Paederus er en gruppe (slekt) av biller som hører til underfamilien smalkortvinger (Paederinae) i den store familien kortvinger (Staphylinidae).
Utseende Små (gjerne 3-4 millimeter), slanke kortvinger. De er livlig farget i skarpt rødt og metallisk blått. Hodet er avsnørt fra kroppen ved en smal "hals". Kroppsformen er omtrent sylindrisk. I motsetning til en del andre smalkortvinger har de velutviklede fasettøyne og flygevinger.
Levevis Paederus-artene er livlige, dagaktive insekter som flyr godt og gjerne. De finnes blant annet på strender. De friske fargene er en advarsel om at disse billene er giftige – de kan skille ut stoffet pederin som forårsaker hevelser og sår om man får det på huden. Slike sår blir gitt diagnosen Paederus dermatitis, denne synes imidlertid også å bli brukt om blemmer og sår forårsaket av andre biller, særlig plasterbiller.
Systematisk oversikt
Ordenen biller, Coleoptera Underordenen Polyphaga Overfamilien åtsel- og rovbiller, Staphylinoidea Familien kortvinger (Staphylinidae) Latreille, 1802 Underfamilien smalkortvinger Paederinae Fleming, 1821 Slekten Paederus Fabricius, 1775 Paederus riparius (Linnaeus, 1758) Paederus fuscipes Curtis, 1826 Liste over arter som ikke forekommer i Norge
Paederus abdominalis Cameron, 1950 Paederus abnormalis Bernhauer, 1934 Paederus adelaidae Blackburn, 1888 Paederus adiectus Assing, 2015 †Paederus adumbratus Wickham, 1913 Paederus aequabilis Last, 1979 Paederus aequilobatus Assing, 2015 Paederus agnatus Eppelsheim, 1889 Paederus ahrensi Willers, 1999 Paederus albertisi Fauvel, 1878 Paederus alesi Assing, 2015 Paederus alfierii C. Koch, 1934 Paederus aliiceps Cameron, 1914 Paederus almorensis Cameron, 1931 Paederus alternans Walker, 1858 Paederus alticola Sharp, 1886 Paederus altivagans Fauvel, 1908 Paederus alutaceus Fagel, 1958 Paederus alutipennis Cameron, 1936 Paederus alutithorax Bernhauer, 1943 Paederus amazonicus Sharp, 1876 Paederus amicus Bernhauer, 1915 Paederus amplicollis Kraatz, 1859 Paederus andinus Wendeler, 1931 Paederus anguinus Bernhauer, 1908 Paederus angulicollis W.J. MacLeay, 1871 Paederus angusticeps Bernhauer, 1915 Paederus angustipennis Bernhauer, 1936 Paederus anmamontis Assing, 2015 Paederus annapurnaensis Willers, 1999 Paederus annexus Eppelsheim, 1895 Paederus antennocinctus Willers, 2001 Paederus anthracinus Bernhauer, 1927 Paederus antiquus Sharp, 1886 Paederus antoniensis Sharp, 1886 Paederus apfelsinicus Willers, 2001 Paederus apteromelas Lea, 1923 Paederus aquaticus Bernhauer, 1915 Paederus aquatilis Cameron, 1945 Paederus arduus Sharp, 1886 Paederus argentatus Cameron, 1914 Paederus argentinus Bernhauer, 1911 Paederus armstrongi Steel, 1955 Paederus arrowianus Bernhauer, 1931 Paederus atriventris Cameron, 1930 Paederus aureipennis Bernhauer, 1942 Paederus australis Guérin-Méneville, 1830 Paederus baeri Bernhauer, 1921 Paederus bagmatiensis Willers, 1999 Paederus bakeri