Species Collected in Williams County
- Progomphus obscurus (Rambur), 1842 - Common Sanddragon - Family: Gomphidae - Species Number: 3
- Hagenius brevistylus Selys, 1854 - Dragonhunter - Family: Gomphidae - Species Number: 7
- Ophiogomphus rupinsulensis (Walsh), 1862 - Rusty Snaketail - Family: Gomphidae - Species Number: 14
- Gomphus fraternus (Say), 1839 - Midland Clubtail - Family: Gomphidae - Species Number: 33
- Gomphus externus Hagen, 1858 - Plains Clubtail - Family: Gomphidae - Species Number: 34
- Stylurus amnicola Walsh, 1862 - Riverine Clubtail - Family: Gomphidae - Species Number: 41
- Gomphus ventricosus Walsh, 1863 - Skillet Clubtail - Family: Gomphidae - Species Number: 43
- Stylurus notatus Rambur, 1842 - Elusive Clubtail - Family: Gomphidae - Species Number: 48
- Stylurus plagiatus Selys, 1854 - Russet-tipped Clubtail - Family: Gomphidae - Species Number: 49
- Stylurus spiniceps (Walsh), 1862 - Arrow Clubtail - Family: Gomphidae - Species Number: 50
- Gomphus lividus Selys, 1854 - Ashy Clubtail - Family: Gomphidae - Species Number: 51
- Gomphus graslinellus Walsh, 1862 - Pronghorn Clubtail - Family: Gomphidae - Species Number: 55
- Gomphus exilis Selys, 1854 - Lancet Clubtail - Family: Gomphidae - Species Number: 58
- Gomphus spicatus Hagen, 1854 - Dusky Clubtail - Family: Gomphidae - Species Number: 59
- Gomphus quadricolor Walsh, 1862 - Rapids Clubtail - Family: Gomphidae - Species Number: 64
- Arigomphus furcifer Hagen, 1878 - Lilypad Clubtail - Family: Gomphidae - Species Number: 71
- Arigomphus villosipes Selys, 1854 - Unicorn Clubtail - Family: Gomphidae - Species Number: 72
- Stylurus laurae Williamson, 1932 - Laura's Clubtail - Family: Gomphidae - Species Number: 72A
- Dromogomphus spoliatus (Hagen), 1858 - Flag-tail Spinyleg - Family: Gomphidae - Species Number: 74
- Dromogomphus spinosus Selys, 1854 - Black-shouldered Spinyleg - Family: Gomphidae - Species Number: 75
- Basiaeschna janata (Say), 1839 - Springtime Darner - Family: Aeshnidae - Species Number: 80
- Boyeria vinosa (Say), 1839 - Fawn Darner - Family: Aeshnidae - Species Number: 81
- Anax longipes Hagen, 1861 - Comet Darner - Family: Aeshnidae - Species Number: 83
- Anax junius (Drury), 1770 - Common Green Darner - Family: Aeshnidae - Species Number: 85
- Nasiaeschna pentacantha (Rambur), 1842 - Cyrano Darner - Family: Aeshnidae - Species Number: 90
- Epiaeschna heros (Fabricius), 1798 - Swamp Darner - Family: Aeshnidae - Species Number: 91
- Aeshna mutata Hagen, 1961 - Spatterdock Darner - Family: Aeshnidae - Species Number: 96
- Aeshna umbrosa Walker, 1908 - Shadow Darner - Family: Aeshnidae - Species Number: 97
- Aeshna constricta Say, 1839 - Lance-tipped Darner - Family: Aeshnidae - Species Number: 101
- Aeshna interrupta Walker, 1908 - Variable Darner - Family: Aeshnidae - Species Number: 102
- Aeshna clepsydra Say, 1839 - Mottled Darner - Family: Aeshnidae - Species Number: 103
- Aeshna tuberculifera Walker, 1908 - Black-tipped Darner - Family: Aeshnidae - Species Number: 107
- Aeshna canadensis Walker, 1908 - Canada Darner - Family: Aeshnidae - Species Number: 108
- Aeshna verticalis Hagen, 1861 - Green-striped Darner - Family: Aeshnidae - Species Number: 109
