Holmes County

Known species: 70
Total Observations: 1,901
Population: 43,593
Area in Square Miles: 423
People per Square Mile: 103
Observations per Square Mile: 2.3
Percent of State Species: 40%
Percent of State Observations:
0.6%

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.

Holmes County Ohio

Observed Species

Common NameScientific NameHolmes TotalOhio TotalHolmes 2025Last Sighted
Fragile ForktailIschnura posita22015,432412025
Blue DasherPachydiplax longipennis19418,692412025
Eastern PondhawkErythemis simplicicollis17619,534362025
Common WhitetailPlathemis lydia9814,243302025
Smoky RubyspotHetaerina titia93421192025
Eastern ForktailIschnura verticalis8818,549252025
Autumn MeadowhawkSympetrum vicinum8210,593102025
Eastern AmberwingPerithemis tenera7312,693122025
Slender SpreadwingLestes rectangularis724,797192025
Widow SkimmerLibellula luctuosa6714,355232025
Common Green DarnerAnax junius666,289212025
Ebony JewelwingCalopteryx maculata6610,084182025
Blue-fronted DancerArgia apicalis637,716262025
American RubyspotHetaerina americana485,250152025
Violet DancerArgia fumipennis violacea368,69352025
Familiar BluetEnallagma civile357,43062025
Black SaddlebagsTramea lacerata294,110202025
Elegant SpreadwingLestes inaequalis2861612025
Blue-tipped DancerArgia tibialis275,374102025
Azure BluetEnallagma aspersum262,863162025
Fawn DarnerBoyeria vinosa2661562025
Twelve-spotted SkimmerLibellula pulchella254,080112025
Stream BluetEnallagma exsulans245,54392025
Skimming BluetEnallagma geminatum234,46122025
Orange BluetEnallagma signatum204,38022025
Eastern Red DamselAmphiagrion saucium131,600122025
Wandering GliderPantala flavescens131,90392025
Slaty SkimmerLibellula incesta135,91122025
Calico PennantCelithemis elisa113,70622025
Carolina SaddlebagsTramea carolina101,44452025
Ruby MeadowhawkSympetrum rubicundulum1099102004
Double-striped BluetEnallagma basidens86,25632025
Citrine ForktailIschnura hastata71,23842025
Rainbow BluetEnallagma antennatum754042025
Spot-winged GliderPantala hymenaea666742025
Halloween PennantCelithemis eponina65,02812025
Unicorn ClubtailArigomphus villosipes62,31412025
Midland ClubtailGomphurus fraternus61,01202024
Arrow ClubtailStylurus spiniceps534122025
Shadow DarnerAeshna umbrosa51,35312025
Emerald SpreadwingLestes dryas570802024
Comet DarnerAnax longipes472422025
Prince BaskettailEpitheca princeps43,26412025
Powdered DancerArgia moesta46,02602023
Blue-ringed DancerArgia sedula43,41602022
Spatterdock DarnerRhionaeschna mutata344322025
Spotted SpreadwingLestes congener31,06912025
Common BaskettailEpitheca cynosura31,06712025
Swamp SpreadwingLestes vigilax370612025
Swamp DarnerEpiaeschna heros384902024
DragonhunterHagenius brevistylus372901963
Tule BluetEnallagma carunculatum368501936
Rusty SnaketailOphiogomphus rupinsulensis342802007
Painted SkimmerLibellula semifasciata21,35522025
Red SaddlebagsTramea onusta219922025
Ashy ClubtailPhanogomphus lividus21,15001961
Swift River CruiserMacromia illinoiensis283702024
Cobra ClubtailGomphurus vastus248601963
Springtime DarnerBasiaeschna janata246602024
Lance-tipped DarnerAeshna constricta236302024
Twin-spotted SpiketailZoraena maculata29902021
Sweetflag SpreadwingLestes forcipatus160512025
Southern SpreadwingLestes australis132912025
Westfall's Slender BluetEnallagma traviatum westfalli12,58902012
Lancet ClubtailPhanogomphus exilis12,03401961
Band-winged MeadowhawkSympetrum semicinctum11,10601958
Royal River CruiserMacromia taeniolata167902022
Gray PetaltailTachopteryx thoreyi149402012
Eastern Least ClubtailStylogomphus albistylus138201993
Dusky ClubtailPhanogomphus spicatus129801961


