Season shown in 19 of Ohio's 88 counties. Explore Ohio
No result yet (6)
Recorded, too few records for a result (47)
Recorded, season not shown (16)
Season shown (19)
Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files, 1:500,000. Show as a table
Counties as a table
Slaty Skimmer by Ohio county: records and mapped range
County
Records
Adams County
40 · Season shown
Allen County
Recorded, too few records for a result
Ashland County
Recorded, too few records for a result
Ashtabula County
63 · Recorded, season not shown
Athens County
Recorded, too few records for a result
Auglaize County
No qualifying records yet
Belmont County
Recorded, too few records for a result
Brown County
Recorded, too few records for a result
Butler County
Recorded, too few records for a result
Carroll County
Recorded, too few records for a result
Champaign County
Recorded, too few records for a result
Clark County
44 · Recorded, season not shown
Clermont County
118 · Season shown
Clinton County
Recorded, too few records for a result
Columbiana County
Recorded, too few records for a result
Coshocton County
50 · Season shown
Crawford County
Recorded, too few records for a result
Cuyahoga County
91 · Season shown
Darke County
29 · Season shown
Defiance County
No qualifying records yet
Delaware County
Recorded, too few records for a result
Erie County
22 · Recorded, season not shown
Fairfield County
77 · Season shown
Fayette County
No qualifying records yet
Franklin County
141 · Season shown
Fulton County
Recorded, too few records for a result
Gallia County
Recorded, too few records for a result
Geauga County
141 · Season shown
Greene County
70 · Season shown
Guernsey County
Recorded, too few records for a result
Hamilton County
24 · Recorded, season not shown
Hancock County
Recorded, too few records for a result
Hardin County
Recorded, too few records for a result
Harrison County
Recorded, too few records for a result
Henry County
No qualifying records yet
Highland County
Recorded, too few records for a result
Hocking County
60 · Season shown
Holmes County
Recorded, too few records for a result
Huron County
Recorded, too few records for a result
Jackson County
64 · Recorded, season not shown
Jefferson County
Recorded, too few records for a result
Knox County
Recorded, too few records for a result
Lake County
132 · Season shown
Lawrence County
53 · Recorded, season not shown
Licking County
Recorded, too few records for a result
Logan County
Recorded, too few records for a result
Lorain County
90 · Recorded, season not shown
Lucas County
175 · Season shown
Madison County
Recorded, too few records for a result
Mahoning County
48 · Season shown
Marion County
Recorded, too few records for a result
Medina County
30 · Recorded, season not shown
Meigs County
44 · Recorded, season not shown
Mercer County
Recorded, too few records for a result
Miami County
30 · Season shown
Monroe County
Recorded, too few records for a result
Montgomery County
64 · Recorded, season not shown
Morgan County
35 · Recorded, season not shown
Morrow County
Recorded, too few records for a result
Muskingum County
Recorded, too few records for a result
Noble County
Recorded, too few records for a result
Ottawa County
Recorded, too few records for a result
Paulding County
Recorded, too few records for a result
Perry County
Recorded, too few records for a result
Pickaway County
Recorded, too few records for a result
Pike County
Recorded, too few records for a result
Portage County
59 · Season shown
Preble County
Recorded, too few records for a result
Putnam County
No qualifying records yet
Richland County
26 · Season shown
Ross County
Recorded, too few records for a result
Sandusky County
Recorded, too few records for a result
Scioto County
71 · Recorded, season not shown
Seneca County
No qualifying records yet
Shelby County
Recorded, too few records for a result
Stark County
60 · Season shown
Summit County
294 · Season shown
Trumbull County
40 · Recorded, season not shown
Tuscarawas County
Recorded, too few records for a result
Union County
Recorded, too few records for a result
Van Wert County
Recorded, too few records for a result
Vinton County
57 · Recorded, season not shown
Warren County
69 · Season shown
Washington County
Recorded, too few records for a result
Wayne County
Recorded, too few records for a result
Williams County
23 · Recorded, season not shown
Wood County
Recorded, too few records for a result
Wyandot County
28 · Recorded, season not shown
No mapped range from the range source used, the USGS Gap Analysis Project, which maps land vertebrates only.