- Cordulegaster obliqua (Say), 1839 - Arrowhead Spiketail - Family: Cordulegastridae - Species Number: 117
- Macromia illinoiensis illinoiensis Walsh, 1862 - Illinois River Cruiser - Family: Macromiidae - Species Number: 121
- Macromia taeniolata Rambur, 1842 - Royal River Cruiser - Family: Macromiidae - Species Number: 123
- Epitheca princeps Hagen, 1861 - Prince Baskettail - Family: Corduliidae - Species Number: 136
- Epitheca cynosura (Say), 1839 - Common Baskettail - Family: Corduliidae - Species Number: 138
- Somatochlora linearis (Hagen), 1861 - Mocha Emerald - Family: Corduliidae - Species Number: 146
- Somatochlora hineana Williamson, 1931 - Hine's Emerald - Family: Corduliidae - Species Number: 148A
- Perithemis tenera (Say), 1839 - Eastern Amberwing - Family: Libellulidae - Species Number: 172D
- Celithemis eponina (Drury), 1773 - Halloween Pennant - Family: Libellulidae - Species Number: 173
- Celithemis elisa (Hagen), 1861 - Calico Pennant - Family: Libellulidae - Species Number: 174
- Celithemis fasciata Williamson, 1910 - Banded Pennant - Family: Libellulidae - Species Number: 175
- Libellula julia (Uhler), 1857 - Chalk-fronted Corporal - Family: Libellulidae - Species Number: 189
- Libellula luctuosa Burmeister, 1839 - Widow Skimmer - Family: Libellulidae - Species Number: 190
- Libellula cyanea Fabricius, 1775 - Eastern Spangled Skimmer - Family: Libellulidae - Species Number: 196
- Libellula semifasciata Burmeister, 1839 - Painted Skimmer - Family: Libellulidae - Species Number: 198
- Libellula pulchella Drury, 1770 - Twelve-spotted Skimmer - Family: Libellulidae - Species Number: 199
- Libellula quadrimaculata Linnaeus, 1758 - Four-spotted Skimmer - Family: Libellulidae - Species Number: 201
- Libellula incesta Hagen, 1861 - Slaty Skimmer - Family: Libellulidae - Species Number: 204
- Libellula vibrans Fabricius, 1793 - Great Blue Skimmer - Family: Libellulidae - Species Number: 205
- Libellula lydia Drury, 1770 - Common Whitetail - Family: Libellulidae - Species Number: 207
- Sympetrum obtrusum (Hagen), 1867 - White-faced Meadowhawk - Family: Libellulidae - Species Number: 216
- Sympetrum internum Montgomery, 1943 - Cherry-faced Meadowhawk - Family: Libellulidae - Species Number: 216A
- Sympetrum rubicundulum (Say), 1839 - Ruby Meadowhawk - Family: Libellulidae - Species Number: 217
- Sympetrum semicinctum (Say), 1839 - Band-winged Meadowhawk - Family: Libellulidae - Species Number: 219
- Sympetrum vicinum (Hagen), 1861 - Yellow-legged Meadowhawk - Family: Libellulidae - Species Number: 220
- Sympetrum costiferum (Hagen), 1861 - Saffron-winged Meadowhawk - Family: Libellulidae - Species Number: 221
- Leucorrhinia intacta Hagen, 1961 - Dot-tailed Whiteface - Family: Libellulidae - Species Number: 225
- Pachydiplax longipennis (Burmeister), 1839 - Blue Dasher - Family: Libellulidae - Species Number: 230
- Erythemis simplicicollis Say, 1839 - Eastern Pondhawk - Family: Libellulidae - Species Number: 231
- Pantala hymenaea (Say), 1839 - Spot-winged Glider - Family: Libellulidae - Species Number: 238
- Pantala flavescens (Fabricius), 1798 - Wandering Glider - Family: Libellulidae - Species Number: 239
- Tramea lacerata Hagen, 1861 - Black Saddlebags - Family: Libellulidae - Species Number: 242
