Uganda: Mt. Elgon, Mudangi, 11,000 ft).

— Herman, 2001: 38 ( Omalium ; synonym of maxi ).

megacephalum Zetterstedt, 1828 , see: Olisthaerus .

megarthroides Fauvel, 1878 , see: Hapalaraea .

maerkelii Sachse, 1852 , see: Phloeonomus .

merkli Eppelsheim, 1883 , see: Carcinocephalus mesomelas Holme, 1842: 128 ( Omalium ; [Note: Nomen dubium]; Type locality: near Meysey Hampton, Gloucestershire).

— Rye, 1870a: 89 ( Omalium , cited as Homalium ; species is unidentifiable and must be ignored).

— Bernhauer and Schubert, 1910: 54 ( Omalium ; subgenus Omalium ; catalog).

- DISTRIBUTION: Britain.

mesopotamicum Bernhauer, 1943: 71 ( Omalium ; Type locality: Mesopotamien).

- DISTRIBUTION: Iraq.

micrarthrum Broun, 1893 , see: Stenomalium .

minus Mulsant and Rey, 1880: 218 ( Omalium ; variety of rugatum ; Type locality: Hyères).

— Ganglbauer, 1895: 736 ( Omalium ; synonym of caesum ).

— Luze, 1906: 539 ( Omalium ; synonym of caesum ).

— Bernhauer and Schubert, 1910: 52 ( Omalium ; synonym of caesum ).

— Steel, 1953e: 280 ( Omalium ; synonym of rugatum ).

— Smetana, 1966: 324, 325 ( Omalium ; cited as valid species; characters; notes; Czechoslovakia). - DISTRIBUTION: France, Czechoslovakia.

monilicorne Gyllenhal, 1810 , see: Xylostiba .

monilifer Broun, 1893 , see: Stenomalium .

monticola Cameron, 1941: 58 ( Omalium ; Type locality: Kashmir: Gulmarg).

- DISTRIBUTION: India.

monticulum Grimmer, 1841: 33 ( Omalium ; [Note: Nomen dubium]; Type locality: Steiermark).

- DISTRIBUTION: Austria.

montivagans Cameron, 1942b: 323 ( Omalium ; Type locality: Chyulu Hills, altitude

5600 feet).

- DISTRIBUTION: Kenya.

montivagum Heer, 1839 , see: Eusphalerum .

montivagum Eppelsheim, 1878: 128 ( Omalium , cited as Homalium ; [preoccupied]; Type locality: Hochgebirge östlich vom Kasbek).

— Luze, 1906: 529 ( Omalium ; characters; Caucasus).

— Bernhauer and Schubert, 1910: 55 ( Omalium ; subgenus Omalium ; catalog).

— Herman, 2001: 38 ( Omalium ; although a junior primary homonym, prevailing use as valid maintained pending outcome of application to Commission under Article 23.9.5).

- DISTRIBUTION: Georgia.

morrisi Blackburn, 1902: 28 ( Omalium , cited as Homalium ; Type locality: S. Australia, near Adelaide).

— Bernhauer and Schubert, 1910: 55 ( Omalium ; subgenus Omalium ; catalog).

- DISTRIBUTION: Australia.

muensteri Bernhauer, 1901: 540 ( Omalium ; Type locality: Kongsberg in der Umgebung von Christiania in Norwegen).

— Luze, 1906: 542 ( Omalium ; characters; Norway).

— Bernhauer and Schubert, 1910: 55 ( Omalium ; subgenus Omalium ; catalog).

— Palm, 1948: 82 ( Omalium ; characters; Norway; Finland).

- DISTRIBUTION: Norway, Caucasus, Caspian region.

nanum Sharp, 1876 , see: Phloeonomus .

nemobium Broun, 1910 , see: Stenomalium .

neomexicanum Bernhauer, 1915 j: 263 ( Omalium ; Type locality: Neu-Mexiko: Porvenir).

— Bernhauer, 1923d: 180 ( Omalium ; characters; New Mexico).

— Scheerpeltz, 1933: 1046 ( Omalium ; catalog).

- DISTRIBUTION: USA.

nigriceps Kiesenwetter, 1850: 222 ( Omalium ; Type locality: Pyrenaei , Italia).

— Kiesenwetter, 1851a: 435 ( Omalium ; characters; France).

— Fairmaire and Laboulbène, 1856: 639 ( Omalium ; characters; France).

— Kraatz, 1857d: 981 ( Omalium ; characters).

— Fauvel, 1865a: 318 [= 1865b: 68] ( Omalium ; habitat; France).

