Melolonthidae Leach, 1817
Diplotaxis abnormis Fall, 1909
Diplotaxis academia Vaurie, 1960
Diplotaxis aenea Blanchard, 1851
Diplotaxis aequalis Cazier, 1940
Diplotaxis aereomicans Moser, 1918
Diplotaxis alphamartinezi Delgado, 1990
Diplotaxis alutacea Bates, 1889
Diplotaxis ambigua Fall, 1909
Diplotaxis amecameca Vaurie, 1960
Diplotaxis angularis LeConte, 1856
Diplotaxis angustula Moser, 1918
Diplotaxis anneae Mccleve, 1993
Diplotaxis anthracina Fall, 1909
Diplotaxis anxius (LeConte, 1856)
Diplotaxis arctifrons Bates, 1888
Diplotaxis arizonica Schaeffer, 1907
Diplotaxis assimilis Vaurie, 1960
Diplotaxis atlantis Fall, 1909
Diplotaxis atramentaria Bates, 1888
Diplotaxis atratula LeConte, 1856
Diplotaxis aulacochela Cazier, 1940
Diplotaxis aurata Bates, 1889
Diplotaxis australis Vaurie, 1960
Diplotaxis bakeri Cazier, 1940
Diplotaxis barbarae Vaurie & Cazier, 1955
Diplotaxis basalis Fall, 1909
Diplotaxis belfragei Fall, 1909
Diplotaxis beyeri Schaeffer, 1907
Diplotaxis bicolor Bates, 1887
Diplotaxis bidentata LeConte, 1856
Diplotaxis bifida Vaurie, 1960
Diplotaxis blanchardi Vaurie, 1956
Diplotaxis boops Bates, 1888
Diplotaxis bowditchi Fall, 1909
Diplotaxis brachyptera Vaurie, 1960
Diplotaxis brevicollis LeConte, 1856
Diplotaxis brevicornis Cazier, 1940
Diplotaxis brevidens LeConte, 1856
Diplotaxis brevipilosa Moser, 1918
Diplotaxis brevisetosa Linell, 1897
Diplotaxis caelestis Delgado & Capistran, 1993
Diplotaxis carbonata LeConte, 1856
Diplotaxis carinata Vaurie, 1958
Diplotaxis carinifrons Bates, 1889
Diplotaxis catarinas Vaurie & Cazier, 1955
Diplotaxis cavifrons Moser, 1918
Diplotaxis chiricahuae Fall, 1909
Diplotaxis circulans Vaurie, 1960
Diplotaxis clypeata Bates, 1888
Diplotaxis coenonychoides Davidson & Davidson, 2006
Diplotaxis commixta Vaurie, 1960
Diplotaxis completa Cazier, 1940
Diplotaxis concava Vaurie, 1960
Diplotaxis conformis Fall, 1909
Diplotaxis confusa Fall, 1909
Diplotaxis connata Schaeffer, 1905
Diplotaxis consentanea Bates, 1887
Diplotaxis consequens Walker, 1866
Diplotaxis contracta Bates, 1888
Diplotaxis convexilabrum Vaurie & Cazier, 1955
Diplotaxis corbula Vaurie, 1960
Diplotaxis coriacea Bates, 1888
Diplotaxis corrosa Bates, 1888
Diplotaxis corvina LeConte, 1856
Diplotaxis costanera Vaurie, 1958
Diplotaxis cribratella Bates, 1889
Diplotaxis cribraticollis Blanchard, 1851
Diplotaxis cribriceps Bates, 1889
Diplotaxis cribulosa LeConte, 1856
Diplotaxis crinigera Bates, 1888
Diplotaxis crucis Vaurie, 1960
Diplotaxis curvaticeps Fall, 1909
Diplotaxis dahli Cazier, 1940
Diplotaxis decima Vaurie & Cazier, 1955
Diplotaxis denigrata Bates, 1889
Diplotaxis dentella Fall, 1909
Diplotaxis denticeps Bates, 1887
Diplotaxis dentipes Bates, 1887
Diplotaxis deserta Fall, 1932
