Checklist for Order Hymenoptera Linnaeus, 1758 (Ants) and region Davis (Yolo County, California, USA)
List of families for Davis (Yolo County) 19 Families width 194 Species | Halictidae Thomson, 1869 | Flower bees | 13 | Species | Taxom | | Sphecidae Latreille, 1802 | Digger & Sand wasps | 6 | Species | Taxom | | Andrenidae Webster, 1913 | Andrenid bees | 44 | Species | Taxom | | Megachilidae Schenk, 1860 | And Resin Bees | 25 | Species | Taxom | | Apidae Latreille, 1802 | Bumble bees | 39 | Species | Taxom | | Formicidae (Latreille, 1809) | Ants | 36 | Species | Taxom | | Crabronidae (Latreille, 1802) | Bee Wolves | 12 | Species | Taxom | | Chrysididae Latreille, 1802 | Chrysidid wasps | 3 | Species | Taxom | | Encyrtidae Walker, 1837 | Encyrtid wasps | 0 | Species | Taxom | | Colletidae Lepeletier, 1841 | Colletid bees | 5 | Species | Taxom | | Braconidae Latreille, 1829 | Braconid wasps | 1 | Species | Taxom | | Mutillidae André, 1907 | Cow ant | 0 | Species | Taxom | | Ichneumonidae Latreille, 1802 | Ichneumon flies | 3 | Species | Taxom | | Pteromalidae Dalman, 1820 | Pteromalid wasps | 0 | Species | Taxom | | Tenthredinidae Latreille, 1804 | Common sawflies | 2 | Species | Taxom | | Vespidae Leach, 1815 | And Allies | 1 | Species | Taxom | | Scelionidae Haliday, 1839 | Scelionid wasps | 2 | Species | Taxom | | Eulophidae Westwood, 1829 | Eulophid wasps | 1 | Species | Taxom | | Torymidae Walker, 1833 | Apple seed chalcids | 1 | Species | Taxom |
Genera for Davis (Yolo County) 94 Genera with 194 Species #ABCDEFGHLMNOPRSTX
| Agapostemon Guérin-Ménev..., 1872 | Agapostemon Sweat Bee | 3 | Species | Taxom | | Ammophila W. Kirby, 1856 | Beachgrass | 2 | Species | Taxom | | Andrena Fabricius, 1970 | Mining bee | 44 | Species | Taxom | | Anthidium Fabricius, 1878 | Carder Bees | 2 | Species | Taxom | | Anthophora Latreille, 1878 | Common Digger Bees | 4 | Species | Taxom | | Anthophorula Cockerell, 1925 | | 1 | Species | Taxom | | Aphaenogaster Mayr, 1895 | Collared Ants | 1 | Species | Taxom | | Apis Linnaeus, 1758 | Honey Bee | 1 | Species | Taxom | | Ashmeadiella Cockerell, 1897 | | 1 | Species | Taxom | | Astata Latreille, 1865 | | 2 | Species | Taxom | | Bombus Latreille, 1862 | Bumble Bee | 7 | Species | Taxom | | Brachymyrmex Mayr, 1868 | Rover ants | 2 | Species | Taxom | Caenochrysis Kimsey & Bohart, 1990 | | 0 | Species | Taxom | | Camponotus Mayr, 1870 | Black carpenter ant | 3 | Species | Taxom | | Cardiocondyla Emery, 1890 | | 1 | Species | Taxom | Centris Fabricius, 1804 | Centris Bees | 0 | Species | Taxom | | Cerceris Latreille, 1947 | Weevil Wasp | 3 | Species | Taxom | | Chalybion Dahlbom, 1867 | Blue mud dauber wasps | 1 | Species | Taxom | Chelostoma Latreille, 1809 | Scissor Bees | 0 | Species | Taxom | | Chrysis Linnaeus, 1791 | Cuckoo Wasp | 1 | Species | Taxom | Chrysoplatycerus Ashmead, 1889 | | 0 | Species | Taxom | | Coelioxys Latreille, 1909 | Cuckoo Leaf-Cutter Bees | 4 | Species | Taxom | | Colletes Latreille, 1905 | Cellophane bees | 1 | Species | Taxom | Cotesia Cameron, 1891 | | 0 | Species | Taxom | Dasymutilla Ashmead, 