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
Great SpreadwingArchilestes grandis1,1331345Sep
Aurora DamselChromagrion conditum7061155late May-early Jun
Dusky DancerArgia translata1,9621095Jul
Amber-winged SpreadwingLestes eurinus7591055Jun-Jul
Blue-faced MeadowhawkSympetrum ambiguum1,926845late Aug-mid Sep
Dot-tailed WhitefaceLeucorrhinia intacta1,915555early Jun
Spangled SkimmerLibellula cyanea1,304924Jun
Great Blue SkimmerLibellula vibrans513294Jun-Jul
Vesper BluetEnallagma vesperum999214Jun
Sedge SpriteNehalennia irene414164Jun
Plains ClubtailGomphurus externus2441783mid Jun-mid Jul
Green-striped DarnerAeshna verticalis395303Sep
Four-spotted SkimmerLibellula quadrimaculata297293Jun
Black-tipped DarnerAeshna tuberculifera181273late Aug-early Sep
Cyrano DarnerNasiaeschna pentacantha366233mid Jun
Clamp-tipped EmeraldSomatochlora tenebrosa251193Aug
Sphagnum SpriteNehalennia gracilis5141882late Jun-early Jul
Lilypad ForktailIschnura kellicotti9611482Jun-Sep
Turquoise BluetEnallagma divagans1,043702May-Jun
Mocha EmeraldSomatochlora linearis263172late Jun-late Aug
Rapids ClubtailPhanogomphus quadricolor445142Jun
Black-shouldered SpinylegDromogomphus spinosus76352Jun-Jul
Variegated MeadowhawkSympetrum corruptum17022Apr-Sep
Tiger SpiketailZoraena erronea13422Jul
Macromia HybridMacromia pacifica x taeniolata11022late Jul-mid Aug
Seepage DancerArgia bipunctulata1,464441Jun-Jul
Laura's ClubtailStylurus laurae52201late Jul-early Sep
White-faced MeadowhawkSympetrum obtrusum38361Sep
Banded PennantCelithemis fasciata97741Jul
Flag-tailed SpinylegDromogomphus spoliatus93931late Jul
Lyre-tipped SpreadwingLestes unguiculatus24731Jun-Jul
Blue CorporalLadona deplanata69621May
Gilded River CruiserMacromia pacifica9221late Jul
Racket-tailed EmeraldDorocordulia libera6621Jun
Pronghorn ClubtailPhanogomphus graslinellus56611late May-early Jun
Handsome ClubtailGomphurus crassus22611late May-early Jun
Arrowhead SpiketailZoraena obliqua20711late May-early Jun
Delta-spotted SpiketailZoraena diastatops15011early Jun
Green-faced ClubtailHylogomphus viridifrons9911mid Jun
Wabash River CruiserMacromia wabashensis2511Aug
Brush-tipped EmeraldSomatochlora walshii2311mid Jun-mid Jul
River BluetEnallagma anna2111Jun
Cherry-faced MeadowhawkSympetrum internum1411Sep
Furtive ForktailIschnura prognata411
Elusive ClubtailStylurus notatus20500Sep
Splendid ClubtailGomphurus lineatifrons14100Jun
Hagen's BluetEnallagma hageni8500Jun
Stygian ShadowdragonNeurocordulia yamaskanensis7400late Jun
Marsh BluetEnallagma ebrium6600mid Jun
Riffle SnaketailOphiogomphus carolus6400mid Jun
Skillet ClubtailGomphurus ventricosus2600Jun
Northern SpreadwingLestes disjunctus2400Jun-Aug
Saffron-winged MeadowhawkSympetrum costiferum2000Oct
Smoky ShadowdragonNeurocordulia molesta1800Jun
Northern Pygmy ClubtailLanthus parvulus700Jun
Appalachian JewelwingCalopteryx angustipennis400
Spine-crowned ClubtailHylogomphus abbreviatus300Jun