Season
When it is recorded
In Hamilton County
Not enough evidence
Most records come from a single year, so a season is not shown yet. Based on 24 records in 8 of the 10 years from 2016 to 2025, above the minimum of 20 records from 5 different years.
JanFebMarAprMayJunJulAugSepOctNovDec
Show over the bars
Recording in Hamilton County · records of all species each week, 87,019 in all
Records per week from 24 records in 8 of the 10 years from 2016 to 2025. Shows when people recorded it, not a season or how common it is.
Show as a table
Records of Slaty Skimmer in Hamilton County each week, and records of all species
Week
Records of Slaty Skimmer
Years recorded
Records of all species
Jan 4–10
0
0
392
Jan 11–17
0
0
344
Jan 18–24
0
0
312
Jan 25–31
0
0
206
Feb 1–7
0
0
357
Feb 8–14
0
0
383
Feb 15–21
0
0
366
Feb 22–28
0
0
391
Mar 1–7
0
0
551
Mar 8–14
0
0
523
Mar 15–21
0
0
750
Mar 22–28
0
0
1,012
Mar 29 – Apr 4
0
0
1,535
Apr 5–11
0
0
1,960
Apr 12–18
0
0
2,492
Apr 19–25
0
0
2,403
Apr 26 – May 2
0
0
3,783
May 3–9
0
0
3,307
May 10–16
0
0
2,059
May 17–23
0
0
2,153
May 24–30
0
0
2,390
May 31 – Jun 6
0
0
2,648
Jun 7–13
0
0
2,715
Jun 14–20
0
0
2,695
Jun 21–27
1
1
2,714
Jun 28 – Jul 4
2
2
3,220
Jul 5–11
3
2
2,980
Jul 12–18
0
0
3,031
Jul 19–25
0
0
2,961
Jul 26 – Aug 1
1
1
2,795
Aug 2–8
4
2
2,884
Aug 9–15
2
2
2,696
Aug 16–22
7
1
2,535
Aug 23–29
1
1
2,536
Aug 30 – Sep 5
2
1
2,606
Sep 6–12
0
0
2,980
Sep 13–19
1
1
2,959
Sep 20–26
0
0
2,313
Sep 27 – Oct 3
0
0
2,122
Oct 4–10
0
0
1,828
Oct 11–17
0
0
1,793
Oct 18–24
0
0
1,338
Oct 25–31
0
0
1,023
Nov 1–7
0
0
676
Nov 8–14
0
0
593
Nov 15–21
0
0
384
Nov 22–28
0
0
496
Nov 29 – Dec 5
0
0
356
Dec 6–12
0
0
478
Dec 13–19
0
0
285
Dec 20–26
0
0
322
Dec 27 – Jan 2
0
0
388
Reported as an adult
Only 9 records here are marked as adults, too few to show a adult season. One needs at least 20 records from 5 different years.
Reported as a larva
No records here are marked as larvae yet, so there is no larva season to show. One needs at least 20 records from 5 different years.
In Ohio
Mid-June to mid-September, middle week Jul 19–25
Middle week · Jul 19–25
This week · Nov 8–14
JanFebMarAprMayJunJulAugSepOctNovDec
Show over the bars
Recording in Ohio · records of all species each week, 1,691,199 in all
Records per week from 4,482 records in 10 of the 10 years from 2016 to 2025. Shows when people recorded it, not how common it is. The grey bars show how many records of all species were made here each week, so you can see when recording itself was high or low; the season is not adjusted by them.
Recorded on 876 dates. Latest record: October 2025.