1899 | Cow Killer | 0 | Species | Taxom | | Diadasia Patton, 1939 | | 1 | Species | Taxom | Dialictus Robertson, 1902 | | 0 | Species | Taxom | | Dorymyrmex Mayr, 1866 | Cone ants | 2 | Species | Taxom | | Ectemnius Dahlbom, 1895 | Squarehead Wasp | 1 | Species | Taxom | | Elampus Spinola, 1879 | | 1 | Species | Taxom | | Elaphropoda Lieftinck, 1966 | | 1 | Species | Taxom | | Enicospilus Stephens, 1981 | | 1 | Species | Taxom | | Eucera Scopoli, 1969 | Long-Horned Bees | 2 | Species | Taxom | | Formica Linnaeus, 1906 | And Field Ants | 3 | Species | Taxom | Glyptapanteles Ashmead, 1904 | | 0 | Species | Taxom | | Gorytes Latreille, 1856 | | 1 | Species | Taxom | Habropoda Smith, 1854 | | 0 | Species | Taxom | | Halictus Latreille, 1895 | End-banded Furrow Bees | 4 | Species | Taxom | Halticoptera Spinola, 1811 | | 0 | Species | Taxom | | Hylaeus Fabricius, 1896 | Masked Bees | 4 | Species | Taxom | | Hypoponera Santschi, 1859 | | 1 | Species | Taxom | | Hypothereutes Förster, 0 | | 1 | Species | Taxom | | Lagonis Ross, 1880 | | 1 | Species | Taxom | | Lasioglossum Curtis, 1902 | Base-banded Furrow Bees | 3 | Species | Taxom | | Lathrolestes Förster, 1897 | | 1 | Species | Taxom | | Linepithema Mayr, 1868 | | 1 | Species | Taxom | | Liometopum Mayr, 1895 | Velvety Tree Ants | 1 | Species | Taxom | | Megachile Latreille, 1894 | And Resin Bees | 9 | Species | Taxom | | Melipona Illiger, 1836 | | 1 | Species | Taxom | | Melissodes Latreille, 1961 | Long-horned Bee | 9 | Species | Taxom | | Mischocyttarus Saussure, 1854 | | 1 | Species | Taxom | | Monomorium Mayr, 1758 | | 3 | Species | Taxom | | Neivamyrmex Borgmeier, 1872 | Legionary Ants | 1 | Species | Taxom | | Nomada Scopoli, 1990 | Cuckoo Bees | 6 | Species | Taxom | | Nomioides Schenck, 1933 | Alkali Bees | 1 | Species | Taxom | | Nysson Latreille, 1882 | | 1 | Species | Taxom | | Osmia Panzer, 1837 | Mason bee | 6 | Species | Taxom | | Panurginus Nylander, 1926 | | 1 | Species | Taxom | | Paratrechina Motschoulsky, 1846 | Crazy ants | 1 | Species | Taxom | Parnopes Latreille, 1796 | | 0 | Species | Taxom | | Peponapis Robertson, 1837 | Squash Bees | 1 | Species | Taxom | | Pheidole Westwood, 1901 | Big-headed Ants | 2 | Species | Taxom | | Pholetesor Mason, 1911 | | 1 | Species | Taxom | | Pogonomyrmex Mayr, 1870 | Harvester Ants | 1 | Species | Taxom | | Prenolepis Mayr, 1836 | False Honey Ants | 1 | Species | Taxom | | Prionyx Vander Linden, 1775 | | 1 | Species | Taxom | | Protosmia Ducke, 1898 | Chelostomopsis | 1 | Species | Taxom | Pseudencyrtus Ashmead, 1900 | | 0 | Species | Taxom | | Pseudomalus Ashmead, 1763 | | 1 | Species | Taxom | Ptilothrix Smith, 1853 | | 0 | Species | Taxom | | Pyramica Roger, 1869 | | 1 | Species | Taxom | | Rhadinoceraea Konow, 1923 | | 1 | Species | Taxom | Scaptotrigona Moure, 1942 | | 0 | Species | Taxom | | Sceliphron Klug, 1773 | Black Mud-Dauber Wasps | 1 | Species | Taxom | | Solenopsis Westwood, 1879 | Fire ants | 3 | Species | Taxom | | Solierella Spinola, 1897 | | 2 | Species | Taxom | | Sphecodes Latreille, 1913 | Blood Bees | 2 | Species | Taxom | | Sphex Linnaeus, 1867 | Digger wasps | 1 | Species | Taxom | | Stelis Sw., 0 | Cuckoo Carder Bees | 2 | Species | Taxom | | Stenamma Westwood, 1973 | | 3 | Species | Taxom | Svastra Holmberg, 1884 | | 0 | Species | Taxom | Synhalonia Patton, 1879 | | 0 | Species | Taxom | | Tachysphex Kohl, 1906 | Black cockroach hunter | 1 | Species | Taxom | | Tachytes Panzer, 1856 | | 1 | Species | Taxom | | Tapinoma Förster, 1836 | | 1 | Species | Taxom | | Telenomus Haliday, 1893 | | 1 | Species | Taxom | | Temnothorax Mayr, 1895 | Acorn Ants | 3 | Species | Taxom | | Tetramorium Mayr, 1758 | Fierce Ants | 1 | Species | Taxom | | Tetrastichus Walker, 1963 | | 1 | Species | Taxom | | Torymoides Walker, 2005 | | 1 | Species | Taxom | | Triepeolus Robertson, 1921 | | 4 | Species | Taxom | | Trissolcus Ashmead, 1893 | | 1 | Species | Taxom | | Xeromelecta Linsley, 1878 | | 1 | Species | Taxom | Xylocopa Latreille, 1802 | Carpenter bees | 0 | Species | Taxom |
Species list for Davis (Yolo County) 194 Species | Agapostemon (Agapostemon) angelicus Cockerell, 1924 | | | Agapostemon (Agapostemon) femoratus Crawford, 1901 | | | Agapostemon (Agapostemon) texanus Cresson, 1872 | Green sweat bee | | Ammophila cleopatra Menke, 1964 | | | Ammophila placida F. Smith, 1856 | | | Andrena (Anchandrena) angustella Cockerell, 1936 | | | Andrena (Cremandrena) anisochlora Cockerell, 1936 | | | Andrena (Diandrena) cuneilabris Viereck, 1926 | | | Andrena (Diandrena) subchalybea (Viereck, 1916) | ⇒ Andrena chlorosoma Linsley & Ma..., 1961 | | Andrena (Diandrena) submoesta Viereck, 1916 | Yellow screwstem | | Andrena (Euandrena) chlorura Cockerell, 1916 | | | Andrena (Euandrena) suavis Timberlake, 1938 | | | Andrena (Hesperandrena) lativentris Timberlake, 1951 | | | Andrena (Larandrena) miserabilis Cresson, 1872 | Mining bee | | Andrena (Melandrena) cerasifolii Cockerell, 1896 | | | Andrena (Melandrena) perimelas Cockerell, 1905 | | | Andrena (Melandrena) sola Viereck, 1916 | Lonely Andrena | | Andrena (Micrandrena) chlorogaster Viereck, 1904 | | | Andrena (Micrandrena) piperi Viereck, 1904 | | | Andrena (Oligandrena) nigroclypeata Linsley, 1939 | | | Andrena (Parandrena) concinnula Cockerell, 1898 | | | Andrena (Parandrena) nevadensis Cresson, 1879 | | | Andrena (Scaphandrena) plana Viereck, 1904 | | | Andrena (Scaphandrena) scurra Viereck, 1904 | | | Andrena (Scoliandrena) cryptanthae Timberlake, 1951 | | | Andrena (Simandrena) angustitarsata Viereck, 1904 | | | Andrena (Simandrena) hypoleuca Cockerell, 1939 | | | Andrena (Simandrena) orthocarpi Cockerell, 1936 | | | Andrena (Simandrena) pallidifovea Viereck, 1904 | Pale-fovea Andrena | | Andrena (Simandrena) pensilis Timberlake, 1938 | | | Andrena (Simandrena) subtrita Cockerell, 1910 | | | Andrena (Thysandrena) candida Smith, 1879 | Bunchberry dogwood | | Andrena (Thysandrena) knuthiana Cockerell, 1901 | | | Andrena (Thysandrena) w-scripta Viereck, 1904 | W-Marked Miner Bee | | Andrena (Trachandrena) fuscicauda Viereck, 1904 | Dark-tailed Andrena | | Andrena (Trachandrena) semipunctata Cockerell, 1902 | | | Andrena (Tylandrena) layiae