Located in the Allegheny Plateau, the terminal moraine divides Holmes County in half, reaching its maximum southern extent in the Killbuck Valley, just south of the county seat of Millersburg.  The lower half of the relatively small Lake Fork Mohican River (302.1 cu ft/second) flows through the northwestern corner of the county, intersecting the Mohican River, which flows several miles through the southeast corner of the county.  The most significant waterway in the county is the Killbuck Creek, which cuts the county in half north to south.  The Doughty Creek, flowing SE from Berlin and joining the Killbuck several miles south of the Holmes Coshocton line is the largest waterway in the eastern half of the county (no public access other than bridges).    The Killbuck Valley between Wooster (Wayne County) and Layland (just south of the Coshocton County line) benefits from silt, sand, and gravel deposited by glacial outwash.  Originally a huge marshland, much of it was drained in the late 19th and early 20th century, but continued flooding has discouraged farming, rail, and roads, and after WWII, much of this area has been reverting to marshland.  The glaciated northern half of the county is dominated by small family farms, many of them Amish, while much of the southern half, in the Unglaciated Allegheny Plateau, is wooded.  (see Muskingum River Watershed)

Places to Visit

Holmes County has relatively little publicly accessible land, virtually all of which is in the Killbuck Valley. 

  • Most of the 5,700 acre Killbuck Marsh Wildlife Area is located in Wayne County, but the property extends all the way south to Holmesville (3.8 miles).  The best access is just south of the county line, east of SR 83, on CR 1, which provides access to the Killbuck Creek, a small pond, and marshland along both sides of CR 1. Be aware that the area between CR 1 and Force Road (Wayne County) is a wildlife Refuge area and is closed to the public. The ODNR does provide some parking areas, but otherwise, the Holmes section of the Wildlife Area is totally unimproved, with no maintained trails and no facilities.

  • The Killbuck Watershed Land Trust, in conjunction with the Arc of Appalachia, owns multiple pieces of Holmes county property starting just north of Killbuck, and extending through the Killbuck Valley to just past the Coshocton County line. Collectively referred to as the Killbuck Swamp Preserve, 36 odonata species have been observed. All of the land north of SR62 is open to public access.  Trails and parking improvement are rudimentary, but improvements are underway.  This land is not well documented on their web site, and a property map application like onX Hunt is recommended

    • Baker Swamp is located just north of the Holmes County Trail.  Park at the trailhead parking lot just east of Killbuck on County 622.  All of the land north of the trail, starting just west of the power substation and east to Township 91 belongs to the trust.  Walk east on the paved trail to TR 91 to access Killbuck Creek (see interactive map above).

    • Turtle Pond is an 80 acre wetland immediately east of the village of Killbuck, between Killbuck Creek, County 621, and SR 520.  A small parking area on 621 just west of the bridge provides access to a 600 yard gravel walking path between the river and marsh. River access is being improved through a kayak launch site, and a boardwalk is planned to run parallel to the county road. A second parking spot at the intersection of Holmes 621 and SR 520 (10114 OH-520, Killbuck, OH 44637) provides access to a wooded hillside and the NW corner of the wetland (see interactive map above). The gas station in Killbuck has restrooms.

    • Restoration of the 194 acre Crane Swamp property, including the rewilding of Laurel Creek, and the 90 acre Bowfin Bottoms on the Holmes/Coshocton line is underway in early 2026, and is not currently open to the public.

  • Legacy Point Park, a former landfill that includes multiple ponds, was opened in 2025. 24 species have been observed.

  • Mohican State Scenic River Designation Study. This is a 55 page ODNR analysis of the Clear Fork/Mohican River created in 2006 leading up to its inclusion into Ohio’s Scenic Rivers System.  It provides an overview of the human and natural histories of the Mohican River and its tributary creeks, and includes detailed maps. There is no public access to the Mohican in Holmes County, but a number of small bridges provide some visibility into the Lake Fork Mohican tributary.

  • Mohican River Water Trail Guide from ODNR.

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.

The muddy and wooded Killbuck Creek is an ideal habitat for Smoky Rubyspots
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Page updated 12 January 2026