- Tramea carolina (Linneaus), 1763 - Carolina Saddlebags - Family: Libellulidae - Species Number: 244
- Calopteryx aequabilis Selys, 1839 - River Jewelwing - Family: Calopterygidae - Species Number: 248
- Calopteryx maculata (Beauvois), 1805 - Ebony Jewelwing - Family: Calopterygidae - Species Number: 251
- Hetaerina americana (Fabricius), 1798 - American Rubyspot - Family: Calopterygidae - Species Number: 254
- Hetaerina titia (Drury), 1773 - Smokey Ruby-spot - Family: Calopterygidae - Species Number: 256
- Lestes inaequalis Walsh, 1862 - Elegant Spreadwing - Family: Lestidae - Species Number: 259
- Lestes eurinus Say, 1839 - Amber-winged Spreadwing - Family: Lestidae - Species Number: 260
- Lestes congener Hagen, 1861 - Spotted Spreadwing - Family: Lestidae - Species Number: 261
- Lestes unguiculatus Hagen, 1861 - Lyre-tipped Spreadwing - Family: Lestidae - Species Number: 262
- Lestes forcipatus Rambur, 1842 - Sweetflag Spreadwing - Family: Lestidae - Species Number: 265
- Lestes disjunctus ssp. - - Family: Lestidae - Species Number: 266-
- Lestes d. australis Walker, 1952 - Southern Spreadwing - Family: Lestidae - Species Number: 266B
- Lestes rectangularis Say, 1839 - Slender Spreadwing - Family: Lestidae - Species Number: 267
- Lestes dryas Kirby, 1890 - Emerald Spreadwing - Family: Lestidae - Species Number: 268
- Lestes vigilax Hagen, 1862 - Swamp Spreadwing - Family: Lestidae - Species Number: 270
- Argia apicalis (Say), 1839 - Blue-fronted Dancer - Family: Coenagrionidae - Species Number: 277
- Argia fumipennis violacea (Hagen), 1861 - Violet Dancer - Family: Coenagrionidae - Species Number: 280A
- Argia moesta (Hagen), 1861 - Powdered Dancer - Family: Coenagrionidae - Species Number: 284
- Argia sedula (Hagen), 1861 - Blue-ringed Dancer - Family: Coenagrionidae - Species Number: 286
- Argia tibialis (Rambur), 1842 - Blue-tipped Dancer - Family: Coenagrionidae - Species Number: 288
- Amphiagrion saucium (Burmeister), 1839 - Eastern Red Damsel - Family: Coenagrionidae - Species Number: 295
- Nehalennia gracilis Morse, 1895 - Sphagnum Sprite - Family: Coenagrionidae - Species Number: 298
- Nehalennia irene (Hagen), 1861 - Sedge Sprite - Family: Coenagrionidae - Species Number: 300
- Chromagrion conditum (Hagen), 1876 - Aurora Damsel - Family: Coenagrionidae - Species Number: 301
- Enallagma divagans Selys, 1876 - Turquoise Bluet - Family: Coenagrionidae - Species Number: 306
- Enallagma hageni (Walsh), 1863 - Hagen's Bluet - Family: Coenagrionidae - Species Number: 307
- Enallagma boreale Selys, 1875 - Boreal Bluet - Family: Coenagrionidae - Species Number: 308
- Enallagma cyathigerum (Charpentier), 1840 - Northern Bluet - Family: Coenagrionidae - Species Number: 310
- Enallagma geminatum Kellocott, 1895 - Skimming Bluet - Family: Coenagrionidae - Species Number: 314
- Enallagma signatum (Hagen), 1861 - Orange Bluet - Family: Coenagrionidae - Species Number: 321
- Enallagma vesperum Calvert, 1919 - Vesper Bluet - Family: Coenagrionidae - Species Number: 322
- Enallagma ebrium (Hagen), 1861 - Marsh Bluet - Family: Coenagrionidae - Species Number: 326
- Enallagma exsulans (Hagen), 1861 - Stream Bluet - Family: Coenagrionidae - Species Number: 327
