Darke County

Known species county: 78
Total Observations county: 2,406
Population: 52,376
Area in Square Miles: 598
People per Square Mile: 87
Observations per Square Mile: 3.0
Percent of State Species: 45%
Percent of State Observations:
0.8%

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.

Darke County Ohio

Observed Species

Common NameScientific NameDarke TotalOhio TotalDarke 2025Last Sighted
Blue-tipped DancerArgia tibialis1675,374302025
Widow SkimmerLibellula luctuosa14214,355222025
Eastern PondhawkErythemis simplicicollis13519,534182025
Eastern ForktailIschnura verticalis10518,549162025
Stream BluetEnallagma exsulans1035,543102025
Common WhitetailPlathemis lydia9814,243132025
Eastern AmberwingPerithemis tenera9612,69392025
Blue DasherPachydiplax longipennis9518,692132025
Ebony JewelwingCalopteryx maculata9410,08492025
Blue-fronted DancerArgia apicalis857,716162025
Fragile ForktailIschnura posita8515,43292025
Flag-tailed SpinylegDromogomphus spoliatus79939102025
Halloween PennantCelithemis eponina655,028102025
Violet DancerArgia fumipennis violacea618,69362025
Blue-ringed DancerArgia sedula563,41692025
Common Green DarnerAnax junius566,28972025
Double-striped BluetEnallagma basidens556,256112025
Slaty SkimmerLibellula incesta535,91182025
Prince BaskettailEpitheca princeps483,26442025
Powdered DancerArgia moesta436,02642025
Calico PennantCelithemis elisa423,70692025
Black SaddlebagsTramea lacerata414,11052025
Twelve-spotted SkimmerLibellula pulchella374,08052025
Skimming BluetEnallagma geminatum364,46182025
American RubyspotHetaerina americana355,25062025
Gilded River CruiserMacromia pacifica349242025
Autumn MeadowhawkSympetrum vicinum3110,59362025
Slender SpreadwingLestes rectangularis294,79702023
Swamp SpreadwingLestes vigilax2370632025
Black-shouldered SpinylegDromogomphus spinosus2276332025
Familiar BluetEnallagma civile227,43012025
Fawn DarnerBoyeria vinosa1961512025
Ashy ClubtailPhanogomphus lividus191,15002023
Turquoise BluetEnallagma divagans191,04302022
Blue-faced MeadowhawkSympetrum ambiguum181,92602024
Orange BluetEnallagma signatum164,38062025
Shadow DarnerAeshna umbrosa161,35302022
Lilypad ForktailIschnura kellicotti1596112025
Unicorn ClubtailArigomphus villosipes142,31422025
Westfall's Slender BluetEnallagma traviatum westfalli142,58912025
Wandering GliderPantala flavescens141,90312025
DragonhunterHagenius brevistylus1272912025
Emerald SpreadwingLestes dryas1270812025
Midland ClubtailGomphurus fraternus121,01202023
Dot-tailed WhitefaceLeucorrhinia intacta111,91532025
Lancet ClubtailPhanogomphus exilis112,03412025
Swamp DarnerEpiaeschna heros984942025
Carolina SaddlebagsTramea carolina91,44402024
Ruby MeadowhawkSympetrum rubicundulum999102021
Pronghorn ClubtailPhanogomphus graslinellus856602024
Cyrano DarnerNasiaeschna pentacantha736642025
Common BaskettailEpitheca cynosura71,06712025
Swift River CruiserMacromia illinoiensis683702021
Vesper BluetEnallagma vesperum499932025
Rainbow BluetEnallagma antennatum454012025
Azure BluetEnallagma aspersum42,86302023
Citrine ForktailIschnura hastata41,23802021
Macromia HybridMacromia pacifica x taeniolata411002024
Jade ClubtailArigomphus submedianus312432025
Spot-winged GliderPantala hymenaea366712025
Painted SkimmerLibellula semifasciata31,35502016
Aurora DamselChromagrion conditum370602022
Royal River CruiserMacromia taeniolata367902021
Rapids ClubtailPhanogomphus quadricolor344502021
Spangled SkimmerLibellula cyanea21,30402022
Great Blue SkimmerLibellula vibrans251302021
Arrow ClubtailStylurus spiniceps234102005
Handsome ClubtailGomphurus crassus222602022
Dusky DancerArgia translata11,96202019
Band-winged MeadowhawkSympetrum semicinctum11,10601959
Spotted SpreadwingLestes congener11,06902020
Comet DarnerAnax longipes172402019
Tule BluetEnallagma carunculatum168501943
Springtime DarnerBasiaeschna janata146602019
White-faced MeadowhawkSympetrum obtrusum138301960
Four-spotted SkimmerLibellula quadrimaculata129702023
Lyre-tipped SpreadwingLestes unguiculatus124701960
Plains ClubtailGomphurus externus124401990


