Vernal Shield Bug

Vernal Shield Bug

Holcostethus strictus

Daily sighting probability <5% · Rare
at Rotterdam [The Hague]

In 3 days ~10% in a week ~30%

6 Verified sightings at Rotterdam [The Hague]
90 In all 9 parks From 2019 to 2026
May Best month
☀️ Diurnal When it's spotted

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Sierra Nevada National Park 🇪🇸 Spain
~10%
2 Vanoise National Park 🇫🇷 France
~10%
3 Mercantour National Park 🇫🇷 France
~10%
4 Bavarian Forest National Park 🇩🇪 Germany
~10%
5 Ecrins National Park 🇫🇷 France
~10%
6 Fertő-Hanság National Park 🇭🇺 Hungary
~10%
7 Cévennes National Park 🇫🇷 France
~10%
8 Sierra de Guadarrama National Park 🇪🇸 Spain
~10%
9 Pyrénées National Park 🇫🇷 France
<5%

Cities Where Found

# City Country Daily sighting probability
1 Bucharest 🇷🇴 Romania
~10%
2 Lyon 🇫🇷 France
~10%
3 Vienna 🇦🇹 Austria
~10%
4 Istanbul 🇹🇷 Turkey
~10%
5 Warsaw 🇵🇱 Poland
~10%
6 Helsinki 🇫🇮 Finland
~10%
7 Paris 🇫🇷 France
~10%
8 Budapest 🇭🇺 Hungary
~10%
9 Nizhny Novgorod 🇷🇺 Russia
~10%
10 Berlin 🇩🇪 Germany
~10%

Before you go

What are the chances of seeing a Vernal Shield Bug in Rotterdam [The Hague]?

Rare

Under 5% of wildlife watchers report a Vernal Shield Bug sighting in Rotterdam [The Hague] on a given day, based on 6 verified sightings from GBIF citizen-science data. It is the 265th most-seen of the 355 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.

When is the best time to see a Vernal Shield Bug in Rotterdam [The Hague]?

May, August and November

In those months about 10% of wildlife watchers report a Vernal Shield Bug in Rotterdam [The Hague] on a given day, against under 5% in June–July, September–October and December–April, the lowest months.

What time of day is best to see a Vernal Shield Bug?

Between 11 am and 2 pm

Across all the parks we cover, that three-hour window holds the most Vernal Shield Bug sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Is Rotterdam [The Hague] the best place to see a Vernal Shield Bug?

16th of 25

Of the 25 cities where we can rate Vernal Shield Bug sightings, Rotterdam [The Hague] ranks 16th at under 5%. The best odds are in Bucharest (Romania, about 10%), Lyon (France, about 10%) and Vienna (Austria, about 10%).

Which relatives of the Vernal Shield Bug live in Rotterdam [The Hague]?

Same family: Pentatomidae

The closest relatives of the Vernal Shield Bug that you can see in Rotterdam [The Hague] (family Pentatomidae, Stink Bugs) are Green Shield Bug (about 20%), Forest Bug (about 10%) and Mottled Stink Bug (about 10%), with each one's daily chance of a sighting.

Where does the Vernal Shield Bug sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Vernal Shield Bug is recorded against all the insects logged in Rotterdam [The Hague] (6 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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