Belonochilus numenius
In 3 days ~10%
Belonochilus is a genus of seed bugs in the family Lygaeidae. There is one described species in Belonochilus, B. numenius, the sycamore seed bug, making it a monotypic genus. It is native to North America, but is an invasive species in Europe. It primarily feeds on Platanus trees and lays its eggs on fruit, although some overwinter beneath the bark of the trees they feed on. Wikipedia →
| # | Park | Country | Daily sighting probability |
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More parks will be added in future updates.
Rare
Under 5% of wildlife watchers report a Sycamore Seed Bug sighting in San Francisco on a given day, based on 11 verified sightings from GBIF citizen-science data. It is the 458th most-seen of the 737 insects we can rate there. Over three days the chance rises to about 10%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Sycamore Seed Bug in San Francisco on a given day, so our monthly data shows no clear season.
14th of 15
Of the 15 cities where we can rate Sycamore Seed Bug sightings, San Francisco ranks 14th at under 5%. The best odds are in Valencia (Spain, about 10%), Barcelona (Spain, about 10%) and Madrid (Spain, about 10%).
Same family: Lygaeidae
The closest relatives of the Sycamore Seed Bug that you can see in San Francisco (family Lygaeidae, Seed Bugs) are Large Milkweed Bug (about 10%) and Small Milkweed Bug (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Sycamore Seed Bug is recorded against all the insects logged in San Francisco (11 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.