- Enallagma antennatum (Say), 1839 - Rainbow Bluet - Family: Coenagrionidae - Species Number: 330
- Enallagma civile (Hagen), 1861 - Familiar Bluet - Family: Coenagrionidae - Species Number: 333
- Enallagma basidens Calvert, 1902 - Double-striped Bluet - Family: Coenagrionidae - Species Number: 338
- Enallagma aspersum (Hagen), 1861 - Azure Bluet - Family: Coenagrionidae - Species Number: 339
- Enallagma traviatum Selys, 1876 - Long-tailed Bluet - Family: Coenagrionidae - Species Number: 341
- Enallagma traviatum westfalli Donnelly, 1964 - Western Slender Bluet - Family: Coenagrionidae - Species Number: 341B
- Ischnura posita (Hagen), 1861 - Fragile Forktail - Family: Coenagrionidae - Species Number: 349
- Ischnura kellicotti Williamson, 1898 - Lilypad Forktail - Family: Coenagrionidae - Species Number: 350
- Ischnura verticalis (Say), 1839 - Eastern Forktail - Family: Coenagrionidae - Species Number: 357
- Ischnura hastata (Say), 1839 - Citrine Forktail - Family: Coenagrionidae - Species Number: 360
Williams County: 109 species, 1545 records.
List by common name:
- Common Sanddragon - Progomphus obscurus (Rambur), 1842 - Family: Gomphidae - Species Number: 3
- Dragonhunter - Hagenius brevistylus Selys, 1854 - Family: Gomphidae - Species Number: 7
- Rusty Snaketail - Ophiogomphus rupinsulensis (Walsh), 1862 - Family: Gomphidae - Species Number: 14
- Midland Clubtail - Gomphus fraternus (Say), 1839 - Family: Gomphidae - Species Number: 33
- Plains Clubtail - Gomphus externus Hagen, 1858 - Family: Gomphidae - Species Number: 34
- Riverine Clubtail - Stylurus amnicola Walsh, 1862 - Family: Gomphidae - Species Number: 41
- Skillet Clubtail - Gomphus ventricosus Walsh, 1863 - Family: Gomphidae - Species Number: 43
- Elusive Clubtail - Stylurus notatus Rambur, 1842 - Family: Gomphidae - Species Number: 48
- Russet-tipped Clubtail - Stylurus plagiatus Selys, 1854 - Family: Gomphidae - Species Number: 49
- Arrow Clubtail - Stylurus spiniceps (Walsh), 1862 - Family: Gomphidae - Species Number: 50
- Ashy Clubtail - Gomphus lividus Selys, 1854 - Family: Gomphidae - Species Number: 51
- Pronghorn Clubtail - Gomphus graslinellus Walsh, 1862 - Family: Gomphidae - Species Number: 55
- Lancet Clubtail - Gomphus exilis Selys, 1854 - Family: Gomphidae - Species Number: 58
- Dusky Clubtail - Gomphus spicatus Hagen, 1854 - Family: Gomphidae - Species Number: 59
- Rapids Clubtail - Gomphus quadricolor Walsh, 1862 - Family: Gomphidae - Species Number: 64
- Lilypad Clubtail - Arigomphus furcifer Hagen, 1878 - Family: Gomphidae - Species Number: 71
- Unicorn Clubtail - Arigomphus villosipes Selys, 1854 - Family: Gomphidae - Species Number: 72
- Laura's Clubtail - Stylurus laurae Williamson, 1932 - Family: Gomphidae - Species Number: 72A
- Flag-tail Spinyleg - Dromogomphus spoliatus (Hagen), 1858 - Family: Gomphidae - Species Number: 74
- Black-shouldered Spinyleg - Dromogomphus spinosus Selys, 1854 - Family: Gomphidae - Species Number: 75
- Springtime Darner - Basiaeschna janata (Say), 1839 - Family: Aeshnidae - Species Number: 80
- Fawn Darner - Boyeria vinosa (Say), 1839 - Family: Aeshnidae - Species Number: 81
