These genera belong to Opatrini, a tribe of darkling beetles in the family Tenebrionidae.
Opatrini genera
- Aconobius <small>Casey, 1895</small> (North America)
- Adavius <small>Mulsant & Rey, 1859</small> (the Palearctic and Indomalaya)
- Adoryacus <small>Koch, 1963</small> (tropical Africa)
- Amathobius <small>Gebien, 1920</small> (tropical Africa)
- Amblysphagus <small>Fairmaire, 1896</small> (tropical Africa and Indomalaya)
- Ammidium <small>Erichson, 1843</small> (tropical Africa)
- Ammobius <small>Guérin-Méneville, 1844</small> (the Palearctic and Indomalaya)
- Ammodonus <small>Mulsant & Rey, 1859</small> (North America and the Neotropics)
- Amphithrixoides <small>Bouchard & Löbl, 2008</small> (the Palearctic)
- Anatrum <small>Reichardt, 1936</small> (the Palearctic)
- Arabammobius <small>Grimm & Lillig, 2020</small> (the Palearctic and tropical Africa)
- Asiocaedius <small>G.S. Medvedev & Nepesova, 1985</small> (the Palearctic)
- Austrocaribius <small>Marcuzzi, 1954</small> (the Neotropics)
- Blacodatus <small>Koch, 1963</small> (tropical Africa)
- Blapstinus <small>Dejean, 1821</small> (North America, the Neotropics, and Oceania)
- Blenosia <small>Laporte, 1840</small> (tropical Africa)
- Brachyesthes <small>Fairmaire, 1868</small> (the Palearctic and Indomalaya)
- Brachyidium <small>Fairmaire, 1883</small> (Indomalaya, Australasia, and Oceania)
- Caediexis <small>Lebedev, 1932</small> (the Palearctic)
- Caediomorpha <small>Blackburn, 1888</small> (Australasia)
- Caedius <small>Blanchard, 1845</small> (the Palearctic, tropical Africa, Indomalaya, and Australasia)
- Calaharena <small>Koch, 1963</small> (tropical Africa)
- Cenophorus <small>Mulsant & Rey, 1859</small> (the Neotropics)
- Clitobius <small>Mulsant & Rey, 1859</small> (the Palearctic and tropical Africa)
- Coeloecetes <small>Blair, 1929</small> (Indomalaya)
- Conibiosoma <small>Casey, 1890</small> (North America)
- Conibius <small>LeConte, 1851</small> (North America, the Neotropics, and Oceania)
- Corinta <small>Koch, 1950</small> (tropical Africa)
- Cornopterus <small>Koch, 1950</small> (tropical Africa)
- Crististibes <small>Koch, 1963</small> (tropical Africa)
- Cybotus <small>Casey, 1890</small> (the Neotropics)
- Cyptus <small>Gerstaecker, 1871</small> (the Palearctic and tropical Africa)
- Diaderma <small>Koch, 1960</small> (tropical Africa)
- Diastolinus <small>Mulsant & Rey, 1859</small> (the Neotropics)
- Dilamus <small>Jacquelin du Val, 1861</small> (the Palearctic and tropical Africa)
- Diphyrrhynchus <small>Fairmaire, 1849</small> (the Palearctic, tropical Africa, Indomalaya, Australasia, and Oceania)
- Eichleria <small>Kaminski, 2015</small> (tropical Africa)
- Emmalus <small>Erichson, 1843</small> (tropical Africa)
- Ephalus <small>LeConte, 1862</small> (North America and the Neotropics)
- Eremostibes <small>Koch, 1963</small> (tropical Africa)
- Eumylada <small>Reitter, 1904</small> (the Palearctic)
- Eurycaulus <small>Fairmaire, 1868</small> (the Palearctic and tropical Africa)
- Falsammidium <small>Koch, 1960</small> (tropical Africa)
- Falsocaedius <small>Español, 1943</small> (the Palearctic)
- Falsolobodera <small>Kaszab, 1967</small> (the Palearctic)
- Freyula <small>Koch, 1959</small> (tropical Africa)
- Goajiria <small>Ivie & Hart, 2016</small> (the Neotropics)
- Gonocephalum <small>Solier, 1834</small> (North America, tropical Africa, Indomalaya, Australasia, and Oceania)
- Hadrodes <small>Wollaston, 1877</small> (the Palearctic)
- Hadrophasis <small>Ferrer, 1992</small> (tropical Africa)
- Helenomelas <small>Ardoin, 1972</small> (the Palearctic)
- Helibatus <small>Mulsant & Rey, 1859</small> (tropical Africa)
- Heterocheira <small>Dejean, 1836</small> (tropical Africa and Australasia)
- Heterotarsus <small>Latreille, 1829</small> (the Palearctic, tropical Africa, and Indomalaya)
- Hovarygmus <small>Fairmaire, 1898</small> (tropical Africa)
- Hummelinckia <small>Marcuzzi, 1954</small> (the Neotropics)
- Jintaium <small>Ren, 1999</small> (the Palearctic)
- Luebbertia <small>Koch, 1963</small> (tropical Africa)
- Mateuina <small>Español, 1944</small> (the Palearctic)
- Melanesthes <small>Dejean, 1834</small> (the Palearctic)
