Coastal Groundbug

Coastal Groundbug

Beosus maritimus

Daily sighting probability <5% · Rare
at Lisbon

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

16 Verified sightings at Lisbon
35 In all 4 parks From 2019 to 2026
June 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 Lisbon?

Rare

Under 5% of wildlife watchers report a Coastal Groundbug sighting in Lisbon on a given day, based on 16 verified sightings from GBIF citizen-science data. It is the 197th most-seen of the 441 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 Lisbon?

May and June

In those months about 10% of wildlife watchers report a Coastal Groundbug in Lisbon on a given day, against under 5% in July to April, the lowest months. Those are among Lisbon's driest months, with about 25 mm of rain a month against 95 mm in November.

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 Lisbon the best place to see a Coastal Groundbug?

9th of 13

Of the 13 cities where we can rate Coastal Groundbug sightings, Lisbon ranks 9th 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 Lisbon?

Same order: Hemiptera

The closest relatives of the Coastal Groundbug that you can see in Lisbon (order Hemiptera, True Bugs, Hoppers, Aphids, and allies) are Ash Cicada (about 20%), European Firebug (about 20%) 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 Lisbon (16 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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