Steilkopjes
De steilkopjes (Cryptocephalus) vormen een geslacht van kevers uit de familie bladkevers (Chrysomelidae).
De wetenschappelijke naam van het geslacht werd in 1762 gepubliceerd door Etienne Louis Geoffroy.

Soorten 
 Cryptocephalus acutesternalis Medvedev, 1978
 Cryptocephalus ajeschae Schoeller, 2006
 Cryptocephalus albolineatus Suffrian, 1847
 Cryptocephalus alborzensis Rapilly, 1980
 Cryptocephalus alesi Medvedev & Bezdek, 2001
 Cryptocephalus alnicola Costa, 1885
 Cryptocephalus alpigradus Lopatin, 1982
 Cryptocephalus andrewsi Riley & Gilbert, 1999
 Cryptocephalus androgyne Marseul, 1875
 Cryptocephalus anticus Suffrian, 1848
 Cryptocephalus apicalis Gebler, 1830
 Cryptocephalus aquitanus Sassi, 2001
 Cryptocephalus asturiensis Heyden, 1870
 Cryptocephalus atrifrons Abeille, 1901
 Cryptocephalus atriplicis Lopatin, 1967
 Cryptocephalus aureolus Suffrian, 1847
 Cryptocephalus australobispinus Riley & Gilbert, 1999
 Cryptocephalus ayvazi Gok & Sassi, 2002
 Cryptocephalus baeticus Suffrian, 1847
 Cryptocephalus bahadur Lopatin, 1984
 Cryptocephalus bahilloi Lopez-Colon, 2003
 Cryptocephalus bameuli Duhaldeborde, 1999
 Cryptocephalus barii Burlini, 1948
 Cryptocephalus baroniurbanii Lopatin, 1982
 Cryptocephalus beckeri F. Morawitz, 1860
 Cryptocephalus bhutana Medvedev & Sprecher-Uebersax, 1997
 Cryptocephalus bicolor Eschscholtz, 1818
 Cryptocephalus bifurcatus Kimoto & Gressitt, 1981
 Cryptocephalus biguttatus Scopoli, 1763
 Cryptocephalus biguttulus Suffrian, 1848
 Cryptocephalus biledjekensis Pic, 1909
 Cryptocephalus bilineatus Linnaeus, 1767
 Cryptocephalus bimaculatus Fabricius, 1781
 Cryptocephalus biondii Sassi & Regalin, 1998
 Cryptocephalus bipunctatus Linnaeus, 1758
 Cryptocephalus blanduloides Normand, 1947
 Cryptocephalus bohemius Drapiez, 1819
 Cryptocephalus boreoindicus Lopatin, 1995
 Cryptocephalus borowieci Warchalowski, 1999
 Cryptocephalus brancuccii Lopatin, 1984
 Cryptocephalus buettikeri Lopatin, 1979
 Cryptocephalus cantabricus Franz, 1958
 Cryptocephalus carinthiacus Suffrian, 1884
 Cryptocephalus carpathicus Frivaldszky, 1883
 Cryptocephalus castilianus Weise, 1894
 Cryptocephalus celtibericus Suffrian, 1848
 Cryptocephalus chrysopus Gmelin, 1790
 Cryptocephalus cicatricosus Lucas, 1845
 Cryptocephalus cognatus Costa, 1888
 Cryptocephalus connexus G. A. Olivier, 1807
 Cryptocephalus conterraneus Lopatin, 2003
 Cryptocephalus convergens Sassi, 2001
 Cryptocephalus cordiger Linnaeus, 1758
 Cryptocephalus coronatus Suffrian, 1847
 Cryptocephalus coryli Linnaeus, 1758
 Cryptocephalus corynetes Warchalowski, 1999
 Cryptocephalus corynthius Pic, 1914
 Cryptocephalus crassus G. A. Olivier, 1791
 Cryptocephalus cremeus Tan, 1988
 Cryptocephalus crenatus Wollaston, 1854
 Cryptocephalus creticus Suffrian, 1847
 Cryptocephalus cristula Dufour, 1843
