Cyclocephala melanocephala
In 3 days ~20% in a week ~40%
Cyclocephala melanocephala is a species of beetle in the subfamily Dynastinae. It is found in North and Central America. Adults typically feed on Helianthus annuus inflorescence. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Brownsberg Nature Park | 🇸🇷 Suriname | |
| 2 | Tayrona National Natural Park | 🇨🇴 Colombia | |
| 3 | Braulio Carrillo National Park | 🇨🇷 Costa Rica | |
| 4 | Manu National Park | 🇵🇪 Peru |
With luck
About 10% of wildlife watchers report a Cyclocephala melanocephala sighting in Braulio Carrillo National Park on a given day, based on 9 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 214th most-seen of the 378 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.
January–April, June and September–October
In those months about 10% of wildlife watchers report a Cyclocephala melanocephala in Braulio Carrillo National Park on a given day, against under 5% in May, July–August and November–December, the lowest months.
Between 7 and 10 pm
Across all the parks we cover, that three-hour window holds the most Cyclocephala melanocephala 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.
3rd of 4
Of the 4 parks where we can rate Cyclocephala melanocephala sightings, Braulio Carrillo National Park ranks 3rd at about 10%. The best odds are in Brownsberg Nature Park (Suriname, about 30%) and Tayrona National Natural Park (Colombia, about 10%).
Same genus: Cyclocephala
The closest relatives of the Cyclocephala melanocephala that you can see in Braulio Carrillo National Park (genus Cyclocephala, Masked Chafers) are Cyclocephala amazona (about 20%), Cyclocephala brittoni (about 10%) and Cyclocephala lunulata (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Cyclocephala melanocephala is recorded against all the insects logged in Braulio Carrillo 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.
