Subfamily Tribe Genus Subgenus Species Group Species Species Author Date Distribution Biology Notes Introduced Endemic Myrmicinae Tetramoriini Anergates atratulus (Schenck, 1852) Statewide, very warm localities, very rare. Social parasite of Tetramorium spp. Myrmicinae Pheidolini Aphaenogaster subterranea (Latreille, 1798) Statewide, very warm localities, rare. Strictly forest, nests under rocks and in leaf litter. Dolichoderinae Iridomyrmecini Bothriomyrmex corsicus mohelensis Novák, 1944  One locality in S only. Rock steppe. Nests in soil and under rocks. need to verify Dolichoderinae Iridomyrmecini Bothriomyrmex gibbus Soudek, 1924   East only, very rare. Steppe and rock steppe. Nests in soil and under rocks. Formicinae Camponotini Camponotus Tanaemyrmex aethiops (Latreille, 1798) Statewide, very warm localities, absent in the mountains. Steppe and rock steppe. Nests in soil and under rocks. Formicinae Camponotini Camponotus Myrmentoma fallax (Nylander, 1856) Statewide, warm localities, absent in the mountains. Strictly arboreal. Nests in hollow twigs, under bark and in dead wood of living trees. Formicinae Camponotini Camponotus Camponotus herculeanus (Linnaeus, 1758) Statewide, upland forests only. Nests in dead wood. Formicinae Camponotini Camponotus Camponotus ligniperda (Latreille, 1802) Statewide, warm localities, absent in the mountains. Grassland or very open woodland with bare ground exposed, occasionally ruderal. Nests in dead wood and under rocks. Formicinae Camponotini Camponotus Myrmentoma piceus (Leach, 1825) One area in SE only, very warm localities. Steppe and rock steppe. Nests in soil and under rocks. Formicinae Camponotini Camponotus Colobopsis truncatus (Spinola, 1808) Statewide, warm localities, absent in the mountains. Strictly arboreal. Nests in hollow twigs, under bark. Formicinae Camponotini Camponotus Camponotus vagus (Scopoli, 1763) One area in SE only, very warm localities. Grassland or very open woodland with bare ground exposed, occasionally ruderal. Nests in dead wood and under rocks. Dolichoderinae Dolichoderini Dolichoderus quadripunctatus (Linnaeus, 1771) Statewide, warm localities, absent in the mountains. Strictly arboreal. Nests in hollow twigs, under bark. Formicinae Formicini Formica Formica aquilonia Yarrow, 1955 South mountains, two localities only. Mountain forests only. Nests in large hills from needles and sticks. Formicinae Formicini Formica Serviformica cinerea Mayr, 1853 Statewide. Dirt roads, sand soils, also lawns and sidewalks in towns. Nests in soil and under rocks. Formicinae Formicini Formica Serviformica clara Forel, 1886 Statewide, very rare, absent in the mountains. Grassland, steppe and rock steppe. Nests in soil, under rocks and in small loam hills. Formicinae Formicini Formica Serviformica cunicularia Latreille, 1798 Statewide. Found in virtually all mesic grass habitats. Nests in soil, under rocks and in small loam hills. Formicinae Formicini Formica Coptoformica exsecta Nylander, 1846 Statewide, very rare. Grassland, pastures and meadows. Nests in small hills from pieces of vegetation and under rocks. Formicinae Formicini Formica Coptoformica foreli Bondroit, 1918 Statewide, very rare, absent in the mountains. Grassland, pastures and meadows.Nests in small hills from pieces of vegetation and under rocks. Formicinae Formicini Formica Serviformica fusca Linnaeus, 1758 Statewide. Found in virtually all mesic habitats, especially in forests and their edges. Nests in soil, under rocks and in small loam hills, in moss and dead wood. Formicinae Formicini Formica Serviformica gagates Latreille, 1798 One area in SE only, very warm localities. Forest steppe, dry and warm forest edges. Nests in soil, under rocks and in small loam hills. Formicinae Formicini Formica Serviformica lemani Bondroit, 1917 Statewide, higher altitude. Found in virtually all