Hydrophilus ovatus
Daily sighting probability ~10% · With luck
at Big Cypress National Preserve

In 3 days ~20% in a week ~40%

9 Verified sightings at Big Cypress National Preserve From 2019 to 2026
9 In 1 park
May Best month
🌅 Crepuscular When it's spotted

About the Hydrophilus ovatus

Hydrophilus ovatus is a species of water scavenger beetle in the family Hydrophilidae. It is found in the eastern United States from Maine south to Florida and west to Texas and Kansas, southern Ontario and Quebec, and south to southern Mexico. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Big Cypress National Preserve 🇺🇸 United States
~10%

More parks will be added in future updates.

Before you go

What are the chances of seeing a Hydrophilus ovatus in Big Cypress National Preserve?

With luck

About 10% of wildlife watchers report a Hydrophilus ovatus sighting in Big Cypress National Preserve on a given day, based on 9 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 173rd most-seen of the 262 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.

When is the best time to see a Hydrophilus ovatus in Big Cypress National Preserve?

May

In that month about 20% of wildlife watchers report a Hydrophilus ovatus in Big Cypress National Preserve on a given day, against under 5% in April and August–February, the lowest months.

What time of day is best to see a Hydrophilus ovatus?

Between 8 and 11 pm

Across all the parks we cover, that three-hour window holds the most Hydrophilus ovatus sightings with a recorded time, and about 7 in 10 of them come between 6 pm and 6 am: it is most active around dawn and dusk.

Where else can you see a Hydrophilus ovatus?

Only Big Cypress National Preserve, in our data

Big Cypress National Preserve is the only park on Wallace's Line with enough records to rate Hydrophilus ovatus sightings: about 10% of wildlife watchers there report one on a given day.

Which relatives of the Hydrophilus ovatus live in Big Cypress National Preserve?

Same family: Hydrophilidae

The closest relatives of the Hydrophilus ovatus that you can see in Big Cypress National Preserve (family Hydrophilidae, Water Scavenger Beetles) are Helobata larvalis (about 10%), Hydrobiomorpha casta (about 10%) and Tropisternus collaris (about 10%), with each one's daily chance of a sighting.

Where does the Hydrophilus ovatus sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Hydrophilus ovatus is recorded against all the insects logged in Big Cypress National Preserve (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.

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