 Cryptocephalus cruciger Hellen, 1922
 Cryptocephalus curvilinea G. A. Olivier, 1808
 Cryptocephalus cyanipes Suffrian, 1847
 Cryptocephalus cynarae Suffrian, 1847
 Cryptocephalus czwalinae Weise, 1882
 Cryptocephalus daccordii Biondi, 1995
 Cryptocephalus danieli Clavareau, 1913
 Cryptocephalus decemmaculatus Linnaeus, 1758
 Cryptocephalus dentisternus Medvedev & Samoderzhenkov, 1987
 Cryptocephalus dinae Lopatin & Chikatunov, 1999
 Cryptocephalus distinguendus Schneider, 1792
 Cryptocephalus dogueti Bourdonne, 1994
 Cryptocephalus downiei Riley & Gilbert, 1999
 Cryptocephalus duplicatus Suffrian, 1845
 Cryptocephalus eberti Kimoto, 2004
 Cryptocephalus egenus Tang, 1992
 Cryptocephalus ejimai Takizawa, 1990
 Cryptocephalus elegantulus Gravenhorst, 1807
 Cryptocephalus elkhalidii Lopatin, 1983
 Cryptocephalus elongatus Germar, 1824
 Cryptocephalus equiseti Costa, 1888
 Cryptocephalus erberi Lopatin, 1991
 Cryptocephalus ergenensis F. Morawitz, 1863
 Cryptocephalus eridani Sassi, 2001
 Cryptocephalus eroshkinae Medvedev & Samoderzhenkov, 1987
 Cryptocephalus espanoli Burlini, 1965
 Cryptocephalus etruscus Sassi, 1995
 Cryptocephalus evae Lopatin, 2002
 Cryptocephalus excisus Seidlitz, 1872
 Cryptocephalus exiguus Schneider, 1792
 Cryptocephalus falzonii Burlini, 1956
 Cryptocephalus fasciatointerruptus Berti & Rapilly, 1979
 Cryptocephalus flavicaudis Tang, 1992
 Cryptocephalus flavicollis Fabricius, 1781
 Cryptocephalus flavipes Fabricius, 1781
 Cryptocephalus flexuosus Krynicki, 1834
 Cryptocephalus floralis Krynicki, 1834
 Cryptocephalus floribundus Suffrian, 1866
 Cryptocephalus foveatus Medvedev, 2003
 Cryptocephalus freidbergi Lopatin & Chikatunov, 1997
 Cryptocephalus frenatus Laicharting, 1781
 Cryptocephalus frontalis Marsham, 1802
 Cryptocephalus fulvus Goeze, 1777
 Cryptocephalus furvicornis Tang, 1992
 Cryptocephalus gabbari Schoeller, 2005
 Cryptocephalus gamma Herrich-Schaeffer, 1829
 Cryptocephalus gangaridus Lopatin, 1979
 Cryptocephalus gialaiensis Medvedev & Samoderzhenkov, 1987
 Cryptocephalus globicollis Suffrian, 1847
 Cryptocephalus gorbunovi Medvedev, 1999
 Cryptocephalus gridellii Burlini, 1950
 Cryptocephalus grohmanni Suffrian, 1848
 Cryptocephalus hakonensis Takizawa, 1982
 Cryptocephalus hanungus Medvedev & Samoderzhenkov, 1987
 Cryptocephalus hartmanni Medvedev, 2003
 Cryptocephalus haucki Medvedev & Bezdek, 2001
 Cryptocephalus heinigi Warchalowski, 1999
 Cryptocephalus helobius Tang, 1992
 Cryptocephalus hirticollis Suffrian, 1847
 Cryptocephalus hohuanshanus Kimoto, 1996
 Cryptocephalus hopei Medvedev & Sprecher-Uebersax, 1997
 Cryptocephalus hypochaeridis Linnaeus, 1758
 Cryptocephalus ilicis G. A. Olivier, 1808
 Cryptocephalus imperialis Laicharting, 1781
 Cryptocephalus impressipygus Ogloblin, 1956
 Cryptocephalus incisus Tang, 1992
 Cryptocephalus infirmior Kraatz, 1876