Cameron, 1942 Paederus bakerianus Bernhauer, 1927 Paederus balcanicus C. Koch, 1938 Paederus balfourbrownei Fagel, 1958 Paederus banghaasi Bernhauer, 1927 Paederus basalis Bernhauer, 1914 Paederus basipes Fauvel, 1907 Paederus basiventris Bernhauer, 1933 Paederus baudii (Fairmaire, 1860) Paederus bayeri Bernhauer, 1928 Paederus beccarii Wendeler, 1926 Paederus benicki Wendeler, 1933 Paederus bernhauerianus Scheerpeltz, 1935 Paederus besucheti Biswas & Sen Gupta, 1982 Paederus bhutanicus Coiffait, 1978 Paederus biacutus Li, Zhou & Solodovnikov, 2013 Paederus bicoloriceps Fagel, 1958 Paederus bicoloripes Cameron, 1937 Paederus bilobus Li, Solodovnikov & Zhou, 2014 Paederus birmanus Fauvel, 1895 Paederus bivirgatus Assing, 2015 Paederus blukwensis Fagel, 1958 Paederus bohemani Fagel, 1958 Paederus bolivianus Bernhauer, 1905 Paederus bonariensis Lynch Arribalzaga, 1884 Paederus bonus Last, 1980 Paederus borailicus Assing, 2013 Paederus borneensis Scheerpeltz, 1935 Paederus brandti Last, 1985 Paederus brasiliensis Erichson, 1840 Paederus braunsi Bernhauer, 1915 Paederus brevicollis Fagel, 1958 Paederus brevior Li, Solodovnikov & Zhou, 2014 Paederus brevipennis Lacordaire, 1835 Paederus bruchi Bernhauer, 1911 Paederus brunneolus Li, Solodovnikov & Zhou, 2014 Paederus bucculentus Assing, 2015 Paederus buluensis Last, 1979 Paederus bursavacua Willers, 2001 Paederus busalminensis Last, 1984 Paederus caffer Boheman, 1848 Paederus caligatus Erichson, 1840 Paederus cameroni Last, 1979 Paederus canonicus (Casey, 1905) Paederus capensis Erichson, 1840 Paederus capitalis Bernhauer, 1928 Paederus caprai Fagel, 1958 Paederus captus Wendeler, 1931 Paederus carolinae (Casey, 1905) Paederus cartaginis Bernhauer, 1920 Paederus centralis Last, 1985 Paederus cheesmani Cameron, 1937 Paederus cheni Peng & Li, 2015 Paederus chimbuensis Last, 1979 Paederus chinensis Bernhauer, 1931 Paederus chopardi Fagel, 1958 Paederus coarctatus Erichson, 1840 Paederus colasi Fagel, 1958 Paederus colettae Lecoq, 1987 Paederus columbinus Laporte de Castelnau, 1835 Paederus combustus Fauvel, 1879 Paederus comorensis Bernhauer, 1917 Paederus compotens J.L. LeConte, 1863 Paederus condei Wendeler, 1933 Paederus confusus Fagel, 1958 Paederus congoensis Bernhauer, 1915 Paederus conicipennis Wendeler, 1931 Paederus conicollis Motschulsky, 1860 Paederus conspicuus Erichson, 1840 Paederus cooperi Scheerpeltz, 1933 Paederus copiosus Last, 1979 Paederus cordovensis Sharp, 1886 Paederus coriaceus Fauvel, 1869 Paederus costaricensis Sharp, 1886 Paederus coxalis Fauvel, 1895 Paederus crassicollis Wendeler, 1931 Paederus cribripennis Fagel, 1959 Paederus cruenticollis Germar, 1848 Paederus cultellatus Assing, 2015 Paederus cumanus J.H. Frank, 1988 Paederus currax Sharp, 1886 Paederus curticeps Bernhauer, 1910 Paederus curticollis Bernhauer, 1905 Paederus curvatus Li & Zhou, 2008 Paederus cyanellus Fauvel, 1879 