Ichneumonidae Latreille, 1802
Gelis abortivus (Spinola, 1851)
Gelis acarorum (Linnaeus, 1758)
Gelis aciculatus (Strickland, 1912)
Gelis adili Bogacev, 1946
Gelis agilis (Fabricius, 1775)
Gelis alator Aubert, 1989
Gelis albanicus (Fahringer, 1923)
Gelis albicinctoides Schwarz, 1998
Gelis albicinctus (Ruthe, 1859)
Gelis albipalpus (Thomson, 1884)
Gelis albopilosus Schwarz, 2002
Gelis alegininus Carlson, 1979
Gelis algericus (Habermehl, 1920)
Gelis alogus (Viereck, 1905)
Gelis alopecosae Horstmann, 1986
Gelis alpinus (Strobl, 1901)
Gelis alpivagus (Strobl, 1901)
Gelis alternatus (Cresson, 1872)
Gelis anataelianus Ceballos, 1925
Gelis anatolicus Schwarz, 1998
Gelis aneichi Schwarz, 1998
Gelis annulatus (Strickland, 1912)
Gelis anthracinus (Forster, 1850)
Gelis apantelicidus (Viereck, 1913)
Gelis apantelis Cushman, 1927
Gelis aponius Schwarz, 2002
Gelis apterus (Pontoppidan, 1763)
Gelis araneator Seyrig, 1926
Gelis areator (Panzer, 1804)
Gelis areolatus Ceballos, 1927
Gelis ariamus Schwarz, 1998
Gelis asozanus (Uchida, 1930)
Gelis asperatus (Fonscolombe, 1852)
Gelis atratus (de Stefani, 1884)
Gelis austriacus Schwarz, 1998
Gelis avarus (Forster, 1850)
Gelis balcanicus Horstmann, 1993
Gelis balteatus (Thomson, 1885)
Gelis belfragei (Ashmead, 1890)
Gelis bellicus Bogacev, 1963
Gelis bicolor (Villers, 1789)
Gelis bicoloratus Bogacev, 1963
Gelis birkmani (Brues, 1903)
Gelis brassicae Horstmann, 1986
Gelis brevicauda (Thomson, 1884)
Gelis brevis (Bridgman, 1883)
Gelis brevistylus (Strickland, 1912)
Gelis brevithorax Roman, 1936
Gelis bruesii (Strickland, 1912)
Gelis brunneellus Schwarz, 2002
Gelis californicus (Ashmead, 1890)
Gelis campbellensis Townes, 1964
Gelis canadensis (Cresson, 1872)
Gelis canariensis Horstmann, 1986
Gelis carbonarius (de Stefani, 1884)
Gelis caudator Horstmann, 1986
Gelis caudatulus Horstmann, 1997
Gelis caudatus (Rudow, 1917)
Gelis cayennator (Thunberg, 1822)
Gelis cinctus (Linnaeus, 1758)
Gelis circumdatus (Schiodte, 1839)
Gelis claviventris (Strobl, 1901)
Gelis cockerelli (Brues, 1910)
Gelis coloradensis (Strickland, 1912)
Gelis columbianus (Ashmead, 1890)
Gelis compactus (Cresson, 1872)
Gelis constantineanui Ciochia, 1974
Gelis crassulus (Brues, 1903)
Gelis cursitans (Fabricius, 1775)
Gelis curvicauda Horstmann, 1993
Gelis cushmani Carlson, 1979
Gelis cyanurus (Forster, 1850)
Gelis davidsonii (Ashmead, 1896)
Gelis debilis (Provancher, 1886)
Gelis declivis (Forster, 1850)
Gelis delicatus (Cresson, 1872)
Gelis delumbis (Brues, 1910)
Gelis dendrolimi (Matsumura, 1926)
Gelis difficilis (Hedwig, 1950)
Gelis dimidiativentris (Rudow, 1917)
Gelis discedens (Forster, 1850)
Gelis dispar (Strickland, 1912)
Gelis divaricatus Horstmann, 1993
Gelis drassi (Riley, 1892)
Gelis edentatus (Forster, 1850)
Gelis elongatus (Rudow, 1917)
Gelis elymi (Thomson, 1884)
Gelis escalerai Ceballos, 1925
Gelis exareolatus (Forster, 1850)
Gelis excellens (Hedwig, 1961)
Gelis fabularis Schwarz, 1998
Gelis falcatus Horstmann, 1986
