Lethocerus uhleri
In 3 days ~30% in a week ~50%
Lethocerus uhleri, or Uhler's water bug, is a species of giant water bug in the family Belostomatidae. It is found in eastern North America from New York, Michigan, and Wisconsin south to Florida and northern Tamaulipas. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Big Cypress National Preserve | 🇺🇸 United States | |
| 2 | Merritt Island National Wildlife Refuge | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report an Uhler's Giant Water Bug sighting in Big Cypress National Preserve on a given day, based on 10 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 116th most-seen of the 262 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.
May to August
In those months about 20% of wildlife watchers report an Uhler's Giant Water Bug in Big Cypress National Preserve on a given day, against under 5% in March, September–October and December–January, the lowest months. Those are among Big Cypress National Preserve's wettest months, with about 200 mm of rain a month against 40 mm in March.
Between 9 pm and midnight
Across all the parks we cover, that three-hour window holds the most Uhler's Giant Water Bug sightings with a recorded time, and about half of them come between 6 pm and 6 am: it is seen both by day and at night.
Yes
Of the 2 parks where we can rate Uhler's Giant Water Bug sightings, Big Cypress National Preserve has the highest daily chance: about 10%. Next come Merritt Island National Wildlife Refuge (United States, under 5%).
GBIF citizen-science records
It is estimated from how often the Uhler's Giant Water Bug is recorded against all the insects logged in Big Cypress National Preserve (10 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.