- Comet Darner - Anax longipes Hagen, 1861 - Family: Aeshnidae - Species Number: 83
- Common Green Darner - Anax junius (Drury), 1770 - Family: Aeshnidae - Species Number: 85
- Cyrano Darner - Nasiaeschna pentacantha (Rambur), 1842 - Family: Aeshnidae - Species Number: 90
- Swamp Darner - Epiaeschna heros (Fabricius), 1798 - Family: Aeshnidae - Species Number: 91
- Spatterdock Darner - Aeshna mutata Hagen, 1961 - Family: Aeshnidae - Species Number: 96
- Shadow Darner - Aeshna umbrosa Walker, 1908 - Family: Aeshnidae - Species Number: 97
- Lance-tipped Darner - Aeshna constricta Say, 1839 - Family: Aeshnidae - Species Number: 101
- Variable Darner - Aeshna interrupta Walker, 1908 - Family: Aeshnidae - Species Number: 102
- Mottled Darner - Aeshna clepsydra Say, 1839 - Family: Aeshnidae - Species Number: 103
- Black-tipped Darner - Aeshna tuberculifera Walker, 1908 - Family: Aeshnidae - Species Number: 107
- Canada Darner - Aeshna canadensis Walker, 1908 - Family: Aeshnidae - Species Number: 108
- Green-striped Darner - Aeshna verticalis Hagen, 1861 - Family: Aeshnidae - Species Number: 109
- Arrowhead Spiketail - Cordulegaster obliqua (Say), 1839 - Family: Cordulegastridae - Species Number: 117
- Illinois River Cruiser - Macromia illinoiensis illinoiensis Walsh, 1862 - Family: Macromiidae - Species Number: 121
- Royal River Cruiser - Macromia taeniolata Rambur, 1842 - Family: Macromiidae - Species Number: 123
- Prince Baskettail - Epitheca princeps Hagen, 1861 - Family: Corduliidae - Species Number: 136
- Common Baskettail - Epitheca cynosura (Say), 1839 - Family: Corduliidae - Species Number: 138
- Mocha Emerald - Somatochlora linearis (Hagen), 1861 - Family: Corduliidae - Species Number: 146
- Hine's Emerald - Somatochlora hineana Williamson, 1931 - Family: Corduliidae - Species Number: 148A
- Eastern Amberwing - Perithemis tenera (Say), 1839 - Family: Libellulidae - Species Number: 172D
- Halloween Pennant - Celithemis eponina (Drury), 1773 - Family: Libellulidae - Species Number: 173
- Calico Pennant - Celithemis elisa (Hagen), 1861 - Family: Libellulidae - Species Number: 174
- Banded Pennant - Celithemis fasciata Williamson, 1910 - Family: Libellulidae - Species Number: 175
- Chalk-fronted Corporal - Libellula julia (Uhler), 1857 - Family: Libellulidae - Species Number: 189
- Widow Skimmer - Libellula luctuosa Burmeister, 1839 - Family: Libellulidae - Species Number: 190
- Eastern Spangled Skimmer - Libellula cyanea Fabricius, 1775 - Family: Libellulidae - Species Number: 196
- Painted Skimmer - Libellula semifasciata Burmeister, 1839 - Family: Libellulidae - Species Number: 198
- Twelve-spotted Skimmer - Libellula pulchella Drury, 1770 - Family: Libellulidae - Species Number: 199
- Four-spotted Skimmer - Libellula quadrimaculata Linnaeus, 1758 - Family: Libellulidae - Species Number: 201
- Slaty Skimmer - Libellula incesta Hagen, 1861 - Family: Libellulidae - Species Number: 204
- Great Blue Skimmer - Libellula vibrans Fabricius, 1793 - Family: Libellulidae - Species Number: 205
- Common Whitetail - Libellula lydia Drury, 1770 - Family: Libellulidae - Species Number: 207
- White-faced Meadowhawk - Sympetrum obtrusum (Hagen), 1867 - Family: Libellulidae - Species Number: 216
