Reference Year Taxa New  Cum Tot additions/changes
Burmeister 1839 4 4 4 Epitheca semiaquea, Libellula auripennis, Libellula pulchella,
4 Libellula trimaculata = Plathemis lydia
Rambur 1842 1 1 5 Libellua camilla= Celithemis eponina
Selys & Hagan 1850 1 1 6 Diplax albifrons = Sympetrum ambiguum
Selys 1853 4 4 10 Calopteryx angustipennis, C. elegans = C. angustipennis,
10 Hetaerina septentrionalis = H. titia and H. tricolor = H. titia
Selys 1854a 6 3 13 Calopteryx dimidiata, C. maculata, C. virginica =C. aequabilis
Selys 1854b 4 4 17 Gomphus minutus, Cordulegaster maculata, Cordulegaster fasciata,
17 Cordulegaster sayi
Selys 1858 6 2 19 Arigomphus pallidus, Dromogomphus spinosus
Selys 1859 2 19
Hagan 1861 43 27 46 Calopteryx splendens, Lestes rectangularis, Argia bipunctulata,
 Enallagma signatum, Ischnura hastata, I. posita, I. ramburii,  Anax junius,
A. longipes, Gomphus pilipes=A. pallidus, G. dilatatus,
Epitheca princeps, E. costalis, Somatochlora filosa, Celithemis amanda,
Erythemis simplicicollis, E. haematogastra, Erythrodiplax minuscula,
E. umbrata, Ladona deplanata, Libellula axilena, L. lydia, L. semifasciata,
 Pachydiplax longipennis,  Nannophya maculosa, Pantala flavescens,
Tramea carolina
Libellula camilla synonomized and replaced with Celithemis eponina
Selys 1862 2 1 47 Lestes forcipatus
Hagan 1863 54 11 58 Argia f.  Fumipennis, Agrion fontium = Argia tibialis, Basiaeschna janata,
Aeschna quadriguttata = Boyeria vinosa, Didymops transversa,
Macromia taeniolata, Cordulia lateralis = Epith. cynosura, Celithemis elisa,
Libellula plumbea = L. flavida, Nannothemis bella,
 Perithemis domitia = P. tenera
Selys 1865 3 58
Hagan 1866 1 58
Hagan 1868 1 58
Brauer 1868 1 58
Selys 1869 1 58
Selys 1871 5 58
Hagan 1873 1 58
Hagan (1 removed) 1874 66 11 69 Aeschna abboti = Coryphaeschna ingens, A. virens = C. viriditas
Progomphus Borealis = P. obscurus, Epiaeschna heros,
 Gomphaeschna antilope, G. furcillata, Epitheca spingera,
Somatochlora linearis, Celithemis ornata, Libellula incesta, 
 Lestes hamata = L. forcipatus
Agrion fontium synonomized and replaced with Argia tibialis
-1 68 Calopteryx virginica synonomized with C. aequalbilis and  removed
Hagan (2 removed) 1875 48 1 69 Perithemis tenera
-1 68 Caloptreryx splendens removed.
