Hook-Winged Lacewing

Hook-Winged Lacewing

Drepanepteryx phalaenoides

Daily sighting probability <5% · Rare
at Vienna

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

30 Verified sightings at Vienna
15 In all 2 parks From 2019 to 2026
June Best month
🌙 Nocturnal When it's spotted

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Bavarian Forest National Park 🇩🇪 Germany
~10%
2 Pyrénées National Park 🇫🇷 France
<5%

Cities Where Found

# City Country Daily sighting probability
1 Vienna 🇦🇹 Austria
<5%
2 Prague 🇨🇿 Czechia
<5%
3 Warsaw 🇵🇱 Poland
<5%
4 Copenhagen 🇩🇰 Denmark
<5%
5 Moscow 🇷🇺 Russia
<5%

Before you go

What are the chances of seeing a Hook-Winged Lacewing in Vienna?

Rare

Under 5% of wildlife watchers report a Hook-Winged Lacewing sighting in Vienna on a given day, based on 30 verified sightings from GBIF citizen-science data. It is the 431st most-seen of the 1406 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 Hook-Winged Lacewing in Vienna?

June and July

In those months about 10% of wildlife watchers report a Hook-Winged Lacewing in Vienna on a given day, against under 5% in August to May, the lowest months. Those are among Vienna's wettest months, with about 90 mm of rain a month against 40 mm in February.

What time of day is best to see a Hook-Winged Lacewing?

Between 10 pm and 1 am

Across all the parks we cover, that three-hour window holds the most Hook-Winged Lacewing sightings with a recorded time, and about 8 in 10 of them come between 6 pm and 6 am: it is mostly seen at night.

Is Vienna the best place to see a Hook-Winged Lacewing?

Yes

Of the 5 cities where we can rate Hook-Winged Lacewing sightings, Vienna has the highest daily chance: under 5%. Next come Prague (Czechia, under 5%) and Warsaw (Poland, under 5%).

Where does the Hook-Winged Lacewing sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Hook-Winged Lacewing is recorded against all the insects logged in Vienna (30 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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