Harrison County
Known species: 62
Total Observations: 997
Population: 15,622
Area in Square Miles: 402
People per Square Mile: 38
Observations per Square Mile: 2.5
County iNaturalist observations
The Observed Species table provides statistical data on all odonata species that have been observed in the county. Below that is a Target Species table listing species that have not yet been documented in this county, but are likely to exist in the county. This list is data-driven by listing species records from neighboring counties.
Observed Species
Common Name | Scientific Name | Harrison Total | Ohio Total | Harrison 2023 | Last Sighted |
|---|---|---|---|---|---|
| Eastern Forktail | Ischnura verticalis | 105 | 13,326 | 23 | 2023 |
| Dot-tailed Whiteface | Leucorrhinia intacta | 63 | 1,357 | 26 | 2023 |
| Widow Skimmer | Libellula luctuosa | 58 | 10,352 | 10 | 2023 |
| Familiar Bluet | Enallagma civile | 57 | 5,111 | 11 | 2023 |
| Eastern Pondhawk | Erythemis simplicicollis | 57 | 13,870 | 7 | 2023 |
| Fragile Forktail | Ischnura posita | 47 | 10,727 | 17 | 2023 |
| Violet Dancer | Argia fumipennis violacea | 46 | 6,247 | 4 | 2023 |
| Common Whitetail | Plathemis lydia | 35 | 9,898 | 10 | 2023 |
| Double-striped Bluet | Enallagma basidens | 32 | 4,313 | 6 | 2023 |
| Azure Bluet | Enallagma aspersum | 29 | 2,115 | 8 | 2023 |
| Blue Dasher | Pachydiplax longipennis | 28 | 13,169 | 3 | 2023 |
| Ebony Jewelwing | Calopteryx maculata | 28 | 7,169 | 0 | 2022 |
| Orange Bluet | Enallagma signatum | 26 | 3,184 | 4 | 2023 |
| Eastern Amberwing | Perithemis tenera | 26 | 8,819 | 3 | 2023 |
| Stream Bluet | Enallagma exsulans | 21 | 4,097 | 0 | 2022 |
| Autumn Meadowhawk | Sympetrum vicinum | 19 | 6,971 | 3 | 2023 |
| Common Green Darner | Anax junius | 18 | 4,146 | 9 | 2023 |
| Lancet Clubtail | Phanogomphus exilis | 17 | 1,518 | 3 | 2023 |
| Blue-fronted Dancer | Argia apicalis | 17 | 5,692 | 2 | 2023 |
| Prince Baskettail | Epitheca princeps | 16 | 2,390 | 2 | 2023 |
| Blue-ringed Dancer | Argia sedula | 15 | 2,364 | 0 | 2022 |
| Powdered Dancer | Argia moesta | 14 | 4,247 | 0 | 2022 |
| Black Saddlebags | Tramea lacerata | 13 | 2,839 | 1 | 2023 |
| Calico Pennant | Celithemis elisa | 13 | 2,752 | 0 | 2022 |
| Halloween Pennant | Celithemis eponina | 12 | 3,628 | 1 | 2023 |
| Skimming Bluet | Enallagma geminatum | 12 | 3,109 | 0 | 2022 |
| Carolina Saddlebags | Tramea carolina | 11 | 1,048 | 0 | 2022 |
| Eastern Red Damsel | Amphiagrion saucium | 10 | 1,230 | 2 | 2023 |
| Blue-tipped Dancer | Argia tibialis | 9 | 3,785 | 2 | 2023 |
| Slender Spreadwing | Lestes rectangularis | 9 | 3,492 | 0 | 2022 |
| Twelve-spotted Skimmer | Libellula pulchella | 9 | 3,377 | 0 | 2022 |
| American Rubyspot | Hetaerina americana | 8 | 3,761 | 2 | 2023 |
| Fawn Darner | Boyeria vinosa | 8 | 440 | 0 | 2022 |
| Unicorn Clubtail | Arigomphus villosipes | 7 | 1,687 | 0 | 2021 |