-1 67 Lestes hamata synonomized with Lestes forcipatus
Aeshna abboti synonomized and replaced with Coryphaeschna ingens
Aeschna quadriguttata synonomized and replaced with Boyeria vinosa
Cordulia lateralis synonomized and replaced with Epitheca cynosura,
Selys 1876 2 1 68 Ischnura verticalis
Selys 1878a 4 1 69 Dromogomphus armatus
Progomphus borealis corrected to P. obsucurus
Selys 1878b 4 3 72 Macromia georgina, Epitheca spinosa, Helocordulia selysii
Selys (1 removed) 1879 2 -1 71 Calopteryx elegans is the female of C. angustipennis
Hagan 1889 3 71
Karsch 1889 1 71
Kirby (1 removed) 1890 15 71 Hetaerina septentrionalis synonomized and replaced with H. titia,
Hagan 1890a 3 71
Calvert 1890 2 71
Banks 1892 46 71
Calvert 1893 23 2 73 Lestes uncata = L. dryas, Ladona exusta = L. deplanata
Calvert 1898 4 73
Williamson 1899 1 73
Calvert 1901 1 73
Calvert 1902 1 73
Calvert 1903a 1 73
Calvert 1903b 2 73
Williamson 1903a 1 73
Calvert 1904 1 73
Calvert 1906 9 73 Perithemis domitia from Georgia are P.domitia seminole
Martin 1906 9 1 74 Somatachlora semicircularis
Calvert 1907 1 74
Martin 1908 2 74
Muttkowski 1910 30 3 77 Hetaerina limbata= H. titia, Anax concolor=longipes, Libellula cyanea
-1 76 Gomphus pilipes is synonomized with Arigomphus pallidus
Ris 1910 14 1 77 Libellula vibrans
Williamson 1910 1 77
Davis 1911 2 1 78 Tachopteryx thoreyi
Muttkowski 1911 1 78
Ris 1911 9 3 81 Erythrodiplax berenice, Sympetrum corruptum, S. vicinum 
Diplax albifrons synonomized and replaced with S. ambiguum
Ris 1912 4 81
Calvert 1912 1 81
Ris 1913 2 81
Calvert 1913 1 1 82 Nehalennia integricollis
Williamson 1914 1 82
Bradley 1914 16 2 84 Calopteryx apicalis = C. dimidiata, Tramea onusta
Muttkowski 1915 4 2 86 Epitheca calverti (described) , E. stella  
Ris 1916 2 86
Kennedy 1917 1 86
Calvert 1921 1 86
Calvert 1922 1 86
Williamson 1922c 4 86
Williamson 1923a 1 1 87 Triacanthagyna trifida
Williamson 1923b 1 1 88 Stylurus scudderi
Root 1924 45 11 99 Lestes vigilax,  Argia apicalis, A. moesta, A. sedula, Enallagma daeckii
E. doubledayi, E. dubium (described), E. geminatum, Ischnura prognata,
Somatochlora provocans, Pantala hymenea
Walker 1925 4 1 100 Somatochlora georgiana described
Byers 1927a 1 100
Byers 1927b 1 1 101 Enallagma weewa described
Byers 1927c 1 101
Needham & Heywood 1929 28 1 102 Stylurus plagiatus
Byers (2 removed) 1930 16 -1 101 Libellua trimaculata removed due to Synonomy with P. lydia
-1 100 Hetaerina limbata removed due to Synonomy with H. titia
-1 99 Hetaerina tricolor removed due to synonomy with H. titia
Libellua plumbea synonomized and replaced with L flavida
Shortess 1930 1 99
Ris (1 removed) 1930 -1 98 Perithemis domitia seminole from Georgia are P. tenera
Byers 1931 39 1 99 Nasiaeschna pentacantha
Williamson 1932 2 2 101 Stylurus ivae & S. laurae described
Davis (1 removed) 1933 1 -1 100 Epitheca calverti removed due to Synonomy with E. semiaquea
Williamson 1934 53 4 104 Enallagma civile, E. concisum, E. vesperum, Ischnura kellicotti
Pritchard 1935 1 1 105 Celithemis verna described
Byers 1937 1 1 106 Neurocordulia virginiensis
Byers 1939 1 106
Gloyd 1940 2 106
Westfall 1941 1 106
Borror 1942 2 -1 105 Nannophya maculosa = Erythrodiplax maculosa is removed
Westfall 1943 2 2 107 Libellula jesseana, L, needhami described
Montgomery 1945 4 107
Montgomery 1947 4 2 109 Gomphus exilis, Dromogomphus spoliatus
Montgomery 1948 1 109
Walker 1952 1 1 110 Lestes d. australis described
Westfall 1953 1 1 111 Neurocordulia molesta
Needham & Westfall 1955 77 11 122 Erpetogomphus designatus, Gomphus vastus, G. lividus,
Hagenius brevistylus,  Cordulegaster diastatops, Macromia alleghaniensis,
Neurocordulia alabamensis (described),  Celithemis bertha, C. leonora,
 Libellula luctuosa, Tramea lacerata.