mesic habitats, especially in forests and their edges and in peat bogs. Nests in soil, under rocks and in small loam hills, in moss and dead wood. Formicinae Formicini Formica Formica lugubris Zetterstedt, 1840 Statewide. Upland forests only. Nests in large hills from needles and sticks. Formicinae Formicini Formica Serviformica picea Nylander, 1846 Western half only, especially in cold peat bog localities. Peat bogs, peaty moors with Sphagnum. Nests in peat, moss, grass turfs and dead wood. Formicinae Formicini Formica Formica polyctena Förster, 1850 Statewide. Forest. Nests in large hills from needles and sticks. Formicinae Formicini Formica Formica pratensis Retzius, 1783 Statewide. Pastures, meadows, edges of roads and forests. Nests in large hills from grass stalks. Formicinae Formicini Formica Coptoformica pressilabris Nyladner, 1846 Statewide, very rare, currently one locality only. Grassland, pastures and meadows. Nests in small hills from pieces of vegetation and under rocks. Formicinae Formicini Formica Formica rufa Linnaeus, 1758 Statewide. Lower-middle forest zone. Nests in large hills from needles and sticks. Formicinae Formicini Formica Serviformica rufibarbis Fabricius, 1793 Statewide. Found in virtually all mesic grass habitats. Nests in soil, under rocks and in small loam hills. Formicinae Formicini Formica Raptiformica sanguinea Latreille, 1798 Statewide. Found in virtually all mesic habitats, but most common in woodland edge sites. Facultative parasite of Serviformica, nests in soil under rocks and in dead wood. Formicinae Formicini Formica Formica truncorum Fabricius, 1804 Statewide. Forest and rock steppe. Nests in large hills from needles and sticks, especially on stumps. Myrmicinae Formicoxenini Formicoxenus nitidulus (Nylander, 1846) Statewide. Woodland, inquiline in nests of Formica rufa groups. Myrmicinae Formicoxenini Harpagoxenus sublaevis (Nylander, 1849) Statewide, especially in cold localities. Social parasite of Leptothorax acervorum. Ponerinae Ponerini Hypoponera punctatissima (Roger, 1859) Statewide, stables and stacks of sawdust. Man-influenced habitats. Nests in dung, mulch and scobs. Formicinae Lasiini Lasius Lasius alienus (Förster, 1850) Statewide. Strictly grassland, steppe. Nests in soil and under rocks. Formicinae Lasiini Lasius Lasius austriacus Schlick-Steiner, Steiner, Schoedl & Seifert, 2003 One locality in S only. Heathland. Nests in soil and under rocks. Formicinae Lasiini Lasius Chthonolasius bicornis (Förster, 1850) Statewide, warm localities, very rare. Forest steppe, dry and warm forests. Nests in/under stumps and fallen logs. Formicinae Lasiini Lasius Lasius brunneus (Latreille, 1798) Statewide. Strictly arboreal. Nests in/under bark and in dead wood of living trees. Formicinae Lasiini Lasius Austrolasius carniolicus Mayr, 1861 One known locality until now. Xerothermous grassland. Reference:http://www.entospol.cz/pdf/10_2/919_Pech.pdf Formicinae Lasiini Lasius Chthonolasius citrinus Emery, 1922 One locality in E only. In edges of warm forests. Nests in/under stumps and fallen logs and dead wood. Formicinae Lasiini Lasius Chthonolasius distinguendus (Emery, 1916) Eastern half only, very warm localities. Steppe. Nests in soil, under rocks and in small loam hills. Formicinae Lasiini Lasius Lasius emarginatus (Olivier, 1791) Statewide. Forest steppe, dry forest and urban area. Nests in soil under rocks especially at the base of the tree, also in the walls and rocks. Formicinae Lasiini Lasius Cautolasius flavus (Fabricius, 1781) Statewide. Found in virtually all mesic grass habitats. Nests in soil, under rocks and in small loam hills. Formicinae Lasiini Lasius Denrolasius fuliginosus (Latreille, 1798) Statewide. Carton nests in caverns of trees and stumps. Formicinae Lasiini Lasius Chthonolasius jensi Seifert, 1982 Statewide, warm calcite localities. Calcite