Diplotaxis dissona Vaurie, 1960
Diplotaxis dubia LeConte, 1856
Diplotaxis durango Vaurie, 1960
Diplotaxis elongata Vaurie, 1960
Diplotaxis errans Fall, 1909
Diplotaxis exstans Vaurie, 1960
Diplotaxis femoralis Vaurie, 1960
Diplotaxis fimbriata Fall, 1909
Diplotaxis fissilabris Fall, 1909
Diplotaxis fissilis Vaurie & Cazier, 1955
Diplotaxis flavisetis Bates, 1888
Diplotaxis flexa Vaurie, 1960
Diplotaxis fossifrons Moser, 1918
Diplotaxis fossipalpa Fall, 1909
Diplotaxis foveicollis Moser, 1918
Diplotaxis frondicola (Say, 1825)
Diplotaxis fulva (LeConte, 1856)
Diplotaxis geos Mccleve, 1993
Diplotaxis glabrimargo Vaurie & Cazier, 1955
Diplotaxis guatemalica Moser, 1918
Diplotaxis hallei Vaurie, 1958
Diplotaxis harperi Blanchard, 1851
Diplotaxis haydeni LeConte, 1856
Diplotaxis hebes Bates, 1888
Diplotaxis hirsuta Vaurie, 1958
Diplotaxis hirtipes Vaurie, 1960
Diplotaxis icarus Mccleve, 1993
Diplotaxis iguala Vaurie, 1960
Diplotaxis illustris Fall, 1909
Diplotaxis impar Vaurie & Cazier, 1955
Diplotaxis incisa Vaurie, 1960
Diplotaxis incuria Fall, 1932
Diplotaxis indigena Vaurie & Cazier, 1955
Diplotaxis ingenua Fall, 1909
Diplotaxis insignis LeConte, 1861
Diplotaxis jacala Vaurie, 1958
Diplotaxis jamaicensis Cazier, 1952
Diplotaxis jardeli Delgado & Rivera, 1992
Diplotaxis juquilensis Bates, 1888
Diplotaxis knausi Schaeffer, 1907
Diplotaxis kuschei Vaurie, 1960
Diplotaxis laevivertex Bates, 1889
Diplotaxis languida LeConte, 1878
Diplotaxis latispina Vaurie, 1960
Diplotaxis lengi Fall, 1909
Diplotaxis levicosta Fall, 1909
Diplotaxis liberta (Germar, 1824)
Diplotaxis macronycha Fall, 1909
Diplotaxis macrotarsus Vaurie, 1960
Diplotaxis magna Bates, 1888
Diplotaxis marginicollis Fall, 1909
Diplotaxis marina Vaurie, 1960
Diplotaxis martinezi Delgado & Capistran, 1993
Diplotaxis mascula Vaurie, 1960
Diplotaxis maura Fall, 1909
Diplotaxis maya Vaurie, 1958
Diplotaxis mediafusca Vaurie, 1960
Diplotaxis megapleura Vaurie, 1960
Diplotaxis mentalis Fall, 1909
Diplotaxis metallescens Bates, 1888
Diplotaxis mexcala Vaurie, 1960
Diplotaxis microchele Vaurie, 1960
Diplotaxis microtrichia Moser, 1921
Diplotaxis mima Vaurie & Cazier, 1955
Diplotaxis mimosae Fall, 1909
Diplotaxis misella Fall, 1909
Diplotaxis missionaria Vaurie, 1960
Diplotaxis mistura Vaurie, 1960
Diplotaxis moerens LeConte, 1856
Diplotaxis monticola Delgado, 2001
Diplotaxis muricata Schaeffer, 1907
Diplotaxis mus Fall, 1932
Diplotaxis nigriventris Bates, 1887
Diplotaxis nitidicollis Blanchard, 1851
Diplotaxis obregon Vaurie, 1958
Diplotaxis obscura LeConte, 1859
Diplotaxis ohausi Moser, 1921
Diplotaxis pacata LeConte, 1856
Diplotaxis pala Vaurie, 1960
Diplotaxis parallela Fall, 1909
Diplotaxis parpolita Vaurie, 1960
Diplotaxis parvicollis Fall, 1909