| Spangled Skimmer | Libellula cyanea | 7 | 1,037 | 0 | 2021 |
| Turquoise Bluet | Enallagma divagans | 7 | 768 | 0 | 2020 |
| Aurora Damsel | Chromagrion conditum | 6 | 471 | 1 | 2023 |
| Dusky Dancer | Argia translata | 6 | 1,376 | 0 | 2020 |
| Gray Petaltail | Tachopteryx thoreyi | 6 | 390 | 0 | 2021 |
| Ruby Meadowhawk | Sympetrum rubicundulum | 5 | 942 | 0 | 2003 |
| Shadow Darner | Aeshna umbrosa | 4 | 1,031 | 3 | 2023 |
| Spotted Spreadwing | Lestes congener | 3 | 731 | 1 | 2023 |
| Swamp Spreadwing | Lestes vigilax | 3 | 544 | 1 | 2023 |
| Comet Darner | Anax longipes | 3 | 515 | 1 | 2023 |
| Wandering Glider | Pantala flavescens | 3 | 1,241 | 0 | 2022 |
| Painted Skimmer | Libellula semifasciata | 3 | 1,056 | 0 | 2021 |
| Springtime Darner | Basiaeschna janata | 3 | 298 | 0 | 2012 |
| Black-tipped Darner | Aeshna tuberculifera | 2 | 141 | 1 | 2023 |
| Ashy Clubtail | Phanogomphus lividus | 2 | 874 | 0 | 2021 |
| Midland Clubtail | Gomphurus fraternus | 2 | 802 | 0 | 2018 |
| Common Baskettail | Epitheca cynosura | 2 | 748 | 0 | 2019 |
| Swift River Cruiser | Macromia illinoiensis | 2 | 688 | 0 | 2020 |
| Amber-winged Spreadwing | Lestes eurinus | 2 | 610 | 0 | 2020 |
| Black-shouldered Spinyleg | Dromogomphus spinosus | 2 | 542 | 0 | 2020 |
| Arrow Clubtail | Stylurus spiniceps | 1 | 305 | 1 | 2023 |
| Red Saddlebags | Tramea onusta | 1 | 145 | 1 | 2023 |
| Slaty Skimmer | Libellula incesta | 1 | 4,032 | 0 | 2022 |
| Westfall's Slender Bluet | Enallagma traviatum westfalli | 1 | 1,991 | 0 | 2022 |
| Tule Bluet | Enallagma carunculatum | 1 | 498 | 0 | 1950 |
| Emerald Spreadwing | Lestes dryas | 1 | 479 | 0 | 2021 |
| Tiger Spiketail | Cordulegaster erronea | 1 | 106 | 0 | 1983 |
| Northern Spreadwing | Lestes disjunctus | 1 | 24 | 0 | 1997 |
Target Species
Target species are potential County Records - species not yet documented in the county. 'Local Obs' is Local Observations and indicates the number of times that the species has been observed in adjacent counties since 2000, and '# of Counties' is the number of adjacent counties in which those recent observations took place. Zero local observations or recent counties means the existing records are historical. 'Peak Active' is a relative description of when the species has been known to fly.| Common Name | Scientific Name | Ohio Obs | Local Obs | # of Counties | Peak Active |
|---|---|---|---|---|---|
| Great Spreadwing | Archilestes grandis | 824 | 14 | 4 | Sep |
| Royal River Cruiser | Macromia taeniolata | 536 | 10 | 3 | late Jul-Aug |
| Dragonhunter | Hagenius brevistylus | 439 | 4 | 3 | mid Jun |
| Vesper Bluet | Enallagma vesperum | 740 | 21 | 2 | Jun |
| Band-winged Meadowhawk | Sympetrum semicinctum | 860 | 8 | 2 | Jul-Aug |
| Citrine Forktail | Ischnura hastata | 899 | 4 | 2 | Jun-Aug |
| Elegant Spreadwing | Lestes inaequalis | 479 | 4 | 2 | Jun |