 Cryptocephalus informis Suffrian, 1847
 Cryptocephalus ingamma Pic, 1908
 Cryptocephalus janthinus Germar, 1824
 Cryptocephalus jocularius Normand, 1947
 Cryptocephalus kabaki Lopatin, 2002
 Cryptocephalus kabakovi Medvedev, 1978
 Cryptocephalus katranus Lopatin & Chikatunov, 1997
 Cryptocephalus kermanicus Lopatin, 1979
 Cryptocephalus khajami Lopatin, 1980
 Cryptocephalus kharazii Berti & Rapilly, 1979
 Cryptocephalus klarae Lopatin, 1990
 Cryptocephalus kopetzi Medvedev, 2003
 Cryptocephalus korotyaevi Medvedev, 1980
 Cryptocephalus krutovskyi Jacobson, 1900
 Cryptocephalus kuznetzovi Medvedev, 1992
 Cryptocephalus labiatus Linnaeus, 1761
 Cryptocephalus lactineus Tang, 1992
 Cryptocephalus laetus Fabricius, 1792
 Cryptocephalus laevicollis Gebler, 1830
 Cryptocephalus lanpingensis Tang, 1992
 Cryptocephalus laoticus Medvedev, 2004
 Cryptocephalus lateralis Suffrian, 1863
 Cryptocephalus lederi Weise, 1889
 Cryptocephalus lentiginosus Tang, 1992
 Cryptocephalus leonhardi Breit, 1918
 Cryptocephalus limarius Lopatin, 1984
 Cryptocephalus limbifer Seidlitz, 1867
 Cryptocephalus lineellus Suffrian, 1849
 Cryptocephalus linnavuorii Lopatin, 1986
 Cryptocephalus lividimanus Suffrian, 1851
 Cryptocephalus loebli Sassi, 1997
 Cryptocephalus lopatianus Medvedev & Sprecher-Uebersax, 1997
 Cryptocephalus lopatini Iablokoff-Khnzorian, 1983
 Cryptocephalus lopatini Medvedev, 1978
 Cryptocephalus loreyi Solier, 1837
 Cryptocephalus lostiai Burlini, 1951
 Cryptocephalus lucidus Rapilly, 1980
 Cryptocephalus ludingensis Tang, 1992
 Cryptocephalus luridicollis Suffrian, 1868
 Cryptocephalus lusitanicus Suffrian, 1847
 Cryptocephalus macellus Suffrian, 1860
 Cryptocephalus macilentus Lopatin, 2001
 Cryptocephalus magnus Kimoto & Gressitt, 1981
 Cryptocephalus majoricensis de la Fuente, 1918
 Cryptocephalus margaritae Lopatin, 1997
 Cryptocephalus marginatus Fabricius, 1781
 Cryptocephalus marginellus G. A. Olivier, 1791
 Cryptocephalus mariae Rey, 1851
 Cryptocephalus mayeti Marseul, 1878
 Cryptocephalus maytreiae Lopatin, 1979
 Cryptocephalus meridiobrunneus Schoeller, 2002
 Cryptocephalus micheli Medvedev & Sprecher-Uebersax, 1997
 Cryptocephalus modestus Suffrian, 1848
 Cryptocephalus moniliformis Lopatin, 1980
 Cryptocephalus moraei Linnaeus, 1758
 Cryptocephalus moroderi Pic, 1914
 Cryptocephalus mroczkowskii Warchalowski, 1997
 Cryptocephalus muellerianus Burlini, 1955
 Cryptocephalus mystacatus Suffrian, 1848
 Cryptocephalus nanus Tang, 1992
 Cryptocephalus natalliae Lopatin, 1997
 Cryptocephalus nigellus Lopatin & Chikatunov, 1999
 Cryptocephalus nigrobasalis Kimoto & Gressitt, 1981
 Cryptocephalus nigroflavus Lopatin, 2004
 Cryptocephalus nitidicollis Wollaston, 1864
 Cryptocephalus nitidulus Fabricius, 1787
 Cryptocephalus nitidus Linnaeus, 1758
 Cryptocephalus nubigena Franz, 1982