rock steppe. Nests in soil, under rocks and in small loam hills. Formicinae Lasiini Lasius Chthonolasius meridionalis (Bondroit, 1919) Statewide, warm localities, very rare. Grassland. Nests in soil, under rocks and in small loam hills. Formicinae Lasiini Lasius Chthonolasius mixtus (Nylander, 1846) Statewide. Forest and scrub forest. Nests in soil, under rocks and in small loam hills. Formicinae Lasiini Lasius Cautolasius myops Forel, 1894 On very warm localities, rare. Steppe and rock steppe, xerothermous grassland. Nests in soil and under rocks. Reference: http://www.muzeumcb.cz/knihovna/?slozka=141&detail=389 Formicinae Lasiini Lasius Lasius niger (Linnaeus, 1758) Statewide. Found in virtually all habitats, but most common in grassland and ruderal sites. Nests in soil under rocks and in small loam hills. Formicinae Lasiini Lasius Chthonolasius nitidigaster Seifert, 1997 Eastern half only, very warm localities. Steppe. Nests in soil, under rocks and in small loam hills. Formicinae Lasiini Lasius Lasius paralienus Seifert, 1992 Statewide. Steppe, dry meadows, quarries. Nests in soil and under rocks. Formicinae Lasiini Lasius Lasius platythorax Seifert, 1991 Statewide. Forest, wet meadows and peat bogs. Nests in soil under rocks and in small loam hills, frequently in dead wood. Formicinae Lasiini Lasius Lasius psammophilus Seifert, 1992 Statewide, especially on sandy soils. Sand and dry localities. Nests in soil and under rocks. Formicinae Lasiini Lasius Austrolasius reginae Faber, 1967 Statewide, warm localities, very rare. Nests in soil, under rocks and in small loam hills. Formicinae Lasiini Lasius Chthonolasius sabularum (Bondroit, 1918) One locality in E only. Scrub steppe. Nests in soil, under rocks and in small loam hills. Formicinae Lasiini Lasius Chthonolasius umbratus (Nylander, 1846) Statewide. Grassland or very open woodland with bare ground exposed, occasionally ruderal. Nests in/under stumps and fallen logs and dead wood. Myrmicinae Formicoxenini Leptothorax acervorum (Fabricius, 1793) Statewide. Found in virtually all mesic habitats. Nests in soil, under rocks, moss, peat, bark and in dead wood. Myrmicinae Formicoxenini Leptothorax gredleri Mayr, 1855 Statewide. Found in virtually all mesic habitats. Nests in soil, under rocks, moss, bark and in dead wood. Myrmicinae Formicoxenini Leptothorax muscorum (Nylander, 1846) Statewide. Found in virtually all mesic habitats. Nests in soil, under rocks, moss, bark and in dead wood. Dolichoderinae Dolichoderini Liometopum microcephalum (Panzer, 1798) One area in SE only. Floodplain forests and very warm forests on limestone. Nests in dead wood of living trees. Myrmicinae Myrmicini Manica rubida (Latreille, 1802) Statewide, only higher altitudes. Edges of forests, along roads, sunny localities. Nests in soil under rocks and in small loam hills. Myrmicinae Pheidolini Messor structor (Latreille, 1798) SE only, very warm localities, very rare. Steppe and rock steppe. Nests in soil and under rocks. Myrmicinae Solenopsidini Monomorium pharaonis (Linnaeus, 1758) Urban areas only, introduced. Exclusively indoor. Nests in small cavities in heated buildings. Introducts ant Myrmicinae Myrmecinini Myrmecina graminicola (Latreille, 1802) Statewide, very warm localities, absent in the mountains. Light and dry forests, rock steppe. Subterranean, nests under rocks, occasionally forages in leaf litter or on the surface. Myrmicinae Myrmicini Myrmica deplanata Finzi, 1926 Statewide, very warm localities, very rare. Steppe and rock steppe. Nests in soil and under rocks. Myrmicinae Myrmicini Myrmica deplanata Myrmicinae Myrmicini Myrmica gallienii Bondroit, 1920 Statewide. Found in virtually all mesic grass habitats. Nests in soil, in grass turf and in very small loam hills. Myrmicinae Myrmicini Myrmica hirsuta Elmes, 1978 One locality in S only. Social parasite of