— Fauvel, 1871a: 100 [= 1872: 74] ( Omalium , cited as Homalium ; characters; France; Britain). — Fauvel, 1873b: 116 [= 1873c: 9] ( Omalium , cited as Homalium ; Spain).

— Mulsant and Rey, 1880: 225 ( Omalium ; characters; France).

— Ganglbauer, 1895: 737 ( Omalium ; characters; western middle Europe).

— Fauvel, 1897c: 230 ( Omalium , cited as Homalium ; characters). — Bernhauer and Schubert, 1910: 55 ( Omalium ; subgenus Omalium ; catalog).

— Portevin, 1929: 447 ( Omalium ; characters; France).

— Scheerpeltz, 1933: 1046 ( Omalium ; catalog).

— Horion, 1935: 175 ( Omalium ; characters; Switzerland; France; Pyrenees; Britain; Germany). — C. Koch, 1940: 373 ( Omalium ; Spain).

— Horion, 1954: 6 ( Omalium ; characters; Germany).

— Lohse, 1960a: 33 ( Omalium ; characters).

— Horion, 1963: 84 ( Omalium ; Spain; France; Italy; Germany).

— Lohse, 1964: 45 ( Omalium ; characters; central Europe).

— Zanetti, 1987: 232 ( Omalium ; characters; Italy).

— Lucht, 1987: 87 ( Omalium ; checklist; Germany; Austria; France).

— Zanetti, 1995: 7 ( Omalium ; Italy).

- DISTRIBUTION: Italy, Switzerland, Germany, France, Spain.

rufulum Lavagne, 1917: 139 ( Omalium ; variety of nigriceps ; [preoccupied]; Type locality: Massif de l’Aigoual, col de las Serres).

— Scheerpeltz, 1933: 1046 ( Omalium ; variety of nigriceps ).

nigricolle Stephens, 1834 , see: Eusphalerum .

nigriventre Rosenhauer, 1856 , see: Philorinum .

nigrum Gravenhorst, 1806 , see: Phyllodrepa .

nigrum Coiffait, 1982: 151 ( Omalium ; [preoccupied]; Type locality: Nepal: südl. Dhaulagiri, Dhorpatan , 3000–3200 m).

— Herman, 2001: 38 ( Omalium ; although a junior primary homonym, prevailing use as valid maintained pending outcome of application to Commission under Article 23.9.5).

- DISTRIBUTION: Nepal.

niponense Sharp, 1889: 474 ( Omalium ; Type locality: Kashiwagi).

— Bernhauer and Schubert, 1910: 55 ( Omalium ; subgenus Omalium ; catalog).

— Nakane, 1963a: 82 ( Omalium ; characters; habitus photograph; Japan).

— Watanabe, 1990: 92 ( Omalium ; characters; Japan).

- DISTRIBUTION: Japan.

nitidicolle Poppius, 1904 , see: rivulare Paykull, 1789 .

nivale Heer, 1841 , see: Eusphalerum .

obesum Fauvel, 1904 , see: Paraphloeostiba .

obscuricorne Poppius, 1904 , see: rivulare Paykull, 1789 .

obscurum Kraatz, 1859 , see: Phloeonomus .

obscurum Bernhauer, 1940 , see: maxi Herman, 2001 .

ocellatum Wollaston, 1854: 613 ( Omalium ; Type locality: Madeira: the Northern Dezerta ,

or Ilheo Chao).

— Wollaston, 1857: 204 ( Omalium ; habitat; Madeira Islands).

— Wollaston, 1865: 522 ( Omalium , cited as Homalium ; characters; Madeira Islands; Canary Islands).

— Wollaston, 1871: 311 (Homlaium; notes; valid species).

— Fauvel, 1902b: 54 ( Omalium , cited as Homalium ; Madeira; Canary Islands).

— Bernhauer and Schubert, 1910: 55 ( Omalium ; subgenus Omalium ; catalog).

— Coiffait, 1954: 162 ( Omalium ; Canary Islands).

— Hernández, Outerelo, and Gamarra, 1994: 187 ( Omalium ; checklist; Canary Islands).

- DISTRIBUTION: Madeira, Canary Islands.

ovatum Gravenhorst, 1806 , see: Proteinus .

oxyacanthae Gravenhorst, 1806: 210 ( Omalium ; variety of rivulare ; Type locality: Not cited). — Curtis, 1829: 29 ( Omalium ; catalog; Britain).

— Stephens, 1834: 355 ( Omalium ; characters; England).

— Runde, 1835: 23 ( Anthobium ; characters; Germany).