Show as a table
Records of Slaty Skimmer in Ohio each week, and records of all species
Week
Records of Slaty Skimmer
Years recorded
Records of all species
Jan 4–10
0
0
6,211
Jan 11–17
0
0
5,146
Jan 18–24
0
0
4,645
Jan 25–31
0
0
4,698
Feb 1–7
0
0
6,023
Feb 8–14
0
0
5,888
Feb 15–21
0
0
5,436
Feb 22–28
0
0
6,846
Mar 1–7
0
0
8,321
Mar 8–14
0
0
10,384
Mar 15–21
0
0
12,620
Mar 22–28
0
0
13,949
Mar 29 – Apr 4
0
0
19,661
Apr 5–11
0
0
26,860
Apr 12–18
0
0
39,925
Apr 19–25
0
0
41,623
Apr 26 – May 2
0
0
56,391
May 3–9
0
0
52,952
May 10–16
0
0
53,785
May 17–23
4
2
57,698
May 24–30
28
8
54,651
May 31 – Jun 6
55
8
53,099
Jun 7–13
125
10
53,700
Jun 14–20
229
10
56,625
Jun 21–27
290
10
55,361
Jun 28 – Jul 4
366
10
58,477
Jul 5–11
468
10
61,336
Jul 12–18
496
10
64,722
Jul 19–25
382
9
69,753
Jul 26 – Aug 1
422
10
59,416
Aug 2–8
357
10
59,712
Aug 9–15
316
10
55,994
Aug 16–22
249
10
54,328
Aug 23–29
160
9
51,772
Aug 30 – Sep 5
184
8
57,167
Sep 6–12
124
10
59,075
Sep 13–19
92
9
54,543
Sep 20–26
92
8
45,860
Sep 27 – Oct 3
21
7
43,180
Oct 4–10
21
6
37,841
Oct 11–17
1
1
30,824
Oct 18–24
0
0
21,156
Oct 25–31
0
0
19,021
Nov 1–7
0
0
14,172
Nov 8–14
0
0
12,621
Nov 15–21
0
0
7,965
Nov 22–28
0
0
8,136
Nov 29 – Dec 5
0
0
6,083
Dec 6–12
0
0
6,004
Dec 13–19
0
0
5,423
Dec 20–26
0
0
5,661
Dec 27 – Jan 2
0
0
8,459
Reported as an adult
Usually reported as an adult early June to mid-September, middle week Jul 19–25.
From 400 records that are marked as adults. Not every photo is marked with a life stage, so this shows when people reported it as an adult, not when adults are about.
Reported as a larva
No records here are marked as larvae yet, so there is no larva season to show. One needs at least 20 records from 5 different years.
What these results show
These results show when people recorded a species, not when or where it occurs. Missing weeks and low counts do not mean absence or scarcity, and counts are not abundance. Contributed records reflect where, when and what people chose to observe.
Eastern PondhawkErythemis simplicicollisOften confused in Ohio: 14 identifications in Ohio named one where the other was meant
Great Blue SkimmerLibellula vibransOften confused in Ohio: 12 identifications in Ohio named one where the other was meant
Blue DasherPachydiplax longipennis55 identifications worldwide named one where the other was meant
Spangled SkimmerLibellula cyanea50 identifications worldwide named one where the other was meant
Blue CorporalLadona deplanata44 identifications worldwide named one where the other was meant
From iNaturalist’s similar-species counts, refreshed monthly: confusions in Ohio first, then worldwide. Only species with an Ohio result are listed.
When each is reported
All recordsUsually mid-June to mid-September, middle week mid-July · 4,482 records
Reported as femaleUsually late May to late July, middle week mid-June · 41 records
Not every photo is marked with a sex or a sign, so these show when people reported each, not when it happens.
Months not reported
Jan: no record
Feb: no record
Mar: no record
Apr: no record
May: recorded
Jun: recorded
Jul: recorded
Aug: recorded
Sep: recorded
Oct: recorded
Nov: no record
Dec: no record
Not reported in Ohio in November to April, 2016 to 2025.
Time of day it is recorded
midnight6 amnoon6 pm
From 4,287 Ohio records with a time. Most records are made when people are outside, so night and early-morning species are under-recorded.
Land cover where it is recorded
Land cover
Its recordsAll Ohio records
Forest
38%31%
Developed
21%49%
Open water
16%3%
Farmland
10%11%
Wetland
10%5%
Grassland and shrub
5%0.9%
Barren
0.5%0.6%
From 1,503 records placed within 100 m, beside all Ohio records placed the same way. People record where they go, so this shows where records come from, not where the species lives. Land cover: USGS Annual NLCD, 2025 (opens in a new tab)
Sources
Where these results come from
Records from iNaturalist research-grade observations and expert-identified GBIF datasets, CC0, CC BY and CC BY-NC. Sources
Seasons use the published method and its evidence thresholds. Methods
A spreadsheet (CSV) with a link to each record, on iNaturalist or GBIF. Records whose location was hidden by the observer or the source are counted but not linked.