| Sweetflag Spreadwing | Lestes forcipatus | 443 | 2 | 2 | Jul-Aug |
| Stream Cruiser | Didymops transversa | 121 | 2 | 2 | May |
| Lilypad Forktail | Ischnura kellicotti | 733 | 65 | 1 | Jun-Sep |
| Cobra Clubtail | Gomphurus vastus | 377 | 7 | 1 | Jun |
| Plains Clubtail | Gomphurus externus | 189 | 7 | 1 | mid Jun-mid Jul |
| Spot-winged Glider | Pantala hymenaea | 478 | 3 | 1 | Jul |
| Blue-faced Meadowhawk | Sympetrum ambiguum | 1,204 | 2 | 1 | late Aug-mid Sep |
| Swamp Darner | Epiaeschna heros | 620 | 2 | 1 | late May-early Jun |
| Smoky Rubyspot | Hetaerina titia | 346 | 2 | 1 | early Sep |
| Spatterdock Darner | Rhionaeschna mutata | 335 | 2 | 1 | Jun |
| Delta-spotted Spiketail | Cordulegaster diastatops | 131 | 2 | 1 | early Jun |
| Blue Corporal | Ladona deplanata | 446 | 1 | 1 | May |
| Cyrano Darner | Nasiaeschna pentacantha | 277 | 1 | 1 | mid Jun |
| Eastern Least Clubtail | Stylogomphus albistylus | 262 | 1 | 1 | Jun |
| Green-striped Darner | Aeshna verticalis | 262 | 1 | 1 | Sep |
| Arrowhead Spiketail | Cordulegaster obliqua | 172 | 1 | 1 | late May-early Jun |
| Gilded River Cruiser | Macromia pacifica | 73 | 1 | 1 | late Jul |
| Rainbow Bluet | Enallagma antennatum | 458 | 0 | 0 | Jun |
| Sedge Sprite | Nehalennia irene | 359 | 0 | 0 | Jun |
| Lance-tipped Darner | Aeshna constricta | 358 | 0 | 0 | Sep |
| Rapids Clubtail | Phanogomphus quadricolor | 287 | 0 | 0 | Jun |
| Four-spotted Skimmer | Libellula quadrimaculata | 285 | 0 | 0 | Jun |
| White-faced Meadowhawk | Sympetrum obtrusum | 272 | 0 | 0 | Sep |
| Southern Spreadwing | Lestes australis | 255 | 0 | 0 | May |
| Rusty Snaketail | Ophiogomphus rupinsulensis | 245 | 0 | 0 | Jun |
| Clamp-tipped Emerald | Somatochlora tenebrosa | 208 | 0 | 0 | Aug |
| Mocha Emerald | Somatochlora linearis | 192 | 0 | 0 | late Jun-late Aug |
| Lyre-tipped Spreadwing | Lestes unguiculatus | 180 | 0 | 0 | Jun-Jul |
| Elusive Clubtail | Stylurus notatus | 101 | 0 | 0 | Sep |
| Twin-spotted Spiketail | Cordulegaster maculata | 90 | 0 | 0 | late May-mid Jun |
| Stygian Shadowdragon | Neurocordulia yamaskanensis | 68 | 0 | 0 | late Jun |
| Riffle Snaketail | Ophiogomphus carolus | 35 | 0 | 0 | mid Jun |
| Northern Pygmy Clubtail | Lanthus parvulus | 7 | 0 | 0 | Jun |
Harrison County is in the Unglaciated Allegheny Plateau. 2,720 Acres of Piedmont Lake, with 36.9 Miles of shoreline, was created by damming Stillwater Creek (most of Piedmont Lake is within neighboring Belmont County). Much of the eastern half of the county was strip mined and has been mostly reclaimed.
County Observation Activity
This graph shows the total number of odonata observations for the county in brown, with the average for all Ohio counties in blue. The season is divided into 10 or 11 day segments by Month – basically early-month, mid-month, and late-month.
Page updated 18 January 2024