— Lacordaire, 1835: 470 ( Anthobium ; [Note: Misidentification: Bernhauer and Schubert, 1910: 55 cited caesum Lacordaire as a synonym of oxyacanthae Gravenhorst ; Lacordaire did not describe the species as new, he attributed it to Gyllenhal]; characters; France).

— Lacordaire, 1835: 471 ( Anthobium ; characters; France).

— Erichson, 1839a: 630 ( Omalium ; synonym of caesum ).

— Heer, 1839: 176 ( Omalium ; synonym of fossulatum ).

— Stephens, 1839: 430 ( Omalium ; characters; England).

— Laporte, 1840: 191 ( Anthobium ; characters; France).

— Erichson, 1840: 877 ( Omalium ; characters; Germany; France).

— Redtenbacher, 1849: 752 ( Omalium ; characters; Austria).

— Hardy, 1851: 59 ( Omalium ; notes; England).

— Fairmaire and Laboulbène, 1856: 640 ( Omalium ; characters; France).

— Redtenbacher, 1857: 251 ( Omalium ; characters; Austria).

— Kraatz, 1857d: 982 ( Omalium ; characters; Germany).

— Fauvel, 1871a: 99 [= 1872: 73] ( Omalium , cited as Homalium ; characters; France; Britain; Germany; Switzerland; Corsica; Italy; Sicily; Austria).

— Fauvel, 1873b: 115 [= 1873c: 8] ( Omalium , cited as Homalium ; Russia; Algeria).

— Redtenbacher, 1874: 275 ( Omalium ; characters; Austria).

— Seidlitz, 1875: 234 ( Omalium ; characters; Baltic region).

— Fauvel, 1878: 89 [= 1878a: 9] ( Omalium , cited as Homalium ; Algeria).

— Mulsant and Rey, 1880: 209 ( Omalium ; characters; France).

— Fauvel, 1886: 14 [= 1886a: 6] ( Omalium , cited as Homalium ; Algeria).

— Fowler, 1888: 414 ( Omalium , cited as Homalium ; characters; Britain).

— Ganglbauer, 1895: 735 ( Omalium ; characters; middle Europe; Italy; Corsica; Sicily).

— Luze, 1906: 521 ( Omalium ; characters; central Europe; Italy; Giglio Island; Corsica; Sicily; Sardinia; New Jersey).

— Montandon, 1908: 77 ( Omalium ; Romania).

— Reitter, 1909: 191 ( Omalium ; characters; Germany).

— Bernhauer and Schubert, 1910: 55 ( Omalium ; subgenus Omalium ; catalog).

— Johansen, 1914: 611 ( Omalium ; characters; Denmark).

— Portevin, 1929: 446 ( Omalium ; characters; France).

— Bernhauer, 1931e: 8 ( Omalium ; Spain).

— Scheerpeltz, 1933: 1046 ( Omalium ; catalog).

— Palm, 1948: 80 ( Omalium ; characters; Sweden; Denmark).

— Horion, 1963: 80 ( Omalium ; Algeria; Manchuria; Britain; Sweden; Denmark; Holland; Belgium; France; Switzerland; Spain; Corsica; Sardinia; Sicily; Italy; Croatia; Dalmatia; Albania; Romania; Hungary; Slovakia; Czech Republic; Poland; Germany; Austria).

— Lohse, 1964: 44 ( Omalium ; characters; central Europe).

— Steel, 1970a: 13 ( Omalium ; biological notes).

— Pope, 1977: 23 ( Omalium ; Britain).

— Hammond, 1980: 138 ( Omalium ; Ireland).

— Tóth, 1982: 60 ( Omalium ; characters; Hungary).

— Zanetti, 1985: 27 ( Omalium ; characters).

— Zanetti, 1987: 227 ( Omalium ; characters; Italy).

— Lucht, 1987: 87 ( Omalium ; checklist; Germany; Poland; Czechoslovakia; Austria; Switzerland; France; Benelux; Denmark; Sweden).

— Boháč, 1993: 41 ( Omalium ; Slovakia; Czech Republic).

— Zanetti, 1995: 7 ( Omalium ; Italy).

— Ryabukhin, 1999: 16 ( Omalium ; catalog; habitat; distribution; northeastern Russia).

- DISTRIBUTION: Russia, Europe, Algeria, USA.

piceum Stephens, 1834: 354 ( Omalium ; [preoccupied]; Type locality: near London; Devonshire; Suffolk; Raehills ).

— Stephens, 1839: 429 ( Omalium ; characters; England).

— Hardy, 1851: 59 ( Omalium ; synonym of oxyacanthae ).