Gallia County

Known species: 73
Total Observations: 1,094
Population: 30,621
Area in Square Miles: 467
People per Square Mile: 65
Observations per Square Mile: 2.1
Percent of State Species: 39%
Percent of State Observations:
0.4%

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.

Gallia County Ohio

Observed Species

Common NameScientific NameGallia TotalOhio TotalGallia 2024Last Sighted
Eastern PondhawkErythemis simplicicollis10016,365152024
Blue DasherPachydiplax longipennis9915,601252024
Spangled SkimmerLibellula cyanea731,19782024
Fragile ForktailIschnura posita6713,199162024
Widow SkimmerLibellula luctuosa4511,93142024
Ebony JewelwingCalopteryx maculata428,60622024
Blue CorporalLadona deplanata41601142024
Banded PennantCelithemis fasciata3886052024
Violet DancerArgia fumipennis violacea377,55712024
Eastern AmberwingPerithemis tenera3310,88762024
Common WhitetailPlathemis lydia3312,02232024
Blue-tipped DancerArgia tibialis284,49202023
Slaty SkimmerLibellula incesta234,92042024
Autumn MeadowhawkSympetrum vicinum238,45602022
Westfall's Slender BluetEnallagma traviatum westfalli232,36702023
Eastern ForktailIschnura verticalis2115,99232024
Double-striped BluetEnallagma basidens205,34302023
Lancet ClubtailPhanogomphus exilis201,80302023
Halloween PennantCelithemis eponina184,18712024
Calico PennantCelithemis elisa183,19402023
Dusky DancerArgia translata161,68102022
Orange BluetEnallagma signatum153,79112024
Stream BluetEnallagma exsulans154,80302023
Twelve-spotted SkimmerLibellula pulchella153,74002019
Elegant SpreadwingLestes inaequalis1458022024
Prince BaskettailEpitheca princeps142,78802023
Skimming BluetEnallagma geminatum133,83232024
Black SaddlebagsTramea lacerata113,38012024
Blue-fronted DancerArgia apicalis116,58402021
Unicorn ClubtailArigomphus villosipes112,06502023
Citrine ForktailIschnura hastata1096202021
Turquoise BluetEnallagma divagans1091802019
Fawn DarnerBoyeria vinosa1051902018
Familiar BluetEnallagma civile96,17302022
Lilypad ForktailIschnura kellicotti885802023
Swift River CruiserMacromia illinoiensis876002018
Springtime DarnerBasiaeschna janata837401993
Common Green DarnerAnax junius75,16012024
Black-shouldered SpinylegDromogomphus spinosus667102019
Painted SkimmerLibellula semifasciata51,20802019
Common BaskettailEpitheca cynosura587402019
Aurora DamselChromagrion conditum557602019
Slender SpreadwingLestes rectangularis43,90412024
Great Blue SkimmerLibellula vibrans450102022
Gray PetaltailTachopteryx thoreyi444602023
Spatterdock DarnerRhionaeschna mutata439602023
Smoky RubyspotHetaerina titia437702018
Mocha EmeraldSomatochlora linearis420202023
Azure BluetEnallagma aspersum32,48802019
Ruby MeadowhawkSympetrum rubicundulum396501993
Midland ClubtailGomphurus fraternus392702019
Comet DarnerAnax longipes360502019
Common SanddragonProgomphus obscurus316801982
Stream CruiserDidymops transversa314001993
Powdered DancerArgia moesta25,14112024
Carolina SaddlebagsTramea carolina21,26302022
Ashy ClubtailPhanogomphus lividus21,00901993
Vesper BluetEnallagma vesperum292202023
DragonhunterHagenius brevistylus258902018
American RubyspotHetaerina americana14,44401959
Dot-tailed WhitefaceLeucorrhinia intacta11,70202023
Wandering GliderPantala flavescens11,52302020
Blue-faced MeadowhawkSympetrum ambiguum11,45202018
Eastern Red DamselAmphiagrion saucium11,42001900
Band-winged MeadowhawkSympetrum semicinctum193102018
Swamp DarnerEpiaeschna heros171501993
Swamp SpreadwingLestes vigilax160802019
Royal River CruiserMacromia taeniolata159802021
Southern SpreadwingLestes australis128401960
Elusive ClubtailStylurus notatus113701990
Laura's ClubtailStylurus laurae15101993
Smoky ShadowdragonNeurocordulia molesta11801990
Allegheny River CruiserMacromia alleghaniensis11601996


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
Spot-winged GliderPantala hymenaea56282Jul
Amber-winged SpreadwingLestes eurinus70642Jun-Jul
Double-ringed PennantCelithemis verna64621late Jun
Swift SetwingDythemis velox447191Jul-Aug
Flag-tailed SpinylegDromogomphus spoliatus80971late Jul
Great SpreadwingArchilestes grandis95921Sep
Sweetflag SpreadwingLestes forcipatus51421Jul-Aug
Arrowhead SpiketailZoraena obliqua18921late May-early Jun
Blue-ringed DancerArgia sedula2,83711Jul
Shadow DarnerAeshna umbrosa1,18711Sep-Oct
Pronghorn ClubtailPhanogomphus graslinellus50311late May-early Jun
Eastern Least ClubtailStylogomphus albistylus32911Jun
Tiger SpiketailZoraena erronea12611Jul
Yellow-sided SkimmerLibellula flavida10211late Jul
Cobra ClubtailGomphurus vastus47100Jun
Sedge SpriteNehalennia irene39600Jun
Green-striped DarnerAeshna verticalis34200Sep
White-faced MeadowhawkSympetrum obtrusum30500Sep
Clamp-tipped EmeraldSomatochlora tenebrosa21700Aug
Black-tipped DarnerAeshna tuberculifera16300late Aug-early Sep
Twin-spotted SpiketailZoraena maculata9500late May-mid Jun
Stygian ShadowdragonNeurocordulia yamaskanensis6800late Jun
Northern SpreadwingLestes disjunctus2400Jun-Aug
Little Blue DragonletErythrodiplax minuscula500Jun

Gallia County is located within the Glaciated Allegheny Plateau. Bordered by the Ohio River, it is bisected by Raccoon Creek (see Rivers of Gallia County).

Where to visit

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.

Page updated 2 January 2025