Myrmica sabuleti. Myrmicinae Myrmicini Myrmica karavajevi Nylander, 1846 Statewide, especially in cold localities, very rare. Social parasite of Myrmica scabrinodis. Myrmicinae Myrmicini Myrmica lobicornis (Linnaeus, 1758) Statewide. Found in virtually all habitats. Nests in soil, under rocks, wood and moss. Myrmicinae Myrmicini Myrmica lonae Nylander, 1846 Western half only, very rare. Rock steppe, light forests. Nests in soil and under rocks. Myrmicinae Myrmicini Myrmica rubra Nylander, 1846 Statewide. Found in virtually all habitats, but most common in grassland and ruderal sites. Nests in soil, under rocks and dead wood, in grass turf, moss, peat and very small loam hills Myrmicinae Myrmicini Myrmica ruginodis Meinert, 1860 Statewide. Found in virtually all habitats, but most common in grassland and ruderal sites. Nests in soil, under rocks and dead wood, in grass turf, moss, peat and very small loam hills. Myrmicinae Myrmicini Myrmica rugulosa Ruzsky, 1905 Statewide. Especially sand-gravel banks of rivers and lakes. Nests in soil, under rocks. Myrmicinae Myrmicini Myrmica sabuleti Nylander, 1846 Statewide. Grassland or very open woodland with bare ground exposed, occasionally ruderal. Nests in soil and under rocks, especially grassland and drier forest. Myrmicinae Myrmicini Myrmica scabrinodis Bondroit, 1918 Statewide. Prefers grassland and peat bogs. Nests in soil, under rocks, in grass turf, moss, peat and very small loam hills. Myrmicinae Myrmicini Myrmica schencki Nylander, 1846 Statewide. Grassland, occasionally ruderal. Nests in soil, under rocks, in grass turf and very small loam hills. Myrmicinae Myrmicini Myrmica slovaca Emery, 1894 Statewide, very rare. Salt marshes. Nests in soil and under rocks, in grass turf, especially on lasine soil. Myrmicinae Myrmicini Myrmica specioides Bondroit, 1920 Statewide, warm localities. Steppe and rock steppe. Nests in soil, under rocks, in grass turf and very small loam hills. Myrmicinae Myrmicini Myrmica sulcinodis (Arnoldi, 1930) Statewide, only in the mountains. Mountain meadows, edges of mountain forests and roads. Nests in soil, under rocks. Myrmicinae Myrmicini Myrmica vandeli Ruzsky, 1905 Western half only, especially cold localities, very rare. Facultative parasite of Myrmica scabrinodis. Myrmicinae Formicoxenini Myrmoxenus ravouxi (André, 1896) Statewide, very rare. Social parasite of Temnothorax spp. Formicinae Plagiolepidini Plagiolepis pygmaea (Latreille, 1798) Statewide, very warm localities, absent in the mountains. Rock steppe. Nests in soil and under rocks. Formicinae Plagiolepidini Plagiolepis vindobonensis Lomnicki, 1925 Eastern half only, very warm localities. Steppe and rock steppe. Nests in soil and under rocks. Formicinae Plagiolepidini Plagiolepis xene Stärcke, 1936 One very warm locality in SE only. Social parasite of Plagiolepis vindobonensis. Nests in soil under rocks. Formicinae Formicini Polyergus rufescens (Latreille, 1798) Statewide, warm localities, absent in the mountains. Social parasite of Serviformica ants. Ponerinae Ponerini Ponera coarctata (Latreille, 1802) Statewide, warm localities, rare. Rock steppe, light and dry forests. Nests in soil and under rocks and moss. Ponerinae Ponerini Ponera testacea Emery, 1895 Statewide, very warm localities, very rare. Rock steppe, especially calcite. Nests in soil and under rocks and moss. Proceratiinae Proceratiini Proceratium melinum (Roger, 1860) SE only, very warm localities and urban, very rare. Steppe, rock steppe and urban. Subterranean, nests under rocks, occasionally forages in leaf litter or on the surface. Myrmicinae Solenopsidini Solenopsis fugax (Latreille, 1798) Statewide, warm localities. Found in virtually all mesic grass habitats. Nests in soil and under rocks, especially in nests of other ants. Myrmicinae Stenammini Stenamma debile (Förster, 1850) Statewide, warm