 Cryptocephalus numidicus Bourdonne, 1994
 Cryptocephalus obliteratifer Pic, 1900
 Cryptocephalus ocellatus Drapiez, 1819
 Cryptocephalus ochroleucus Fairmaire, 1859
 Cryptocephalus octoguttatus Linnaeus, 1767
 Cryptocephalus octomaculatus Rossi, 1790
 Cryptocephalus octopunctatus Scopoli, 1763
 Cryptocephalus ohnoi Kimoto, 1983
 Cryptocephalus omanicus Medvedev, 1996
 Cryptocephalus orotschena Jacobson, 1926
 Cryptocephalus ozbeki Aslan & Warchalowski, 1998
 Cryptocephalus pachlatkoi Medvedev & Sprecher-Uebersax, 1997
 Cryptocephalus paganensis Pic, 1914
 Cryptocephalus pallifrons Gyllenhaal, 1813
 Cryptocephalus palmensis Franz, 1982
 Cryptocephalus paphlagonius Sassi & Kismali, 2000
 Cryptocephalus parvulus O.F. Müller, 1776
 Cryptocephalus paulomaculatus Kimoto & Gressitt, 1981
 Cryptocephalus pedatus Tang, 1992
 Cryptocephalus penguensis Lopatin, 1991
 Cryptocephalus pexicollis Suffrian, 1847
 Cryptocephalus pini Linnaeus, 1758
 Cryptocephalus planifrons Weise, 1882
 Cryptocephalus plantaris Suffrian, 1868
 Cryptocephalus podager Seidlitz, 1867
 Cryptocephalus pokharensis Medvedev & Sprecher-Uebersax, 1999
 Cryptocephalus politus Suffrian, 1853
 Cryptocephalus pominorum Burlini, 1956
 Cryptocephalus populi Suffrian, 1848
 Cryptocephalus potanini Lopatin, 2001
 Cryptocephalus prasolovi Lopatin, 1992
 Cryptocephalus praticola Weise, 1889
 Cryptocephalus primarius Harold, 1872
 Cryptocephalus prusias Suffrian, 1853
 Cryptocephalus przewalskii Lopatin, 1997
 Cryptocephalus pseudoexsulans Lopatin, 1982
 Cryptocephalus pseudolusitanicus Arnold, 1938
 Cryptocephalus pubescens Medvedev, 1996
 Cryptocephalus pulchellus Suffrian, 1848
 Cryptocephalus puncticollis Wollaston, 1864
 Cryptocephalus punctiger Paykull, 1799
 Cryptocephalus pushtunicus Lopatin, 1981
 Cryptocephalus pusillus Fabricius, 1777
 Cryptocephalus pygmaeus Fabricius, 1792
 Cryptocephalus quadriguttatus Richter, 1820
 Cryptocephalus quadripunctatus G. A. Olivier, 1808
 Cryptocephalus quadripustulatus Gyllenhaal, 1813
 Cryptocephalus quatuordecimmaculatus Schneider, 1792
 Cryptocephalus querceti Suffrian, 1848
 Cryptocephalus quinquepunctatus Scopoli, 1763
 Cryptocephalus ragusanus Roubal, 1912
 Cryptocephalus ramburii Suffrian, 1847
 Cryptocephalus rastegari Rapilly, 1980
 Cryptocephalus reitteri Weise, 1882
 Cryptocephalus renatae Sassi, 2001
 Cryptocephalus rufipes Goeze, 1777
 Cryptocephalus rufofasciatus Solsky, 1882
 Cryptocephalus rugicollis G. A. Olivier, 1791
 Cryptocephalus sagamensis Tomov, 1982
 Cryptocephalus sagittifer Lopatin, 1997
 Cryptocephalus sagittimaculatus Tang, 1992
 Cryptocephalus saliceti Zebe, 1855
 Cryptocephalus samniticus Leonardi & Sassi, 2001
 Cryptocephalus samuelsoni Lopatin, 1997
 Cryptocephalus sarbazicus Lopatin, 1980
 Cryptocephalus sareptanus F. Morawitz, 1863