Timberlake, 1951 | | | Andrena (Tylandrena) subaustralis Cockerell, 1898 | | | Andrena cercocarpi Cockerell, 1936 | | | Andrena cymatilis LaBerge, 1987 | | | Andrena dissona Thorp & LaBerge, 2005 | | | Andrena duboisi Timberlake, 1951 | | | Andrena escondida Cockerell, 1938 | | | Andrena mackieae Cockerell, 1937 | | | Andrena misella Timberlake, 1951 | | | Andrena pallidiscopa Viereck, 1904 | | | Andrena penemisella LaBerge & Ri..., 1975 | | | Andrena sublayiae LaBerge & Bo..., 1970 | | | Anthidium (Anthidium) edwardsii Cresson, 1878 | Edwards´ Wool-carder Bee | | Anthidium (Anthidium) maculosum Cresson, 1878 | | | Anthophora (Heliophila) curta (Provancher, 1895) | ⇒ Anthophora squammulosa Dours, 1869 | | Anthophora (Heliophila) flavocincta Huard, 1897 | | | Anthophora (Mystacanthophora) urbana Cresson, 1878 | | | Anthophora (Pyganthophora) edwardsii Cresson, 1878 | | | Anthophorula (Anthophorisca) chionura Cockerell, 1925 | | | Aphaenogaster occidentalis Emery, 1895 | | | Apis (Apis) mellifera Linnaeus, 1758 | Drone-Bee | | Ashmeadiella (Ashmeadiella) cactorum (Cockerell, 1897) | ⇒ Ashmeadiella aridula Cockerell, 1910 | | Astata bakeri Parker, 1962 | | | Astata nubecula (Cresson, 1865) | ⇒ Astata occidentalis Cresson, 1881 | | Bombus (Bombus) occidentalis (Greene, 1858) | ⇒ Bombus terricola Kirby, 1837 | | Bombus (Crotchiibombus) crotchii Cresson, 1878 | Crotch bumble bee | | Bombus (Fervidobombus) californicus (Smith, 1854) | ⇒ Bombus fervidus Fabricius, 1798 | | Bombus (Fervidobombus) pensylvanicus De Geer, 1773 | American bumble bee | | Bombus (Fervidobombus) sonorus (Say, 1837) | ⇒ Bombus pensylvanica De Geer, 1773 | | Bombus (Pyrobombus) melanopygus Nylander, 1848 | Black tail bumble bee | | Bombus (Pyrobombus) vosnesenskii Radoszkowski, 1862 | Vosnesensky bumble bee | | Brachymyrmex depilis Emery, 1893 | Hairless Rover Ant | | Brachymyrmex patagonicus Mayr, 1868 | Dark rover ant | | Camponotus (Myrmentoma) essigi Smith, M.R., 1923 | | | Camponotus (Tanaemyrmex) maccooki Forel, 1879 | | | Camponotus (Tanaemyrmex) vicinus Mayr, 1870 | Maculate carpenter ant | | Cardiocondyla mauritanica Forel, 1890 | Moorish Sneaking Ant | | Cerceris acanthophila (Cockerell, 1897) | ⇒ Cerceris huachuca Banks, 1947 | | Cerceris nigrescens Smith, 1856 | | | Cerceris sextoides Banks, 1947 | | | Chalybion californicum Saussure, 1867 | Blue mud dauber | | Chrysis iris Christ, 1791 | | | Coelioxys (Boreocoelioxys) octodentata Say, 1824 | Eight-toothed Cuckoo-leaf-cutter | | Coelioxys (Boreocoelioxys) rufitarsis Smith, 1854 | Red-Footed Cuckoo Leaf-Cutter Bee | | Coelioxys (Xerocoelioxys) edita Cresson, 1872 | | | Coelioxys novomexicana Cockerell, 1909 | | | Colletes intermixtus Swenk, 1905 | Peppertree | | Diadasia (Coquillettapis) consociata Timberlake, 1939 | | | Dorymyrmex bicolor Wheeler, W.M., 1906 | Bi-colored Pyramid Ant | | Dorymyrmex insanus Buckley, 1866 | Pyramid ant | | Ectemnius spiniferus Fox, 1895 | | | Elampus marginatus (Patton, 1879) | ⇒ Omalus iridescens Norton, 1879 | | Elaphropoda bembidion Lieftinck, 1966 | Cascade cave amphipod | | Enicospilus