Tachys is een geslacht van kevers uit de familie van de loopkevers (Carabidae).Anichtchenko A. et al., (editors): Carabidae of the World. www.carabidae.org (bezocht: 20 tot 28 maart 2013) De wetenschappelijke naam van het geslacht is voor het eerst geldig gepubliceerd in 1821 door Dejean.

Soorten Het geslacht Tachys omvat de volgende soorten: Tachys abruptus Darlington, 1934 Tachys aeneipennis Motschulsky, 1862 Tachys aequinoctialis (Motschulsky, 1855) Tachys albipes Leconte, 1863 Tachys algiricus (Lucas, 1846) Tachys ambulatus Darlington, 1962 Tachys androyanus (Jeannel, 1946) Tachys angustulus Reitter, 1899 Tachys apex Darlington, 1962 Tachys arcanicola Blackburn, 1878 Tachys arculus Fauvel, 1882 Tachys argentinicus Csiki, 1928 Tachys artensis Montrouzier, 1860 Tachys asemus (Basilewsky, 1968) Tachys atamuradovi Kryzhanovskij & Mikhailov, 1987 Tachys atomarius Wollaston, 1867 Tachys atomus Blackburn, 1878 Tachys atratus A. Costa, 1883 Tachys atridermis Sloane, 1921 Tachys austinicus Casey, 1918 Tachys australicus Sloane, 1896 Tachys avius Darlington, 1962 Tachys baldiensis Blackburn, 1891 Tachys barbieri Straneo, 1953 Tachys bathyglyptus Andrewes, 1925 Tachys beatus Darlington, 1962 Tachys beaumonti Casey, 1918 Tachys bicoloratus Burgeon, 1935 Tachys bistriatus (Duftschmid, 1812) Tachys blackburni Sloane, 1921 Tachys blemoides (Jeannel, 1946) Tachys bloetei Andrewes, 1930 Tachys bolellus Darlington, 1962 Tachys bolus Darlington, 1962 Tachys bonariensis Steinheil, 1869 Tachys borkuensis (Bruneau De Mire, 1952) Tachys bouchardi Andrewes, 1931 Tachys brachys Andrewes, 1925 Tachys bradycellinus Hayward, 1900 Tachys bredoi (Basilewsky, 1953) Tachys brevicornis Chaudoir, 1846 Tachys brunneus Andrewes, 1925 Tachys brunniceps Andrewes, 1930 Tachys bryanti Lindroth, 1966 Tachys caffer Peringuey, 1896 Tachys caheni (Basilewsky, 1972) Tachys caledonicus Csiki, 1928 Tachys callipygus (Boheman, 1858) Tachys cameroni Andrewes, 1925 Tachys captus Blackburn, 1888 Tachys cardioderus Chaudoir, 1850 Tachys cardoni Andrewes, 1925 Tachys carib Darlington, 1935 Tachys carinulatus Sloane, 1921 Tachys caspius Kolenati, 1845 Tachys castaneicolor Bates, 1882 Tachys centralis J.sahlberg, 1900 Tachys centriustatus Reitter, 1894 Tachys centromaculatus Wollaston, 1864 Tachys chiriquinus Bates, 1882 Tachys cinctus Putzeys, 1875 Tachys collardi (Basilewsky, 1955) Tachys colonicus Casey, 1918 Tachys columbiensis Hayward, 1900 Tachys corax Leconte, 1852 Tachys coriaceus Broun, 1908 Tachys crypticola (Britton, 1960) Tachys cubax Darlington, 1934 Tachys curtulus (Basilewsky, 1953) Tachys curvans Bates, 1882 Tachys cycloderus Bates, 1871 Tachys cyprius Coulon, 2004 Tachys delamarei (Jeannel, 1962) Tachys delicatus Andrewes, 1925 Tachys dentatus Andrewes, 1925 Tachys descarpentriesi (Bruneau De Mire, 1965) Tachys devroeyi Burgeon, Tachys diaphanus Casey, 1918 Tachys dimediatus Motschulsky, 1849 Tachys diminutus Bates, 1871 Tachys diploharpinus Bates, 1878 Tachys discipennis Fauvel, 1903 Tachys dominicanus Darlington, 1934 Tachys dorsalis Motschulsky, 1851 Tachys dromioides