 Cryptocephalus saryarkensis Medvedev & Kulenova, 1980
 Cryptocephalus sassii Lopatin, 1999
 Cryptocephalus saucius Truqui, 1852
 Cryptocephalus saudiensis Lopatin, 1983
 Cryptocephalus scapularis Suffrian, 1848
 Cryptocephalus scarificollis Lopatin, 1984
 Cryptocephalus schaefferi Schrank, 1789
 Cryptocephalus schoelleri Medvedev & Bezdek, 2001
 Cryptocephalus scutemaculatus (Tang, 1992)
 Cryptocephalus seductus Lopatin, 1995
 Cryptocephalus semivittatus Medvedev & Samoderzhenkov, 1987
 Cryptocephalus senguptai Lopatin, 1997
 Cryptocephalus sericeus Linnaeus, 1758
 Cryptocephalus sexpunctatus Linnaeus, 1758
 Cryptocephalus sexpustulatus Villers, 1789
 Cryptocephalus siamensis Kimoto & Gressitt, 1981
 Cryptocephalus sichuanicus Lopatin, 1999
 Cryptocephalus siedei Warchalowski, 2001
 Cryptocephalus signatifrons Suffrian, 1847
 Cryptocephalus similis Tang, 1992
 Cryptocephalus simoni Weise, 1882
 Cryptocephalus singhalus Lopatin, 1995
 Cryptocephalus solivagus Leonardi & Sassi, 2001
 Cryptocephalus spangleri Lopatin, 1997
 Cryptocephalus srilankus Lopatin, 1995
 Cryptocephalus stragula Rossi, 1794
 Cryptocephalus strigosus Germar, 1824
 Cryptocephalus subdeserticola Berti & Rapilly, 1979
 Cryptocephalus subnepalensis Lopatin, 1982
 Cryptocephalus subruber Rapilly, 1980
 Cryptocephalus subtigrinus Berti & Rapilly, 1979
 Cryptocephalus sulphureus G. A. Olivier, 1808
 Cryptocephalus surdus Rapilly, 1980
 Cryptocephalus tainguensis Medvedev & Samoderzhenkov, 1987
 Cryptocephalus tamaricis Solsky, 1867
 Cryptocephalus tamdaoensis Medvedev & Samoderzhenkov, 1987
 Cryptocephalus tardus Weise, 1888
 Cryptocephalus tenuelimbatus Lopatin, 1995
 Cryptocephalus terolensis Pic, 1908
 Cryptocephalus tetraspilus Suffrian, 1851
 Cryptocephalus therondi Franz, 1949
 Cryptocephalus tibialis Brisout, 1866
 Cryptocephalus tramuntanae Petitpierre, 1993
 Cryptocephalus transiens Franz, 1949
 Cryptocephalus trapezicollis Lindberg, 1953
 Cryptocephalus tricolor Rossi, 1792
 Cryptocephalus trimaculatus Rossi, 1790
 Cryptocephalus tristigma Charpentier, 1825
 Cryptocephalus tshorumae Tomov, 1984
 Cryptocephalus turcicus Suffrian, 1847
 Cryptocephalus undulatus Suffrian, 1854
 Cryptocephalus validicornis Lindberg, 1953
 Cryptocephalus vanharteni Schoeller, 2006
 Cryptocephalus variceps Weise, 1884
 Cryptocephalus variegatus Fabricius, 1781
 Cryptocephalus villosulus Suffrian, 1847
 Cryptocephalus violaceus Laicharting, 1781
 Cryptocephalus virens Suffrian, 1847
 Cryptocephalus vittatus Fabricius, 1775
 Cryptocephalus vividus Lopatin, 1997
 Cryptocephalus wittmerorum Lopatin, 1995
 Cryptocephalus yemenicus Lopatin, 1999
 Cryptocephalus yoshimotoi Kimoto & Gressitt, 1981
 Cryptocephalus zejensis Mikhailov, 2000
 Cryptocephalus zhongdianensis Tang, 1992
 Cryptocephalus zinicus Lopatin, 2004
 Cryptocephalus zoiai Sassi, 2001