Gelis fallax (Forster, 1850)
Gelis fasciitinctus (Dalla Torre, 1901)
Gelis fenestralis (Brues, 1910)
Gelis ferruginosus (Strickland, 1912)
Gelis festinans (Fabricius, 1798)
Gelis formicarius (Linnaeus, 1758)
Gelis forticornis (Forster, 1850)
Gelis fortificator Aubert, 1980
Gelis fortunatus Schwarz, 1993
Gelis fossae Schwarz, 2002
Gelis foveatus (Brues, 1910)
Gelis fumipennis Horstmann, 1986
Gelis fuscicorniformis Ciochia, 1973
Gelis fuscicornis (Retzius, 1783)
Gelis gallicator (Aubert, 1971)
Gelis gelechiae (Ashmead, 1890)
Gelis gibbifrons (Thomson, 1884)
Gelis glacialis (Holmgren, 1869)
Gelis gracillimus (Dalla Torre, 1902)
Gelis habilis (Brues, 1910)
Gelis hammari (Viereck, 1912)
Gelis hebraicator Aubert, 1971
Gelis heidenreichi Habermehl, 1930
Gelis helleni Kolarov, 1993
Gelis hispanicus Schwarz, 2002
Gelis hortensis (Christ, 1791)
Gelis hypsibatus Schwarz, 1998
Gelis inermis (Viereck, 1903)
Gelis infumatus (Thomson, 1884)
Gelis insolitus (Howard, 1897)
Gelis intermedius (Forster, 1850)
Gelis inustus (Gravenhorst, 1829)
Gelis inutilis Cushman, 1927
Gelis karakurti (Rossikov, 1904)
Gelis keenii (Harrington, 1894)
Gelis kiesenwetteri (Forster, 1850)
Gelis kukakensis (Ashmead, 1902)
Gelis kumamotensis (Uchida, 1930)
Gelis latrodectiphagus (Hesse, 1942)
Gelis leiradoi Ceballos, 1925
Gelis lemae (Sonan, 1930)
Gelis leptogaster (Forster, 1850)
Gelis limbatus (Gravenhorst, 1829)
Gelis liparae (Giraud, 1863)
Gelis longicauda (Thomson, 1884)
Gelis longipes (Rudow, 1917)
Gelis longistylus (Strickland, 1912)
Gelis lucidulus (Forster, 1850)
Gelis lymensis (Strickland, 1912)
Gelis macer (Cresson, 1872)
Gelis macroptera (Strobl, 1901)
Gelis maculatus (Strickland, 1912)
Gelis maderi (Fahringer, 1923)
Gelis maesticolor (Roman, 1933)
Gelis mangeri (Gravenhorst, 1815)
Gelis manni (Strickland, 1912)
Gelis margaritae Bogacev, 1946
Gelis marikovskii Kuzin, 1948
Gelis maruyamensis (Uchida, 1932)
Gelis meabilis (Cresson, 1872)
Gelis meigenii (Forster, 1850)
Gelis melampus (Strobl, 1901)
Gelis melanocephalus (Schrank, 1781)
Gelis melanogaster (Thomson, 1884)
Gelis melanogonus (Gravenhorst, 1829)
Gelis melanophorus (Forster, 1851)
Gelis merceti Ceballos, 1925
Gelis merops Schwarz, 2002
Gelis meuseli (Lange, 1911)
Gelis micariae (Howard, 1892)
Gelis micrurus (Forster, 1850)
Gelis minimus (Walsh, 1861)
Gelis mitis Schwarz, 1994
Gelis monozonius (Gravenhorst, 1829)
Gelis mutillatus (Gmelin, 1790)
Gelis nahanojus Schwarz, 1998
Gelis napocai Ciochia, 1974
Gelis nigerrimus (Dalla Torre, 1902)
Gelis nigritulus (Zetterstedt, 1838)
Gelis nigriventris (Brues, 1903)
Gelis nigrofuscus (Strickland, 1912)
Gelis nitidus Horstmann, 1986
Gelis nivariensis Schwarz, 1993
Gelis nocuus Cushman, 1927
Gelis notabilis (Forster, 1850)
Gelis obesus (Ashmead, 1902)
Gelis obscuratus (Strobl, 1901)
Gelis obscuripes Horstmann, 1986
Gelis obscurus (Cresson, 1872)
Gelis operosus Schwarz, 2002
Gelis ornatulus (Thomson, 1884)
Gelis ostarrichi Schwarz, 1996
Gelis ottawaensis (Harrington, 1896)
