Alurnus ornatus
In 3 days ~30% in a week ~50%
Alurnus ornatus is a species of beetle in the family Chrysomelidae that can grow 19–27 millimeters in length. It is found in Colombia, Costa Rica, Nicaragua, and Panamá. The adult beetles have head, antennae, scutellum, legs, and venter black. The pronotum is red with black apical and basal margins, while the elytra are mostly yellow except for black spots and apical quarters.
Adults of this species have been collected from Chamaedorea palms. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Braulio Carrillo National Park | 🇨🇷 Costa Rica | |
| 2 | Tenorio Volcano National Park | 🇨🇷 Costa Rica | |
| 3 | Tortuguero National Park | 🇨🇷 Costa Rica | |
| 4 | Arenal Volcano National Park | 🇨🇷 Costa Rica |
With luck
About 10% of wildlife watchers report an Alurnus ornatus sighting in Tenorio Volcano National Park on a given day, based on 6 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 61st most-seen of the 98 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.
March, May–July and November
In those months about 20% of wildlife watchers report an Alurnus ornatus in Tenorio Volcano National Park on a given day, against under 5% in April, August–October and December–February, the lowest months.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Alurnus ornatus sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 4 parks where we can rate Alurnus ornatus sightings, Tenorio Volcano National Park ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Braulio Carrillo National Park (Costa Rica, about 10%).
Same family: Chrysomelidae
The closest relatives of the Alurnus ornatus that you can see in Tenorio Volcano National Park (family Chrysomelidae, Leaf Beetles) are Acromis sparsa (about 20%), Omophoita aequinoctialis (about 10%) and Ringed Tortoise Beetle (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Alurnus ornatus is recorded against all the insects logged in Tenorio Volcano National Park (6 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.
