Sphenophorus cicatristriatus
In 3 days ~10% in a week ~20%
Sphenophorus cicatristriatus, known generally as the Rocky Mountain billbug or Denver billbug, is a species of true weevil in the beetle family Curculionidae. It is found in North America. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Denver | 🇺🇸 United States | |
| 2 | Mexico City | 🇲🇽 México |
Rare
Under 5% of wildlife watchers report a Rocky Mountain Billbug sighting in Mexico City on a given day, based on 8 verified sightings from GBIF citizen-science data. It is the 442nd most-seen of the 557 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Rocky Mountain Billbug in Mexico City on a given day, so our monthly data shows no clear season.
2nd of 2
Of the 2 cities where we can rate Rocky Mountain Billbug sightings, Mexico City ranks 2nd at under 5%. The best odds are in Denver (United States, about 10%).
Same family: Dryophthoridae
The closest relatives of the Rocky Mountain Billbug that you can see in Mexico City (family Dryophthoridae) are Cactus Weevil (about 10%) and Rhodobaenus sanguineus (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Rocky Mountain Billbug is recorded against all the insects logged in Mexico City (8 verified sightings), 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.