Diplotaxis parvula Burmeister, 1855
Diplotaxis patyvauriea Delgado, 1990
Diplotaxis persisae Cazier, 1940
Diplotaxis pilifera (Burmeister, 1855)
Diplotaxis pilipennis Moser, 1918
Diplotaxis pinalica Fall, 1932
Diplotaxis planidens Fall, 1909
Diplotaxis polita Fall, 1909
Diplotaxis poropyge Bates, 1887
Diplotaxis profunda Vaurie & Cazier, 1955
Diplotaxis puberea (Bates, 1887)
Diplotaxis puberula LeConte, 1863
Diplotaxis pubipes Schaeffer, 1907
Diplotaxis pumila Fall, 1909
Diplotaxis punctata LeConte, 1856
Diplotaxis punctatorugosa Blanchard, 1851
Diplotaxis puncticeps Moser, 1918
Diplotaxis puncticollis Moser, 1918
Diplotaxis punctipennis LeConte, 1856
Diplotaxis punctulata Horn, 1894
Diplotaxis pygidialis Vaurie, 1960
Diplotaxis residua Fall, 1909
Diplotaxis rex Vaurie, 1958
Diplotaxis rita Vaurie, 1958
Diplotaxis riusi Delgado, 2011
Diplotaxis roberti Vaurie, 1960
Diplotaxis robertmarki Davidson & Davidson, 2006
Diplotaxis rockefelleri Vaurie & Cazier, 1955
Diplotaxis rosae Vaurie & Cazier, 1955
Diplotaxis rotunda Vaurie, 1960
Diplotaxis rudis (LeConte, 1859)
Diplotaxis rufa Linell, 1895
Diplotaxis rufiola Fall, 1909
Diplotaxis rufipes Moser, 1921
Diplotaxis rugosifrons Moser, 1918
Diplotaxis rugosipennis Blanchard, 1851
Diplotaxis saltensis Vaurie, 1960
Diplotaxis saylori Cazier, 1940
Diplotaxis schaefferi Fall, 1909
Diplotaxis selanderi Vaurie, 1958
Diplotaxis semifoveata Fall, 1909
Diplotaxis sierrae Fall, 1909
Diplotaxis simillima Moser, 1921
Diplotaxis simplex Blanchard, 1851
Diplotaxis sinuans Vaurie, 1960
Diplotaxis sonora Vaurie, 1960
Diplotaxis sordida Say, 1825
Diplotaxis sparsa Vaurie, 1960
Diplotaxis spina Vaurie, 1958
Diplotaxis squamisetis Delgado & Capistran, 1992
Diplotaxis statura Cazier, 1940
Diplotaxis subangulata LeConte, 1856
Diplotaxis subcostata Blanchard, 1851
Diplotaxis subrugata Moser, 1918
Diplotaxis sulcatula Fall, 1909
Diplotaxis superflua Vaurie, 1960
Diplotaxis tarascana Vaurie, 1958
Diplotaxis tarsalis Schaeffer, 1907
Diplotaxis tehuana Vaurie, 1960
Diplotaxis tenebrosa Fall, 1909
Diplotaxis tenuis LeConte, 1856
Diplotaxis tepicana Moser, 1918
Diplotaxis testacea Burmeister, 1855
Diplotaxis texana LeConte, 1856
Diplotaxis thoracica Fall, 1909
Diplotaxis trapezifera Bates, 1887
Diplotaxis trementina Fall, 1909
Diplotaxis tristis Kirby, 1837
Diplotaxis truncatula LeConte, 1856
Diplotaxis tumida Vaurie, 1960
Diplotaxis turgidula Vaurie, 1960
Diplotaxis tzitzio Vaurie, 1960
Diplotaxis ungulata Cazier, 1940
Diplotaxis urbana Vaurie, 1960
Diplotaxis vandykei Vaurie, 1958
Diplotaxis veracruzana Vaurie, 1960
Diplotaxis xalapensis Delgado & Capistran, 1992
Diplotaxis yucateca Vaurie, 1960
Diplotaxis zapoteca Vaurie, 1958
Diplotaxis zeteki Vaurie, 1958