Chlorion aerarium
In 3 days ~30% in a week ~50%
Chlorion aerarium, commonly known as the steel-blue cricket hunter, is a species of thread-waisted wasps in the family Sphecidae. It is similar in shape and colour to the blue mud dauber species, Chalybion californicum, which often overlaps in range. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Point Pelee National Park | 🇨🇦 Canada |
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Detroit | 🇺🇸 United States | |
| 2 | Sacramento | 🇺🇸 United States | |
| 3 | Philadelphia | 🇺🇸 United States | |
| 4 | Denver | 🇺🇸 United States | |
| 5 | Mesa | 🇺🇸 United States | |
| 6 | Minneapolis [Saint Paul] | 🇺🇸 United States | |
| 7 | San Diego | 🇺🇸 United States | |
| 8 | New York City | 🇺🇸 United States | |
| 9 | Los Angeles | 🇺🇸 United States | |
| 10 | Chicago | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Steel-Blue Cricket-Hunter Wasp sighting in Point Pelee National Park on a given day, based on 12 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 84th most-seen of the 196 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 50%, if each day is a fresh chance.
July and September
In those months about 20% of wildlife watchers report a Steel-Blue Cricket-Hunter Wasp in Point Pelee National Park on a given day, against under 5% in October to June, the lowest months.
Between noon and 3 pm
Across all the parks we cover, that three-hour window holds the most Steel-Blue Cricket-Hunter Wasp sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
Only Point Pelee National Park, in our data
Point Pelee National Park is the only park on Wallace's Line with enough records to rate Steel-Blue Cricket-Hunter Wasp sightings: about 10% of wildlife watchers there report one on a given day.
Same order: Hymenoptera
The closest relatives of the Steel-Blue Cricket-Hunter Wasp that you can see in Point Pelee National Park (order Hymenoptera, Ants, Bees, Wasps, and Sawflies) are Two-Spotted Bumble Bee (about 10%), Eastern Cicada-Killer Wasp (about 10%) and Four-Toothed Mason Wasp (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Steel-Blue Cricket-Hunter Wasp is recorded against all the insects logged in Point Pelee National Park (12 verified sightings from 2019 to 2026), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.
