Hydrocanthus oblongus
In 3 days ~10% in a week ~30%
Hydrocanthus oblongus is a species of burrowing water beetle in the family Noteridae. It is found in the Caribbean Sea and North America. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Everglades National Park | 🇺🇸 United States |
More parks will be added in future updates.
Rare
Under 5% of wildlife watchers report a Hydrocanthus oblongus sighting in Everglades National Park on a given day, based on 9 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 354th most-seen of the 496 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.
July–September and November
In those months about 10% of wildlife watchers report a Hydrocanthus oblongus in Everglades National Park on a given day, against under 5% in October and December–June, the lowest months.
Between 8 and 11 pm
Across all the parks we cover, that three-hour window holds the most Hydrocanthus oblongus sightings with a recorded time, and nearly all of them come between 6 pm and 6 am: it is mostly seen at night.
Only Everglades National Park, in our data
Everglades National Park is the only park on Wallace's Line with enough records to rate Hydrocanthus oblongus sightings: under 5% of wildlife watchers there report one on a given day.
Same order: Coleoptera
The closest relatives of the Hydrocanthus oblongus that you can see in Everglades National Park (order Coleoptera, Beetles) are Dark Flower Scarab (about 20%), Spotless Lady Beetle (about 10%) and Margined Leatherwing Beetle (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Hydrocanthus oblongus is recorded against all the insects logged in Everglades National Park (9 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.
