Coastal Groundbug

Coastal Groundbug

Beosus maritimus

Daily sighting probability <5% · Rare
at Porto

In 3 days ~10% in a week ~20%

9 Verified sightings at Porto
35 In all 4 parks From 2019 to 2026
July Best month
☀️🌙 Day & Night When it's spotted

About the Coastal Groundbug

Beosus maritimus is a species of dirt-colored seed bug in the family Rhyparochromidae, found mainly in Europe and western Asia. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Sierra Nevada National Park 🇪🇸 Spain
~10%
2 Cévennes National Park 🇫🇷 France
~10%
3 Sierra de Guadarrama National Park 🇪🇸 Spain
<5%
4 Pyrénées National Park 🇫🇷 France
<5%

Cities Where Found

# City Country Daily sighting probability
1 Bucharest 🇷🇴 Romania
~20%
2 Lyon 🇫🇷 France
~10%
3 Budapest 🇭🇺 Hungary
~10%
4 Paris 🇫🇷 France
~10%
5 Kyiv 🇺🇦 Ukraine
~10%
6 Madrid 🇪🇸 Spain
~10%
7 Barcelona 🇪🇸 Spain
<5%
8 Porto 🇵🇹 Portugal
<5%
9 Lisbon 🇵🇹 Portugal
<5%
10 Berlin 🇩🇪 Germany
<5%

Before you go

What are the chances of seeing a Coastal Groundbug in Porto?

Rare

Under 5% of wildlife watchers report a Coastal Groundbug sighting in Porto on a given day, based on 9 verified sightings from GBIF citizen-science data. It is the 357th most-seen of the 498 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.

When is the best time to see a Coastal Groundbug in Porto?

June–July and November

In those months about 10% of wildlife watchers report a Coastal Groundbug in Porto on a given day, against under 5% in August–October and December–May, the lowest months.

What time of day is best to see a Coastal Groundbug?

Between noon and 3 pm

Across all the parks we cover, that three-hour window holds the most Coastal Groundbug sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.

Is Porto the best place to see a Coastal Groundbug?

8th of 13

Of the 13 cities where we can rate Coastal Groundbug sightings, Porto ranks 8th at under 5%. The best odds are in Bucharest (Romania, about 20%), Lyon (France, about 10%) and Budapest (Hungary, about 10%).

Which relatives of the Coastal Groundbug live in Porto?

Same order: Hemiptera

The closest relatives of the Coastal Groundbug that you can see in Porto (order Hemiptera, True Bugs, Hoppers, Aphids, and allies) are Green Leafhopper (about 10%), European Firebug (about 10%) and European Striped Shield Bug (about 10%), with each one's daily chance of a sighting.

Where does the Coastal Groundbug sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Coastal Groundbug is recorded against all the insects logged in Porto (9 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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