- Melanocoma <small>Wollaston, 1868</small> (tropical Africa)
- Mesomorphus <small>Miedel, 1880</small> (the Palearctic, tropical Africa, Indomalaya, Australasia, and Oceania)
- Messoricolum <small>Koch, 1960</small> (tropical Africa)
- Microstizopus <small>Koch, 1963</small> (tropical Africa)
- Moragacinella <small>Español, 1954</small> (the Palearctic)
- Myladina <small>Reitter, 1889</small> (the Palearctic)
- Namazopus <small>Koch, 1963</small> (tropical Africa)
- Nemanes <small>Fairmaire, 1888</small> (tropical Africa)
- Neopachypterus <small>Bouchard, Löbl & Merkl, 2007</small> (the Palearctic and Indomalaya)
- Nesocaedius <small>Kolbe, 1915</small> (the Palearctic and Indomalaya)
- Nevisia <small>Marcuzzi, 1986</small> (the Neotropics)
- Nocibiotes <small>Casey, 1895</small> (North America)
- Notibius <small>LeConte, 1851</small> (North America)
- Opatroides <small>Brullé, 1832</small> (North America, tropical Africa, Indomalaya, and Australasia)
- Opatrum <small>Fabricius, 1775</small> (the Palearctic)
- Pachymastus <small>Fairmaire, 1896</small> (tropical Africa)
- Parastizopus <small>Gebien, 1938</small> (tropical Africa)
- Penthicinus <small>Reitter, 1896</small> (the Palearctic)
- Penthicus <small>Faldermann, 1836</small> (the Palearctic and tropical Africa)
- Periloma <small>Gebien, 1938</small> (tropical Africa)
- Perithrix <small>Fairmaire, 1879</small> (the Palearctic)
- Phelopatrum <small>Marseul, 1876</small> (the Palearctic)
- Planostibes <small>Gemminger, 1870</small> (tropical Africa)
- Platylus <small>Mulsant & Rey, 1859</small> (the Neotropics)
- Platynosum <small>Mulsant & Rey, 1859</small> (the Palearctic)
- Platyprocnemis <small>Español & Lindberg, 1963</small> (tropical Africa)
- Plesioderes <small>Mulsant & Rey, 1859</small> (tropical Africa and Indomalaya)
- Pocadiopsis <small>Fairmaire, 1896</small> (Indomalaya)
- Polycoelogastridion <small>Reichardt, 1936</small> (the Palearctic and Indomalaya)
- Prodilamus <small>Ardoin, 1969</small> (the Palearctic and tropical Africa)
- Proscheimus <small>Desbrochers des Loges, 1881</small> (the Palearctic)
- Psammestus <small>Reichardt, 1936</small> (the Palearctic)
- Psammogaster <small>Koch, 1953</small> (tropical Africa)
- Pseudolamus <small>Fairmaire, 1874</small> (the Palearctic)
- Pseudoleichenum <small>Ardoin, 1972</small> (tropical Africa)
- Raynalius <small>Chatanay, 1912</small> (tropical Africa)
- Reichardtiellina <small>Kaszab, 1982</small> (the Palearctic)
- Scleroides <small>Fairmaire, 1883</small> (Australasia)
- Scleropatroides <small>Löbl & Merkl, 2003</small> (the Palearctic, tropical Africa, and Indomalaya)
- Scleropatrum <small>Reitter, 1887</small> (the Palearctic and Indomalaya)
- Sclerum <small>Dejean, 1834</small> (the Palearctic, tropical Africa, and Indomalaya)
- Scymena <small>Pascoe, 1866</small> (Australasia)
- Sinorus <small>Mulsant & Revelière, 1861</small> (the Palearctic)
- Sobas <small>Pascoe, 1863</small> (Australasia)
- Socotropatrum <small>Koch, 1970</small> (tropical Africa)
- Sphaerostibes <small>Koch, 1963</small> (tropical Africa)
- Stizopus <small>Erichson, 1843</small> (tropical Africa)
- Sulpius <small>Fairmaire, 1906</small> (tropical Africa)
- Syntyphlus <small>Koch, 1953</small> (tropical Africa)
- Tarphiophasis <small>Wollaston, 1877</small> (tropical Africa)
- Tidiguinia <small>Español, 1959</small> (the Palearctic)
- Tonibiastes <small>Casey, 1895</small> (North America)
- Tonibius <small>Casey, 1895</small> (North America)
- Trichosternum <small>Wollaston, 1861</small> (tropical Africa)
- Trichoton <small>Hope, 1841</small> (North America and the Neotropics)
- Trigonopilus <small>Fairmaire, 1893</small> (Indomalaya)
- Trigonopoda <small>Gebien, 1914</small> (Indomalaya)
- Ulus <small>Horn, 1870</small> (North America and the Neotropics)
- Weisea <small>Semenov, 1891</small> (the Palearctic)
- Wolladrus <small>Iwan & Kaminski, 2016</small> (the Palearctic)
- Xerolinus <small>Ivie & Hart, 2016</small> (the Neotropics)
- â Eupachypterus <small>Kirejtshuk, Nabozhenko & Nel, 2010</small>
- â Palaeosclerum <small>Nabozhenko & Kirejtshuk, 2017</small>
References