Bates, 1871 Tachys dzosonicus Pawlowski, 1974 Tachys ectromioides Sloane, 1896 Tachys edax Leconte, 1852 Tachys ellenbergeri (Bruneau de Mire, 1964) Tachys erwini Reichardt, 1976 Tachys euryodes Bates, 1892 Tachys exochrias Darlington, 1962 Tachys fasciatus (Motschulsky, 1851) Tachys filax Darlington, 1934 Tachys flavax Darlington, 1962 Tachys flavicollis Motschulsky, 1862 Tachys fortestriatus Baehr, 2003 Tachys fortunatus Machado, 1989 Tachys frischi Coulon & Felix, 2009 Tachys fulvicollis (Dejean, 1831) Tachys fumax Darlington, 1962 Tachys gilvus Schaum, 1863 Tachys gracchus Andrewes, 1935 Tachys gyotokuensis Tanaka, 1956 Tachys halophilus Lindroth, 1966 Tachys holmi (Basilewsky, 1963) Tachys hyalinus Casey, 1918 Tachys hydrophilus (Germain, 1906) Tachys impictus Andrewes, 1925 Tachys impressipennis Motschulsky, 1859 Tachys impressus Motschulsky, 1851 Tachys incertus Andrewes, 1925 Tachys infuscatus Blackburn, 1888 Tachys iridipennis Chaudoir, 1876 Tachys jeannei Coulon, 2004 Tachys joannae (Basilewsky, 1962) Tachys jucundulus Peringuey, 1908 Tachys kabylianus Puel, 1935 Tachys kahuzianus (Basilewsky, 1953) Tachys kaorutanakai Habu, 1977 Tachys koizumii (Habu, 1961) Tachys koreanorum Pawlowski, 1974 Tachys laevigatus (Boheman, 1858) Tachys laevis (Say, 1823) Tachys lamottei (Bruneau De Mire, 1964) Tachys languidus Andrewes, 1925 Tachys latalatus Csiki, 1928 Tachys leleupi (Basilewsky, 1953) Tachys lenkoranus Csiki, 1928 Tachys leptocerus Chaudoir, 1876 Tachys limbatellus Bates, 1884 Tachys lindi Blackburn, 1888 Tachys lissonotus Andrewes, 1925 Tachys litoralis Casey, 1884 Tachys lividus (Bates, 1871) Tachys longulus Andrewes, 1925 Tachys lugubris Motschulsky, 1862 Tachys lusciosus Antoine, 1943 Tachys luscus Darlington, 1962 Tachys macleayi Sloane, 1896 Tachys mameti Alluaud, 1933 Tachys marggii Kirschenhofer, 1986 Tachys marri Baehr, 1987 Tachys masculus Darlington, 1962 Tachys massauxi (Basilewsky, 1955) Tachys mastersi Sloane, 1921 Tachys micros (Fischer von Waldheim, 1828) Tachys microscopicus (Bates, 1873) Tachys minusculus (Motschulsky, 1862) Tachys mirandus Coulon & Wrase, 2009 Tachys mirei (Basilewsky, 1968) Tachys misellus Laferte-Senectere, 1841 Tachys mitchelli Sloane, 1895 Tachys moira (Erwin, 1984) Tachys monostictus Bates, 1871 Tachys mordax Leconte, 1852 Tachys mulwalensis Sloane, 1900 Tachys mus Andrewes, 1925 Tachys myrmecophilus (Jeannel, 1946) Tachys nanniscus Peringuey, 1896 Tachys naraensis Ueno, 1953 Tachys nephelodes Andrewes, 1930 Tachys niger (Jeannel, 1953) Tachys nitmiluki (Giachino, 2003) Tachys nympha (Erwin, 1984) Tachys oahuensis Blackburn, 1878 Tachys oblitus Casey, 1918 Tachys obtusiusculus (Jeannel, 1941) Tachys ochrias Andrewes, 1925 Tachys ochrioides Darlington, 1962 Tachys olemartini Kirschenhofer, 1986 Tachys opalescens Andrewes, 1925 Tachys orphninus Andrewes, 1925 Tachys otini (Antoine, 1944) Tachys pallidus Chaudoir, 1868 Tachys pallorus Kopecky In Lobl & Smetana, 2003 Tachys palustris Reitter, 1894 Tachys panamensis Casey, 1918 Tachys particula Andrewes, 1936 Tachys paulax Darlington, 1934 Tachys