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 NameScientific NameOhio ObsLocal Obs# of CountiesPeak Active
Sweetflag SpreadwingLestes forcipatus605454Jul-Aug
Arrowhead SpiketailZoraena obliqua207164late May-early Jun
Cobra ClubtailGomphurus vastus4861543Jun
Blue CorporalLadona deplanata6961183May
Banded PennantCelithemis fasciata977963Jul
Great SpreadwingArchilestes grandis1,133683Sep
Gray PetaltailTachopteryx thoreyi494503Jun
Amber-winged SpreadwingLestes eurinus759193Jun-Jul
Southern SpreadwingLestes australis329183May
Red SaddlebagsTramea onusta199113Jun-Jul
Eastern RingtailErpetogomphus designatus240542Aug
Eastern Red DamselAmphiagrion saucium1,600342late May-early Jun
Swift SetwingDythemis velox592332Jul-Aug
Slender BaskettailEpitheca costalis2842late May
Spatterdock DarnerRhionaeschna mutata44332Jun
Mocha EmeraldSomatochlora linearis26322late Jun-late Aug
Paiute DancerArgia alberta403361Jun
Seepage DancerArgia bipunctulata1,464221Jun-Jul
Russet-tipped ClubtailStylurus plagiatus461141Sep
Brown SpiketailZoraena bilineata24781late May-early Jun
Golden-winged SkimmerLibellula auripennis4641late Jun
Variegated MeadowhawkSympetrum corruptum17031Apr-Sep
Sedge SpriteNehalennia irene41411Jun
Clamp-tipped EmeraldSomatochlora tenebrosa25111Aug
Tiger SpiketailZoraena erronea13411Jul
Northern SpreadwingLestes disjunctus2411Jun-Aug
Elfin SkimmerNannothemis bella67600Jun-Jul
Green-striped DarnerAeshna verticalis39500Sep
Lance-tipped DarnerAeshna constricta36300Sep
Skillet ClubtailGomphurus ventricosus2600Jun
Wabash River CruiserMacromia wabashensis2500Aug

Darke County is located along the Indiana border, in the Till Plains ecoregion. Darke Co is a large county, the major land use is agriculture. Darke Co has the headwaters for Stillwater River, Greenville Creek, and a number of small feeders for the Wabash River and the Mississinewa River. Greenville Creek joins the Stillwater in Miami Co, and are tributaries of the Great Miami River. The Wabash flows north, the Mississinewa flows west into Indiana.

Places to Visit

  • Darke Co Wildlife Area

    DCWA has 6 small lakes and ponds. These are all fishing spots. Expect the typical stillwater skimmers and damselflies. 40 species are recorded for the area. There is good off-road parking and mowed paths. There are no restrooms.

  • Greenville Creek

    • Greenville Creek is a high quality stream with a number of access points. Several Clubtail and River Cruiser species can be seen in season. Stillwater River Water Trail Map shows access points, and facilities for Greenville Creek

    • A popular stop is Bear's Mill, good viewing from the dam area. Good parking and restrooms when the Mill is open. Bear's Mill is now part of Darke Co Parks.

    • Alice Bish Park has access to Greenville Creek with parking and walking paths.

  • Shawnee Prairie Preserve

    Shawnee Prairie has a wet prairie area and access to Mud Creek. Beaver Wetlands is nearby. Diverse habitat supports a diverse Odonata mix. 29 species have been found here. Shawnee Prairies is part of Darke Co Parks. There is parking and restrooms.

County Observation Activity

This graph shows the total number of odonata observations for the county in blue, with the average for all Ohio counties in orange. The season is divided into 10 or 11 day segments by Month – basically early-month, mid-month, and late-month.

Return to County List Summary Page
Page updated 8 January 2026