forests. Subterranean, nests under rocks, occasionally forages in leaf litter or on the surface. Myrmicinae Tetramoriini Strongylognathus kratochvili Šilhavý, 1937 Two localities in SE only, very rare. Social parasite of Tetramorium spp. Myrmicinae Tetramoriini Strongylognathus testaceus (Schenck, 1852) Statewide, warm localities. Social parasite of Tetramorium spp. Dolichoderinae Dolichoderini Tapinoma erraticum (Latreille, 1798) Statewide, very warm localities, absent in the mountains. Steppe and rock steppe. Nests in soil, under rocks, in grass turfs. Dolichoderinae Dolichoderini Tapinoma madeirense Forel, 1895d: 231 Statewide, warm localities, absent in the mountains. Grassland or very open woodland with bare ground exposed, occasionally ruderal. Nests in soil, under rocks and in dead wood. Myrmicinae Formicoxenini Temnothorax affinis (Mayr, 1855) Statewide, warm localities, absent in the mountains. Strictly arboreal. Nests in hollow twigs, under bark. Myrmicinae Formicoxenini Temnothorax clypeatus (Mayr, 1853) SE only, very warm localities, very rare. Area of floodplain forests. Nests in dead wood. Myrmicinae Formicoxenini Temnothorax corticalis (Schenck, 1852) Statewide, warm localities, absent in the mountains. Forest steppe, dry forests. Nests in dead wood of living trees, in/under bark. Myrmicinae Formicoxenini Temnothorax crassispinus (Karavaiev, 1926) Statewide, absent in the mountains. Mesic woodlands. Nests in dead hollow twigs on the surface of the soil and leaf litter. Myrmicinae Formicoxenini Temnothorax interruptus (Schenck, 1852) Statewide, warm localities, absent in the mountains. Rock steppe, rocks. Nests under and between rocks and in cracks in rocks. Myrmicinae Formicoxenini Temnothorax jailensis (Arnoldi, 1977) One known locality until now. Floodplain forest, on trees. Reference:http://www.entospol.cz/pdf/10_2/912_Vodka.pdf Myrmicinae Formicoxenini Temnothorax nigriceps (Mayr, 1855) Statewide. Found in virtually all mesic habitats. Nests in soil, under rocks, moss, bark and in dead wood. Myrmicinae Formicoxenini Temnothorax parvulus (Schenck, 1852) Statewide, warm localities, absent in the mountains. Light forests and rock steppe. Nests in dead hollow twigs on the surface of the soil and leaf litter, in dead wood. Myrmicinae Formicoxenini Temnothorax saxonicus (Seifert, 1995) Statewide, very warm localities, absent in the mountains. Rock steppe. Nests in dead wood of living trees, in/under bark. Myrmicinae Formicoxenini Temnothorax tuberum (Fabricius, 1775) Statewide. Found in virtually all mesic habitats. Nests in dead wood of living trees, in/under bark, under rocks. Myrmicinae Formicoxenini Temnothorax unifasciatus (Latreille, 1798) Statewide. Found in virtually all mesic habitats. Nests in dead wood of living trees, in/under bark, under and between rocks. Myrmicinae Tetramoriini Tetramorium caespitum (Linnaeus, 1758) Statewide, warm localities. Prefers grassland, especially steppe and rock steppe, also urban. Nests in soil, under rocks and in small loam hills. Myrmicinae Tetramoriini Tetramorium E Eastern half only, a few data. Nests in soil, under rocks and in small loam hills. Myrmicinae Tetramoriini Tetramorium ferox Ruzsky, 1903 Eastern half only, very warm localities, very rare. Rock steppe, especially calcite. Nests in soil, under rocks and in small loam hills. Myrmicinae Tetramoriini Tetramorium hungaricum Roszler, 1935  Two localities in SE only, very rare. Steppe and rock steppe. Nests in soil, under rocks and in small loam hills. Myrmicinae Tetramoriini Tetramorium impurum (Förster, 1850) Statewide. Found in virtually all mesic grass habitats. Nests in soil, under rocks and in small loam hills. Myrmicinae Tetramoriini Tetramorium moravicum Kratochvíl, 1944 Statewide, very warm localities, rare. Steppe and rock steppe. Nests in soil, under rocks and in small loam hills.