Cruciferous Bug
Daily sighting probability <5% · Rare
at Porto

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

10 Verified sightings at Porto
46 In all 4 parks From 2019 to 2026
April Best month
☀️ Diurnal When it's spotted

About the Cruciferous Bug

Eurydema ventralis is a shield bug of the family Pentatomidae, subfamily Pentatominae. The species was first described by Friedrich August Rudolph Kolenati in 1846. 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 Fertő-Hanság National Park 🇭🇺 Hungary
~10%
4 Pyrénées National Park 🇫🇷 France
<5%

Cities Where Found

# City Country Daily sighting probability
1 Astana 🇰🇿 Kazakhstan
~20%
2 Vienna 🇦🇹 Austria
~10%
3 Budapest 🇭🇺 Hungary
~10%
4 Lyon 🇫🇷 France
~10%
5 Kyiv 🇺🇦 Ukraine
~10%
6 Novosibirsk 🇷🇺 Russia
~10%
7 Rome 🇮🇹 Italy
~10%
8 Paris 🇫🇷 France
~10%
9 Valencia 🇪🇸 Spain
~10%
10 Bucharest 🇷🇴 Romania
~10%

Before you go

What are the chances of seeing a Cruciferous Bug in Porto?

Rare

Under 5% of wildlife watchers report a Cruciferous Bug sighting in Porto on a given day, based on 10 verified sightings from GBIF citizen-science data. It is the 377th 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 Cruciferous Bug in Porto?

April and July

In those months about 10% of wildlife watchers report a Cruciferous Bug in Porto on a given day, against under 5% in May–June and August–March, the lowest months.

What time of day is best to see a Cruciferous Bug?

Between 9 am and noon

Across all the parks we cover, that three-hour window holds the most Cruciferous Bug sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Is Porto the best place to see a Cruciferous Bug?

15th of 16

Of the 16 cities where we can rate Cruciferous Bug sightings, Porto ranks 15th at under 5%. The best odds are in Astana (Kazakhstan, about 20%), Vienna (Austria, about 10%) and Budapest (Hungary, about 10%).

Where does the Cruciferous Bug sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Cruciferous Bug is recorded against all the insects logged in Porto (10 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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