- Cherry-faced Meadowhawk - Sympetrum internum Montgomery, 1943 - Family: Libellulidae - Species Number: 216A
- Ruby Meadowhawk - Sympetrum rubicundulum (Say), 1839 - Family: Libellulidae - Species Number: 217
- Band-winged Meadowhawk - Sympetrum semicinctum (Say), 1839 - Family: Libellulidae - Species Number: 219
- Yellow-legged Meadowhawk - Sympetrum vicinum (Hagen), 1861 - Family: Libellulidae - Species Number: 220
- Saffron-winged Meadowhawk - Sympetrum costiferum (Hagen), 1861 - Family: Libellulidae - Species Number: 221
- Dot-tailed Whiteface - Leucorrhinia intacta Hagen, 1961 - Family: Libellulidae - Species Number: 225
- Blue Dasher - Pachydiplax longipennis (Burmeister), 1839 - Family: Libellulidae - Species Number: 230
- Eastern Pondhawk - Erythemis simplicicollis Say, 1839 - Family: Libellulidae - Species Number: 231
- Spot-winged Glider - Pantala hymenaea (Say), 1839 - Family: Libellulidae - Species Number: 238
- Wandering Glider - Pantala flavescens (Fabricius), 1798 - Family: Libellulidae - Species Number: 239
- Black Saddlebags - Tramea lacerata Hagen, 1861 - Family: Libellulidae - Species Number: 242
- Carolina Saddlebags - Tramea carolina (Linneaus), 1763 - Family: Libellulidae - Species Number: 244
- River Jewelwing - Calopteryx aequabilis Selys, 1839 - Family: Calopterygidae - Species Number: 248
- Ebony Jewelwing - Calopteryx maculata (Beauvois), 1805 - Family: Calopterygidae - Species Number: 251
- American Rubyspot - Hetaerina americana (Fabricius), 1798 - Family: Calopterygidae - Species Number: 254
- Smokey Ruby-spot - Hetaerina titia (Drury), 1773 - Family: Calopterygidae - Species Number: 256
- Elegant Spreadwing - Lestes inaequalis Walsh, 1862 - Family: Lestidae - Species Number: 259
- Amber-winged Spreadwing - Lestes eurinus Say, 1839 - Family: Lestidae - Species Number: 260
- Spotted Spreadwing - Lestes congener Hagen, 1861 - Family: Lestidae - Species Number: 261
- Lyre-tipped Spreadwing - Lestes unguiculatus Hagen, 1861 - Family: Lestidae - Species Number: 262
- Sweetflag Spreadwing - Lestes forcipatus Rambur, 1842 - Family: Lestidae - Species Number: 265
- - Lestes disjunctus ssp. - Family: Lestidae - Species Number: 266-
- Southern Spreadwing - Lestes d. australis Walker, 1952 - Family: Lestidae - Species Number: 266B
- Slender Spreadwing - Lestes rectangularis Say, 1839 - Family: Lestidae - Species Number: 267
- Emerald Spreadwing - Lestes dryas Kirby, 1890 - Family: Lestidae - Species Number: 268
- Swamp Spreadwing - Lestes vigilax Hagen, 1862 - Family: Lestidae - Species Number: 270
- Blue-fronted Dancer - Argia apicalis (Say), 1839 - Family: Coenagrionidae - Species Number: 277
- Violet Dancer - Argia fumipennis violacea (Hagen), 1861 - Family: Coenagrionidae - Species Number: 280A
- Powdered Dancer - Argia moesta (Hagen), 1861 - Family: Coenagrionidae - Species Number: 284
- Blue-ringed Dancer - Argia sedula (Hagen), 1861 - Family: Coenagrionidae - Species Number: 286
- Blue-tipped Dancer - Argia tibialis (Rambur), 1842 - Family: Coenagrionidae - Species Number: 288
- Eastern Red Damsel - Amphiagrion saucium (Burmeister), 1839 - Family: Coenagrionidae - Species Number: 295
