Hemeroblemma opigena
In 3 days ~20% in a week ~50%
Hemeroblemma opigena is a species of moth in the family Erebidae first described by Dru Drury in 1773. The species is found from Florida to Brazil. The wingspan is about 80 mm for the females. In Florida, adults are on wing in March. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Main Ridge Forest Reserve | 🇹🇹 Trinidad and Tobago | |
| 2 | Big Cypress National Preserve | 🇺🇸 United States | |
| 3 | Everglades National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | San José | 🇨🇷 Costa Rica |
With luck
About 10% of wildlife watchers report a Hemeroblemma opigena sighting in Big Cypress National Preserve on a given day, based on 8 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 154th 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 50%, if each day is a fresh chance.
August
In that month about 30% of wildlife watchers report a Hemeroblemma opigena in Big Cypress National Preserve on a given day, against under 5% in January–May, July and September–October, the lowest months. That is one of Big Cypress National Preserve's wettest months, with about 210 mm of rain against 40 mm in March.
Between 9 pm and midnight
Across all the parks we cover, that three-hour window holds the most Hemeroblemma opigena sightings with a recorded time, and about 9 in 10 of them come between 6 pm and 6 am: it is mostly seen at night.
2nd of 3
Of the 3 parks where we can rate Hemeroblemma opigena sightings, Big Cypress National Preserve ranks 2nd at about 10%. The best odds are in Main Ridge Forest Reserve (Trinidad and Tobago, about 20%).
Same family: Erebidae
The closest relatives of the Hemeroblemma opigena that you can see in Big Cypress National Preserve (family Erebidae, Underwing, Tiger, Tussock, and Allied Moths) are Ornate Bella Moth (about 30%), Cypress Looper (about 20%) and Fall Webworm Moth (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Hemeroblemma opigena is recorded against all the insects logged in Big Cypress National Preserve (8 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.