miscophus Gauld & Mitc..., 1981 | | | Eucera (Synhalonia) actuosa Cresson, 1878 | | | Eucera (Synhalonia) amsinckiae Timberlake, 1969 | | | Formica aerata Francoeur, 1973 | Grey field ant | | Formica lasioides Emery, 1893 | Tapered pigtoe | | Formica moki Wheeler, W.M., 1906 | | | Gorytes simillimus Smith, 1856 | | | Halictus (Nealictus) farinosus (Smith, 1853) | ⇒ Halictus farinosus Smith, 1853 | | Halictus (Odontalictus) ligatus Say, 1837 | Ligated Furrow Bee | | Halictus (Protohalictus) rubicundus (Christ, 1791) | ⇒ Halictus rubicundus Christ, 1791 | | Halictus (Seladonia) tripartitus Cockerell, 1895 | | | Hylaeus (Cephalylaeus) nunenmacheri Bridwell, 1919 | | | Hylaeus (Hylaeus) conspicuus Metz, 1911 | | | Hylaeus (Hylaeus) leptocephalus Morawitz, 1870 | Slender-faced Masked Bee | | Hylaeus (Prosopis) episcopalis Cockerell, 1896 | | | Hypoponera punctatissima Roger, 1859 | Pantropical mini-ponerine ant | | Hypothereutes exiguae | | | Lagonis nevadensis Cresson, 1880 | | | Lasioglossum (Dialictus) incompletum Crawford, 1907 | | | Lasioglossum (Lasioglossum) mellipes Crawford, 1907 | | | Lasioglossum (Lasioglossum) titusi Crawford, 1902 | Titus´ Lasioglossum | | Lathrolestes platynus Davis, 1897 | | | Linepithema humile Mayr, 1868 | Argentine ant | | Liometopum occidentale Emery, 1895 | Beaver-tail fairy shrimp | | Megachile (Eutricharaea) concinna Smith, 1853 | Elegant leaf-cutter bee | | Megachile (Litomegachile) brevis (Say, 1837) | ⇒ Megachile pseudobrevis Mitchell, 1934 | | Megachile (Litomegachile) coquilletti Cockerell, 1915 | | | Megachile (Litomegachile) gentilis Cresson, 1872 | Leafcutter bee | | Megachile (Litomegachile) lippiae Cockerell, 1900 | | | Megachile (Litomegachile) onobrychidis Cockerell, 1908 | Western Little Leaf-cutter Bee | | Megachile (Megachiloides) legalis Cresson, 1879 | | | Megachile (Neoeutrichaea) rotundata Fabricius, 1793 | Alfalfa leaf-cutter bee | | Megachile chelostomoides Gribodo, 1894 | | | Melipona (Melipona) quadrifasciata Lepeletier, 1836 | Stingless bee | | Melissodes (Callimelissodes) lupina Cresson, 1878 | | | Melissodes (Callimelissodes) stearnsi Cockerell, 1905 | | | Melissodes (Eumelissodes) agilis Cresson, 1878 | Agile Long-horned Bee | | Melissodes (Eumelissodes) bicolorata LaBerge, 1961 | | | Melissodes (Eumelissodes) lutulenta LaBerge, 1961 | | | Melissodes (Eumelissodes) pallidisignata Cockerell, 1905 | | | Melissodes (Eumelissodes) robustior Cockerell, 1915 | Robust Long-horned Bee | | Melissodes appressa LaBerge, 1961 | | | Melissodes hurdi LaBerge, 1961 | | | Mischocyttarus (Phi) flavitarsis Saussure, 1854 | Wasp | | Monomorium ergatogyna Wheeler, 1904 | | | Monomorium opacior Forel, 1913 | | | Monomorium pharaonis Linnaeus, 1758 | Egyptian red ant | | Neivamyrmex nigrescens Cresson, 1872 | | | Nomada crotchii Cresson, 1878 | | | Nomada elegantula Cresson, 1903 | | | Nomada formula Viereck, 1902 | | | Nomada hemphilli Cockerell, 1903 | | | Nomada hesperia Cockerell, 1903 | | | Nomada hirtiventris Schwarz, 1990 | | | Nomioides galerita Blüthgen, 1933 | | | Nysson tristis Cresson, 1882 | | | Osmia (Cephalosmia) montana Cresson, 1864 | | | Osmia (Melanosmia) atrocyanea Cockerell, 1897 | | | Osmia (Melanosmia) gabrielis Cockerell, 1910 | | | Osmia (Melanosmia) raritatis Michener, 1957 | | | Osmia (Mystacosmia) nemoris Sandhouse, 1924 | | | Osmia (Osmia) lignaria Say, 1837 | Blue orchard bee | | Panurginus nigrellus Crawford, 1926 | | | Paratrechina vividula (Nylander, 1846) | ⇒ Nylanderia vividula Nylander, 1846 | | Peponapis (Peponapis) pruinosa Say, 1837 | Eastern cucurbit bee | | Pheidole californica Mayr, 1870 | Turgid blossom | | Pheidole navigans Forel, 1901 | Navigating big-headed ant | | Pholetesor bedelliae Viereck, 1911 | Parasitoid Wasp | | Pogonomyrmex subdentatus Mayr, 1870 | | | Prenolepis imparis Say, 1836 | False Honey Ant | | Prionyx thomae Fabricius, 1775 | Mud dauber | | Protosmia (Chelostomopsis) rubifloris Cockerell, 1898 | | | Pseudomalus violaceus Scopoli, 1763 | | | Pyramica membranifera (Emery, 1869) | ⇒ Strumigenys membranifera Emery, 1869 | | Rhadinoceraea (Veratra) aldrichi Macgillivray, 1923 | | | Sceliphron (Sceliphron) caementarium (Drury, 1773) | ⇒ Chalybion ammophiloides Hensen, 1988 | | Solenopsis (Diplorhoptrum) molesta (Say, 1836) | ⇒ Diplorhoptrum molestum Emery, 1895 | | Solenopsis (Diplorhoptrum) tennesseensis Smith, M.R., 1951 | Graytwig | | Solenopsis (Solenopsis) xyloni McCook, 1879 | Southern fire ant | | Solierella blaisdelli Bridwell, 1920 | | | Solierella peckhami Ashmead, 1897 | Crabronid wasp | | Sphecodes arvensiformis Cockerell, 1904 | | | Sphecodes patruelis Cockerell, 1913 | | | Sphex (Fernaldina) lucae Saussure, 1867 | | | Stelis (Dolichostelis) laticincta Cresson, 1878 | | | Stelis (Stelidium) ashmeadiella | | | Stenamma californicum Snelling, R.R., 1973 | | | Stenamma diecki Emery, 1895 | Turgid blossom | | Stenamma punctatoventre Snelling, R.R., 1973 | | | Tachysphex clarconis Viereck, 1906 | | | Tachytes distinctus (Smith, 1856) | ⇒ Tachytes auricomans Bradley, 1919 | | Tapinoma sessile Say, 1836 | Coconut ant | | Telenomus podisi Ashmead, 1893 | | | Temnothorax nitens Emery, 1895 | | | Temnothorax rudis Wheeler, 1917 | | | Temnothorax rugatulus Emery, 1895 | | | Tetramorium immigrans (Linnaeus, 1758) | ⇒ Tetramorium caespitum Linnaeus, 1758 | | Tetrastichus auplopus Burks, 1963 | | | Torymoides boucekianus Grissell, 2005 | | | Triepeolus concavus (Cresson, 1878) | ⇒ Doeringiella concava | | Triepeolus subalpinus Cockerell, 1910 | | | Triepeolus subnitens Cockerell & ..., 1929 | | | Triepeolus utahensis Cockerell, 1921 | | | Trissolcus euschisti Ashmead, 1893 | | | Xeromelecta (Melectomorpha) californica Cresson, 1878 | California Xeromelecta |
Subnodes of Hymenoptera with occurrences in Davis (Yolo County)
Links, sources and further information Hymenoptera at bacs-s02.bacs.uq.edu.au Hymenoptera at hol.osu.edu Hymenoptera at landcareresearch.co.nz Hymenoptera at papua-insects.nl Hymenoptera at zoologie.umons.ac.be Hymenoptera at artfakta.se Hymenoptera at dyntaxa.se Hymenoptera at gbif.org Hymenoptera at irmng.org Hymenoptera at itis.gov
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