Paederus cyaneus Cameron, 1937 Paederus cyanocephalus Erichson, 1840 Paederus cyanopterus Cameron, 1942 Paederus daicongchaoi Peng & Li, 2016 Paederus dammermani Cameron, 1925 Paederus darfurensis Bernhauer, 1937 Paederus debilior Eppelsheim, 1892 Paederus delkeskampi Fagel, 1958 Paederus densiventris Bernhauer, 1928 Paederus deplectens Assing, 2015 Paederus describendus Willers, 2001 Paederus discurrens Assing, 2015 Paederus diversiceps Cameron, 1931 Paederus dollmani Bernhauer, 1928 Paederus doriae Fauvel, 1879 Paederus drakensbergensis Fagel, 1965 Paederus drescheri Cameron, 1936 Paederus duplex Eppelsheim, 1895 Paederus ecuadorensis Bernhauer, 1934 Paederus edentulus Assing, 2015 Paederus edwardsi Bernhauer, 1928 Paederus eidmanni Fagel, 1958 Paederus elegans Wendeler, 1931 Paederus elegantulus Wendeler, 1931 Paederus elongatus Wendeler, 1931 Paederus ertli Bernhauer, 1915 Paederus erythroderus Erichson, 1840 Paederus excellens Bernhauer, 1942 Paederus excisissimus Assing, 2015 Paederus eximius Reiche, 1850 Paederus extraneus Wiedemann, 1825 Paederus fageli Willers, 1999 Paederus fastuosus Klug, 1833 Paederus feae Fauvel, 1895 Paederus femoralis J.L. LeConte, 1858 Paederus femoratus Cameron, 1931 Paederus ferreirai Scheerpeltz, 1978 Paederus ferus Erichson, 1840 Paederus fijiensis Cameron, 1943 Paederus filicornis Sharp, 1886 Paederus flaviceps Bernhauer, 1927 Paederus flavitarsis Cameron, 1950 Paederus flavocaudatus Bernhauer, 1909 Paederus flavoterminatus Cameron, 1949 Paederus floridanus Austin, 1877 Paederus formosanus Adachi, 1939 Paederus freudei Fagel, 1958 Paederus freyi Fagel, 1958 Paederus frontalis Fagel, 1958 Paederus fruhstorferi Wendeler, 1931 Paederus fulgidipennis Fagel, 1958 Paederus fulvicornis Erichson, 1840 Paederus fulvocaudatus Adachi, 1939 Paederus furcillatus Assing, 2017 Paederus furcispinosus Assing, 2015 Paederus fuscus Last, 1979 Paederus gabonicus Fagel, 1958 Paederus gebieni Wendeler, 1931 Paederus gedyei Cameron, 1950 Paederus germairei Wendeler, 1931 Paederus germanus Cameron, 1931 Paederus gestroi Fauvel, 1878 Paederus gigas Bernhauer, 1905 Paederus globulicollis Bernhauer, 1907 Paederus goellnerae Willers, 2015 Paederus gottschei H.J. Kolbe, 1886 Paederus gowdeyi Bernhauer, 1928 Paederus gracilacutus Li & Zhou, 2007 Paederus gracilis Last, 1952 Paederus grandicollis Bernhauer, 1927 Paederus grandis Austin, 1877 Paederus gratiosus Fauvel, 1904 Paederus graueri Fagel, 1958 Paederus greeni Cameron, 1931 Paederus gressitti Last, 1985 Paederus gridellii Fagel, 1958 Paederus hagenensis Last, 1979 Paederus hartmanni Willers, 1999 Paederus hebridensis Cameron, 1934 Paederus heynei Wendeler, 1926 Paederus hiekei Willers & Schillhammer, 2015 Paederus himalayicus Bernhauer, 1914 Paederus hingstoni Cameron, 1928 Paederus hintzi Bernhauer, 1915 Paederus hornabrooki Last, 1979 Paederus horni Bernhauer, 1902 Paederus huonensis Last, 1979 