Sycamore Seed Bug

Sycamore Seed Bug

Belonochilus numenius

Daily sighting probability ~10% · With luck
at Valencia, Spain

In 3 days ~30% in a week ~50%

13 Verified sightings at Valencia, Spain
August Best month

About the Sycamore Seed Bug

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 →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Valencia 🇪🇸 Spain
~10%
2 Barcelona 🇪🇸 Spain
~10%
3 Madrid 🇪🇸 Spain
~10%
4 Vienna 🇦🇹 Austria
~10%
5 Lyon 🇫🇷 France
~10%
6 Paris 🇫🇷 France
<5%
7 Bucharest 🇷🇴 Romania
<5%
8 Prague 🇨🇿 Czechia
<5%
9 Lisbon 🇵🇹 Portugal
<5%
10 Monterrey 🇲🇽 México
<5%

Before you go

What are the chances of seeing a Sycamore Seed Bug in Valencia, Spain?

With luck

About 10% of wildlife watchers report a Sycamore Seed Bug sighting in Valencia, Spain on a given day, based on 13 verified sightings from GBIF citizen-science data. It is the 64th most-seen of the 147 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.

When is the best time to see a Sycamore Seed Bug in Valencia, Spain?

June, August and November

In those months about 20% of wildlife watchers report a Sycamore Seed Bug in Valencia, Spain on a given day, against under 5% in September and December–May, the lowest months.

Is Valencia, Spain the best place to see a Sycamore Seed Bug?

Yes

Of the 15 cities where we can rate Sycamore Seed Bug sightings, Valencia, Spain has the highest daily chance: about 10%. Next come Barcelona (Spain, about 10%) and Madrid (Spain, about 10%).

Which relatives of the Sycamore Seed Bug live in Valencia, Spain?

Same family: Lygaeidae

The closest relatives of the Sycamore Seed Bug that you can see in Valencia, Spain (family Lygaeidae, Seed Bugs) are Spilostethus furcula (about 10%) and Indian Milkweed Bug (about 10%), with each one's daily chance of a sighting.

Where does the Sycamore Seed Bug sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Sycamore Seed Bug is recorded against all the insects logged in Valencia, Spain (13 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.

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