Cross 1955 2 122
Kormondy 1960 5 5 127 Gynacantha nervosa, Stylurus notatus, S. spiniceps,
Macromia margarita, Dythemis velox
Bennefield 1965 -1 126 Ladona exusta removed due to taxonomic clarification, records = deplanata
Ries & Cruden 1966 1 126
Roback & Westfall 1967 4 126
Tai 1967 2 126
Gloyd 1968 1 1 127 Argia f. atra described
Johnson 1972 1 127
Johnson 1973b 1 -1 126 Calopteryx apicalis removed due to synonomy with C. dimidiata
Johnson 1973a 2 1 127 Hetaerina americana
Donnely 1973 1 1 128 Enallagma t. traviatum
Johnson 1974 2 128
Westfall 1974 2 128
Dunkle 1975 1 1 129 Brachymesia gravida 
Tennessen 1977 1 129
Bick 1978 1 1 130 Cordulegaster erronea
Carle 1979 1 1 131 Gomphus (Gomphus) geminatus described
Westfall & Tennessen 1979 2 -1 130 previous Dromogomophus spoliatus removed due to misidentification
Carle 1980 1 1 131 Lanthus vernalis described
Louton 1982 36 6 137 Gomphus crassus (map), Gomphus hybridus, Gomphus lineatifrons,
G. rogersi, G. parvidens, Stylogomphus albistylus
Carle 1982 1 1 138 Ophiogomphus incurvatus incurvatus
Dunkle & Westfall 1982 1 138
Dunkle 1983 10 7 145 Nehalennia gracilis, Aeshna umbrosa, Boyeria grafiana,
 Gomphus consanguis, Stylurus amnicola, Somatochlora elongata,
 Sympetrum rubicundulum
Carle 1983 1 145 Cordulegaster diastatops replaced with C. bilieanata  
Bick 1983b 3 145 3 records shared with dunkle 1983
Kondratieff & Pyott 1987 1 145
Donnelly 1987 1 145
Cuyler 1989b 4 145
Dunkle 1989 2 145
Cook 1989 2 145
Bick 1990 3 3 148 Telebasis byersi, Epitheca sepia, Sympetrum semicinctum
Daigle 1992 1 148
Carle 1993 4 148
Garrison 1994a 1 1 149 Argia Translata
Garrison 1994b 1 149
Donnelly & Tennessen 1994 1 149
Mauffray 1995a 10 149
Mauffray 1995b 1 149
Dunkle 1995 1 149
Westfall & May 1996 49 14 163 Archilestes grandis, Lestes inaequalis, L. vidua, Amphiagrion saucium,
Chromagrion conditum, Enallagma aspersum, E. basidens, E. davisi,
 E. divagans, E. durum, E. exsulans, E. hageni, E. pallidum, E. pollutum
Bick 1997 1 1 164 Orthemis ferruginea
Mauffray 1998 7 7 171 Gomphus apomyius, G. diminutus, Ophiogomphus edmundo,
O. mainensis, Helocordulia uhleri, Neurocordulia obsoleta,
 Somatochlora tenebrosa
Tennessen 1998 6 171
Caldwell 1999 1 1 172 Archilestes grandis
NW&M 2000 121 6 178 Aphylla williamsoni, Dromogomphus spoliatus, Gomphus septima
Gomphus quadricolor, Cordulegaster o. obliqua, Miathyria marcella,
Dunkle 2000 3 178
Mauffray 2003 1 1 179 Gomphus adelphus 
Bick 2003 5 -1 178 Gomphus septima removed
Paulson 2003 1 178
Donnely 2003 Lestes disjuctus australis raised to species status: L australis
Mauffray 2004 2 2 180 Lestes eurinus, Arigomphus villosipes  
This publication 2005 173 4 184 Calopteryx amata, Argia f. violacea, Enallagma coecum,
Gomphus australis
-1 183 Lestes dryas is removed
-1 182 Lestes forcipatus is removed
-1 181 Aeshna virens = Coryphaeschna viriditas is removed
-1 180 Anax concolor removed due to synonomy with A. longipes
-1 179 Gomphus crassus is removed due to lack of voucher
-1 178 Epitheca spingera is removed from the list
-1 177 Somatachlora semicircularis is removed
-1 176 Celithemis leonora is removed due to synonomy with C. bertha
-1 175 Erythemis haematogastra is removed
-1 174 Erythrodiplax umbrata removed due to no modern records
-1 173 Libellula jesseana removed due to no voucher specimens