Fort Towson

• Diomus akonis (Ohta, 1929) ^g
• Diomus amabilis (LeConte, 1852) ^{i c g b} (amiable lady)
• Diomus arizonicus Gordon, 1976 ^{i c g}
• Diomus austrinus Gordon, 1976 ^{i c g}
• Diomus balteatus (LeConte, 1878) ^{i c g}
• Diomus bigemmeus (Horn, 1895) ^{i c g b}
• Diomus caledoniensis (Bielawski, 1973) ^g
• Diomus debilis (Leconte, 1852) ^{i c g b}
• Diomus floridanus (Mulsant, 1850) ^{i c g}
• Diomus gillerforsi Fursch, 1987 ^g
• Diomus humilis Gordon, 1976 ^{i c g}
• Diomus liebecki (Horn, 1895) ^{i c g b} (Liebeck's lady)
• Diomus myrmidon (Mulsant, 1850) ^{i c g}
• Diomus notescens (Blackburn, 1889) ⁱ
• Diomus ochroderus (Mulsant, 1850) ^g
• Diomus pseudotaedatus Gordon, 1976 ^{i c g b}
• Diomus pumilio (Weise, 1885) ^{i c g}
• Diomus roseicollis (Mulsant, 1853) ^{i c g b}
• Diomus rubidus (Motschulsky, 1837) ^g
• Diomus sexualis (Fauvel, 1903) ^g
• Diomus taedatus (Fall, 1901) ^{i c g}
• Diomus terminatus (Say, 1835) ^{i c g b}
• Diomus texanus Gordon, 1976 ^{i c g b}
• Diomus thoracicus (Fabricius, 1801) ^g
• Diomus xanthaspis (Mulsant, 1850) ^{i c g b}

Australian species

    Diomus ancorus Pang & Slipinski, 2009
    Diomus australasiae (Blackburn, 1892)
    Diomus australis (Blackburn, 1889)
    Diomus bimaculatus Pang & Slipinski, 2009
    Diomus brisbanensis (Blackburn, 1895)
    Diomus brookfieldi Pang & Slipinski, 2009
    Diomus bunya Pang & Slipinski, 2010
    Diomus capital Pang & Slipinski, 2009
    Diomus carbine Pang & Slipinski, 2010
    Diomus casuarinae (Blackburn, 1889)
    Diomus circus Pang & Slipinski, 2010
    Diomus corticalis (Lea, 1908)
    Diomus cowleyi (Blackburn, 1895)
    Diomus cucullifer (Blackburn, 1892)
    Diomus denhamensis Weise, 1929
    Diomus elutus (Lea, 1902)
    Diomus ementitor (Blackburn, 1895)
    Diomus ferrugineus Weise, 1895
    Diomus flavolaterus (Lea, 1926)
    Diomus frater (Lea, 1902)
    Diomus gilvus Pang & Slipinski, 2010
    Diomus gingera Pang & Slipinski, 2010
    Diomus hamatus Weise, 1895
    Diomus hebes Pang & Slipinski, 2010
    Diomus impictus (Blackburn, 1895)
    Diomus inaffectatus (Blackburn, 1892)
    Diomus insidiosus (Blackburn, 1889)
    Diomus inusitatus (Blackburn, 1889)
    Diomus jocosus (Blackburn, 1892)
    Diomus kamerungensis (Blackburn, 1895)
    Diomus kioloa Pang & Slipinski, 2010
    Diomus kosciuszko Pang & Slipinski, 2009
    Diomus kuranda Pang & Slipinski, 2009
    Diomus leai Pang & Slipinski, 2010
    Diomus lord Pang & Slipinski, 2010
    Diomus lubricus (Blackburn, 1889)
    Diomus macrops (Lea, 1929)
    Diomus maestus (Lea, 1926)
    Diomus mareebensis (Blackburn, 1895)
    Diomus marmorosus Pang & Slipinski, 2009
    Diomus micrus Pang & Slipinski, 2010
    Diomus millaamillaa Pang & Slipinski, 2009
    Diomus ningning Pang & Slipinski, 2009
    Diomus notescens (Blackburn, 1889)
    Diomus obumbratus (Blackburn, 1895)
    Diomus operosus (Blackburn, 1895)
    Diomus pisinus Pang & Slipinski, 2010
    Diomus planulatus (Blackburn, 1895)
    Diomus poonindiensis (Blackburn, 1889)
    Diomus prodigialis Pang & Slipinski, 2010
    Diomus pumilio Weise, 1885
    Diomus reidi Pang & Slipinski, 2009
    Diomus robustus (Weise, 1929)
    Diomus scapularis (Weise, 1885)
    Diomus sedani (Blackburn, 1889)
    Diomus simplex (Blackburn, 1889)
    Diomus sphragitis (Weise, 1885)
    Diomus storeyi Pang & Slipinski, 2009
    Diomus striatus (Lea, 1902)
    Diomus subclarus (Blackburn, 1895)
    Diomus subelongatulus (Blackburn, 1892)
    Diomus sublatus (Blackburn, 1892)
    Diomus sydneyensis (Blackburn, 1892)
    Diomus tasmanicus Pang & Slipinski, 2010
    Diomus tenebricosus (Boheman, 1859)
    Diomus tinaroo Pang & Slipinski, 2009
    Diomus torres Pang & Slipinski, 2009
    Diomus triangularis (Lea, 1902)
    Diomus variiceps (Lea, 1929)
    Diomus victoriensis (Blackburn, 1892)
    Diomus villus Pang & Slipinski, 2010
    Diomus weiri Pang & Slipinski, 2009
    Diomus whittonensis (Blackburn, 1892)
    Diomus yarrensis (Blackburn, 1895)
    Diomus zborowskii Pang & Slipinski, 2009