Blood-Red Longhorn Beetle

Blood-Red Longhorn Beetle

Anastrangalia sanguinolenta

Daily sighting probability ~10% · With luck
at Tatra National Park

In 3 days ~30% in a week ~60%

6 Verified sightings at Tatra National Park From 2019 to 2026
97 In all 8 parks
August Best month
☀️ Diurnal When it's spotted

About the Blood-Red Longhorn Beetle

Anastrangalia sanguinolenta, the blood-red longhorn beetle, is a species of flower longhorn beetles belonging to the family Cerambycidae, subfamily Lepturinae. This beetle is a common species present in most of Europe and in the Near Eastern countries such as Caucasus, Transcaucasia, and Turkey, where they mainly inhabit mountainous coniferous forests.

Head, antennae and pronotum are black in both sexes, while elytra are reddish-brown in the female and yellowish-brown in the male. The adults grow up to 8–13 millimetres (0.31–0.51 in) and can be encountered from May through August, completing their life cycle in 2–3 years.

The larvae develop at the expense of various species of conifers, mainly within dead wood of Pinus sylvestris and Picea abies. The adults visit flowers for nectar and pollen. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Aigüestortes National Park 🇪🇸 Spain
~20%
2 Vanoise National Park 🇫🇷 France
~20%
3 Triglav National Park 🇸🇮 Slovenia
~10%
4 Tatra National Park 🇸🇰 Slovakia
~10%
5 Mercantour National Park 🇫🇷 France
~10%
6 Pyrénées National Park 🇫🇷 France
~10%
7 Bavarian Forest National Park 🇩🇪 Germany
~10%
8 Cévennes National Park 🇫🇷 France
<5%

Cities Where Found

# City Country Daily sighting probability
1 Vienna 🇦🇹 Austria
<5%

Before you go

What are the chances of seeing a Blood-Red Longhorn Beetle in Tatra National Park?

With luck

About 10% of wildlife watchers report a Blood-Red Longhorn Beetle sighting in Tatra National Park on a given day, based on 6 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 102nd most-seen of the 142 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.

When is the best time to see a Blood-Red Longhorn Beetle in Tatra National Park?

August

In that month about 20% of wildlife watchers report a Blood-Red Longhorn Beetle in Tatra National Park on a given day, against under 5% in September to May, the lowest months.

What time of day is best to see a Blood-Red Longhorn Beetle?

Between 1 and 4 pm

Across all the parks we cover, that three-hour window holds the most Blood-Red Longhorn Beetle 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 Tatra National Park the best place to see a Blood-Red Longhorn Beetle?

4th of 8

Of the 8 parks where we can rate Blood-Red Longhorn Beetle sightings, Tatra National Park ranks 4th at about 10%. The best odds are in Aigüestortes National Park (Spain, about 20%), Vanoise National Park (France, about 20%) and Triglav National Park (Slovenia, about 10%).

Where does the Blood-Red Longhorn Beetle sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Blood-Red Longhorn Beetle is recorded against all the insects logged in Tatra National Park (6 verified sightings from 2019 to 2026), 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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