Acanthoscelidius acephalus
In 3 days ~10% in a week ~20%
Acanthoscelidius acephalus is a species of minute seed weevil in the family of beetles known as Curculionidae. It is found in North America. It feeds on the leaves of Oenothera biennis. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Boston | 🇺🇸 United States | |
| 2 | New York City | 🇺🇸 United States | |
| 3 | Chicago | 🇺🇸 United States | |
| 4 | Montreal | 🇨🇦 Canada | |
| 5 | Toronto | 🇨🇦 Canada |
Rare
Under 5% of wildlife watchers report an Acanthoscelidius acephalus sighting in Chicago on a given day, based on 12 verified sightings from GBIF citizen-science data. It is the 560th most-seen of the 978 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 an Acanthoscelidius acephalus in Chicago on a given day, so our monthly data shows no clear season.
Among the best
Of the 5 cities where we can rate Acanthoscelidius acephalus sightings, Chicago ranks 3rd at under 5%, level with the leaders once rounded. The best odds are in Boston (United States, under 5%) and New York City (United States, under 5%).
Same family: Curculionidae
The closest relatives of the Acanthoscelidius acephalus that you can see in Chicago (family Curculionidae, True Weevils) are Black Vine Weevil (about 10%) and Green Immigrant Leaf Weevil (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Acanthoscelidius acephalus is recorded against all the insects logged in Chicago (12 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.