pharao Schatzmayr & Koch, 1934 Tachys piceolus Laferte-Senectere, 1841 Tachys plagiatus Putzeys, 1875 Tachys pliginskii Solodovnikov, 2001 Tachys potomacus (Erwin, 1981) Tachys prionotus Andrewes, 1936 Tachys privus Darlington, 1962 Tachys prolixus Bates, 1892 Tachys proximus Say, 1823 Tachys pseudolusciosus Coulon, 2004 Tachys pseudosericeus Kirschenhofer, 1986 Tachys pujoli (Bruneau De Mire, 1964) Tachys pulchellus Laferte-Senectere, 1841 Tachys pumilus (Dejean, 1831) Tachys pusillimus Peringuey, 1896 Tachys quadrillum Schaum, 1860 Tachys queenslandicus Sloane, 1903 Tachys rambai Jedlicka, 1966 Tachys rapoporti (Jeannel, 1962) Tachys rectangulus Notman, 1919 Tachys rhodeanus Casey, 1918 Tachys ridiculus (L.Schaufuss, 1879) Tachys rufotestaceus Hayward, 1900 Tachys sagax Casey, 1918 Tachys schuberti Jedlicka, 1968 Tachys scitulus Leconte, 1848 Tachys scutellaris Stephens, 1828 Tachys sellatus Fairmaire, 1892 Tachys sequax Leconte, 1848 Tachys sericans Bates, 1873 Tachys sericeus Motschulsky, 1851 Tachys serra Darlington, 1962 Tachys serratus Andrewes, 1925 Tachys serrula Darlington, 1962 Tachys sexguttatus Fairmaire, 1849 Tachys shahinei Schatzmayr & Koch, 1934 Tachys shirazi Jedlicka, 1968 Tachys sibling Darlington, 1962 Tachys similis Blackburn, 1888 Tachys simulator Coulon, 2004 Tachys spadix Casey, 1918 Tachys striax Darlington, 1934 Tachys subangulatus Bates, 1871 Tachys subbrunneus Darlington, 1962 Tachys sublobatus Darlington, 1962 Tachys suboculatus (Basilewsky, 1958) Tachys sudanicus (Basilewsky, 1948) Tachys suensoni Kirschenhofer, 1986 Tachys sundaicus Andrewes, 1925 Tachys suturifer Reitter, 1884 Tachys sydneyensis Sloane, 1923 Tachys szekessyi Jedlicka, 1968 Tachys tantillus Motschulsky, 1862 Tachys tenuiserra Darlington, 1962 Tachys terra (Erwin, 1984) Tachys testaceus (Basilewsky, 1953) Tachys tetraphacus Bedel, 1896 Tachys tienmushaniensis Kirschenhofer, 1986 Tachys torretassoi Schatzmayr & Koch, 1934 Tachys transcaucasicus Coulon, 2004 Tachys translucens Darlington, 1937 Tachys transumbratus Bates, 1892 Tachys transversicollis (W.J.Macleay, 1871) Tachys trechoderus Coulon, 2004 Tachys trechulus Darlington, 1935 Tachys troglophilus Ueno, 1953 Tachys tropicus (Nietner, 1858) Tachys truncatus (Nietner, 1858) Tachys turkestanicus Csiki, 1928 Tachys ucayali (Erwin, 1984) Tachys uelensis Burgeon, 1935 Tachys uenoianus Habu, 1974 Tachys umbripennis Chaudoir, 1868 Tachys uniformis Blackburn, 1888 Tachys vandeli (Mateu & Colas, 1954) Tachys vandepolli (Bruneau De Mire, 1964) Tachys varsavianorum Pawlowski, 1974 Tachys ventricosus Leconte, 1863 Tachys venustus Andrewes, 1936 Tachys vernilis Casey, 1918 Tachys vibex Kopecky In Lobl & Smetana, 2003 Tachys vietnami Jedlicka, 1968 Tachys vilis Andrewes, 1925 Tachys virgo Leconte, 1852 Tachys vittiger Leconte, 1852 Tachys vorax Leconte, 1852 Tachys windsorensis Baehr, 1991 Tachys xanthochrous Chaudoir, 1876 Tachys yeboensis Burgeon, 1935 Tachys yodai Jedlicka & Chujo, 1964 Tachys yunchengensis Kirschenhofer, 1986 Tachys zonatus Andrewes, 1925 Tachys zulficari Schatzmayr & Koch, 1934