Gelis pallipes (Forster, 1851)
Gelis pamirensis Bogacev, 1963
Gelis papaveris (Förster, 1856)
Gelis parens Schwarz, 1998
Gelis parfentjevi (Meyer, 1926)
Gelis pauxillus (Kokujev, 1909)
Gelis pavlovskii Jonaitis, 1981
Gelis pennsylvanicus (Strickland, 1912)
Gelis perniciosus (Viereck, 1913)
Gelis petraeus Schwarz, 1998
Gelis pettitii (Cresson, 1872)
Gelis pezomachorum (Ratzeburg, 1852)
Gelis philpottii (Brues, 1922)
Gelis picipes (Gravenhorst, 1829)
Gelis piger (Kokujev, 1909)
Gelis pilosulus (Thomson, 1884)
Gelis popofensis (Ashmead, 1902)
Gelis potteri Barron, 1987
Gelis povolnyi Sedivy, 1968
Gelis problematicus (Seyrig, 1952)
Gelis problemator Aubert, 1989
Gelis prospectus Schwarz, 1998
Gelis prosthesimae (Riley, 1892)
Gelis proximus (Forster, 1850)
Gelis pulicarius (Fabricius, 1793)
Gelis pusillus (de Stefani, 1884)
Gelis rabidae Barron, 1987
Gelis ragusae (de Stefani, 1884)
Gelis recens Schwarz, 2002
Gelis robustus (Strickland, 1912)
Gelis rotundiceps (Cresson, 1872)
Gelis rotundiventris (Forster, 1850)
Gelis rubricollis (Thomson, 1884)
Gelis ruficeps (Rudow, 1914)
Gelis rufipes (Forster, 1850)
Gelis rufogaster Thunberg, 1827
Gelis rufoniger Schwarz, 1998
Gelis rufotinctus (Bridgman, 1883)
Gelis rugifer (Thomson, 1884)
Gelis sanguinipectus (Schmiedeknecht, 1932)
Gelis sapporoensis (Ashmead, 1906)
Gelis schizocosae Barron & Bisdee, 1977
Gelis scvarskii (Rossikov, 1904)
Gelis semirufus (de Stefani, 1884)
Gelis sessilis (Provancher, 1874)
Gelis seyrigi Ceballos, 1925
Gelis shafae Jonaitis & Alijev, 1988
Gelis shawidaani Schwarz, 2002
Gelis shushae Jonaitis & Alijev, 1988
Gelis sibiricus (Szépligeti, 1901)
Gelis solus Schwarz, 2002
Gelis speciosus (Hellen, 1949)
Gelis spinula (Thomson, 1884)
Gelis spiraculus (Strickland, 1912)
Gelis spurius (Forster, 1850)
Gelis stanfordensis (Strickland, 1912)
Gelis stevenii (Gravenhorst, 1829)
Gelis stigmaterus (Cresson, 1872)
Gelis stigmaticus (Hedwig, 1961)
Gelis stigmatus (Ashmead, 1890)
Gelis stilatus (Rudow, 1914)
Gelis striativentris Schwarz, 2003
Gelis stricklandi Townes, 1944
Gelis takadai Momoi, 1970
Gelis tantillus (Cresson, 1872)
Gelis taschenbergii (Schmiedeknecht, 1897)
Gelis tauriscus Schwarz, 1998
Gelis tenellus (Say, 1835)
Gelis tenerifensis Schwarz, 1993
Gelis terribilis Schwarz, 2002
Gelis texanus (Cresson, 1872)
Gelis thersites (Schmiedeknecht, 1933)
Gelis thomsoni (Schmiedeknecht, 1933)
Gelis thripites (Taylor, 1860)
Gelis tibiator Schwarz, 2002
Gelis trux (Forster, 1850)
Gelis tubulosus (Fahringer, 1923)
Gelis turbator Schwarz, 2002
Gelis uniformis (Dalla Torre, 1902)
Gelis urbanus (Brues, 1910)
Gelis utahensis (Strickland, 1912)
Gelis vagabundus (Forster, 1850)
Gelis vasiljevi (Kokujev, 1912)
Gelis venatorius (Forster, 1850)
Gelis viduus (Forster, 1850)
Gelis virginiensis (Ashmead, 1890)
Gelis vulnerans (Forster, 1850)
Gelis westerhauseri Gistel, 1857
Gelis wheeleri (Brues, 1903)
Gelis yakutatensis (Ashmead, 1902)
Gelis zeirapherator (Aubert, 1966)