- Sphagnum Sprite - Nehalennia gracilis Morse, 1895 - Family: Coenagrionidae - Species Number: 298
- Sedge Sprite - Nehalennia irene (Hagen), 1861 - Family: Coenagrionidae - Species Number: 300
- Aurora Damsel - Chromagrion conditum (Hagen), 1876 - Family: Coenagrionidae - Species Number: 301
- Turquoise Bluet - Enallagma divagans Selys, 1876 - Family: Coenagrionidae - Species Number: 306
- Hagen's Bluet - Enallagma hageni (Walsh), 1863 - Family: Coenagrionidae - Species Number: 307
- Boreal Bluet - Enallagma boreale Selys, 1875 - Family: Coenagrionidae - Species Number: 308
- Northern Bluet - Enallagma cyathigerum (Charpentier), 1840 - Family: Coenagrionidae - Species Number: 310
- Skimming Bluet - Enallagma geminatum Kellocott, 1895 - Family: Coenagrionidae - Species Number: 314
- Orange Bluet - Enallagma signatum (Hagen), 1861 - Family: Coenagrionidae - Species Number: 321
- Vesper Bluet - Enallagma vesperum Calvert, 1919 - Family: Coenagrionidae - Species Number: 322
- Marsh Bluet - Enallagma ebrium (Hagen), 1861 - Family: Coenagrionidae - Species Number: 326
- Stream Bluet - Enallagma exsulans (Hagen), 1861 - Family: Coenagrionidae - Species Number: 327
- Rainbow Bluet - Enallagma antennatum (Say), 1839 - Family: Coenagrionidae - Species Number: 330
- Familiar Bluet - Enallagma civile (Hagen), 1861 - Family: Coenagrionidae - Species Number: 333
- Double-striped Bluet - Enallagma basidens Calvert, 1902 - Family: Coenagrionidae - Species Number: 338
- Azure Bluet - Enallagma aspersum (Hagen), 1861 - Family: Coenagrionidae - Species Number: 339
- Long-tailed Bluet - Enallagma traviatum Selys, 1876 - Family: Coenagrionidae - Species Number: 341
- Western Slender Bluet - Enallagma traviatum westfalli Donnelly, 1964 - Family: Coenagrionidae - Species Number: 341B
- Fragile Forktail - Ischnura posita (Hagen), 1861 - Family: Coenagrionidae - Species Number: 349
- Lilypad Forktail - Ischnura kellicotti Williamson, 1898 - Family: Coenagrionidae - Species Number: 350
- Eastern Forktail - Ischnura verticalis (Say), 1839 - Family: Coenagrionidae - Species Number: 357
- Citrine Forktail - Ischnura hastata (Say), 1839 - Family: Coenagrionidae - Species Number: 360
Williams County: 109 species, 1545 records.
This page is a service of the Marietta College Biology Department
The Ohio Odonata Survey is supported by a grant from
the Ohio Department of Natural Resources'
Division of
Wildlife.
Development of the software used to produce these maps was supported
by the Ohio Biological
Survey and the National Science
Foundation (Grant 9250420). These pages do not represent official
publications of any of these agencies.
The data on this page is current as of July, 1999. Researchers
should be aware that at any given time, the database used to produce this
list is at least several hundred records behind the main database of the
Ohio Odonata Survey. Published records for which voucher specimens could not be located for verification are included. Those needing more up-to-date information for
research purposes, or those planning to publish any reference to these distributions, should contact Bob
Glotzhober to assure accuracy, avoid any computer-program generated errors, and coordinate potential simultaneously published accounts.