Paederus ignotus Wendeler, 1931 Paederus iheringi Bernhauer, 1911 Paederus ikelaensis Fagel, 1961 Paederus illiesi Puthz, 1969 Paederus imitator Wendeler, 1931 Paederus impressipennis Fauvel, 1898 Paederus incertus Fagel, 1958 Paederus incisus Assing, 2015 Paederus incurvatus Assing, 2015 Paederus inexpectatus Fagel, 1958 Paederus insularis Cameron, 1938 Paederus intermedius Boheman, 1858 Paederus iowensis (Casey, 1905) Paederus irianensis J.H. Frank, 1988 Paederus ismayi Last, 1985 Paederus itombwensis Fagel, 1961 Paederus jacobsoni Bernhauer, 1915 Paederus jaegeri Paulian, 1947 Paederus jamaicensis Blackwelder, 1943 Paederus jansei Fagel, 1959 Paederus janssensi Fagel, 1958 Paederus japonicus Bernhauer, 1915 Paederus jarrigeanus Fagel, 1958 Paederus javanus Laporte de Castelnau, 1835 Paederus jessoensis Bernhauer, 1935 Paederus jianyueae Peng & Li, 2014 Paederus jilongensis Li & Zhou, 2009 Paederus junodi Bernhauer, 1912 Paederus kabarensis Fagel, 1958 Paederus kaindiensis Last, 1979 Paederus kakodanus Cameron, 1937 Paederus kambaitiensis (Scheerpeltz, 1965) Paederus kamonoensis Last, 1979 Paederus kaszabi Fagel, 1958 Paederus katrinae Willers, 2001 Paederus katubuensis Last, 1979 Paederus kilimandjarensis Fagel, 1958 Paederus kivuanus Fagel, 1956 Paederus kochi Fagel, 1958 Paederus koebelei Blackburn, 1899 Paederus konfuzius Willers, 2001 Paederus kopetzi Willers, 2001 Paederus kosempoensis Bernhauer, 1922 Paederus kozuensis Cameron, 1930 Paederus kraepelini Fauvel, 1905 Paederus kuborensis Last, 1985 Paederus kundelungensis Fagel, 1958 Paederus kuntzeni Wendeler, 1926 Paederus kurosawai (Y. Watanabe, 1986) Paederus lacordairei Perroud, 1864 Paederus laensis Last, 1979 Paederus laetipes Sharp, 1886 Paederus laetus Erichson, 1840 Paederus lamottei Fagel, 1963 Paederus langei Willers, 2003 Paederus lasti Fagel, 1958 Paederus lateralis Li, Solodovnikov & Zhou, 2014 Paederus laticeps Fagel, 1958 Paederus lativentris Wendeler, 1926 Paederus lewisi Cameron, 1930 Paederus licenti Bernhauer, 1938 Paederus limnophilus Erichson, 1840 Paederus lineativentris Bernhauer, 1928 Paederus lineodenticulatus Li & Zhou, 2007 Paederus lingualis Sharp, 1876 Paederus listeri Gahan, 1900 Paederus littoralis Gravenhorst, 1802 Paederus littorarius Gravenhorst, 1806 Paederus littoreus Austin, 1877 Paederus lividus Bernhauer, 1927 Paederus loebli Biswas & Sen Gupta, 1982 Paederus lombockianus Cameron, 1925 Paederus longiceps Bernhauer, 1902 Paederus lootensi Fagel, 1961 Paederus luberensis Fagel, 1954 Paederus luffianus Fagel, 1967 Paederus luridiventris Sharp, 1886 Paederus maai Last, 1985 Paederus macellus Fauvel, 1907 Paederus machadoanus Fagel, 1973 Paederus machadoi Scheerpeltz, 1965 Paederus madagascariensis Erichson, 1840 Paederus madudanus Fagel, 1958 Paederus mafuluensis Last, 1979 Paederus magniceps Bernhauer, 1905 Paederus magnificus Bernhauer, 1912 Paederus magnus Fagel, 1958