Bug FAQBlood-red longhorn beetle
Anastrangalia sanguinolenta · Order: Coleoptera · Family: Cerambycidae
The blood-red longhorn beetle is 8 to 13 mm long and shows black heads, antennae and pronotum, with reddish-brown elytra in females and yellowish-brown elytra in males. It lives in mountainous coniferous forests across most of Europe and parts of the Near East, where larvae develop in dead pine and spruce wood and adults feed on flower nectar and pollen from May to August.
Source: Wikipedia
How to recognize it
Head, antennae and pronotum are black; females have reddish-brown wing covers while males have yellowish-brown wing covers.
Source: Wikipedia
Size
Adults measure between 8 and 13 mm (0.31 to 0.51 in).
Source: Wikipedia
Where it lives
Found mainly in mountainous coniferous forests.
Source: Wikipedia
What it eats
Larvae feed on dead wood of pine (Pinus sylvestris) and spruce (Picea abies); adults visit flowers for nectar and pollen.
Source: Wikipedia
Life cycle
The species completes its life cycle in 2 to 3 years, with adults present from May through August.
Source: Wikipedia
When you see it
Adults can be seen from May to August.
Source: Wikipedia
Where it comes from
Common throughout most of Europe and in Near Eastern regions such as the Caucasus, Transcaucasia and Turkey.
Source: Wikipedia
Lookalikes
It belongs to the flower longhorn beetles (family Cerambycidae, subfamily Lepturinae).
Source: Wikipedia
More photos
Questions people ask
When are blood-red longhorn beetles active?
Adults are active from May through August.
Source: Wikipedia
What do the larvae of this beetle eat?
The larvae develop inside dead wood of pine and spruce trees.
Source: Wikipedia
Where can I find this beetle?
It lives in mountainous coniferous forests across most of Europe and parts of the Near East.
Source: Wikipedia
Same family (Cerambycidae)
House LonghornHylotrupes bajulusCan damage your home
Asian Longhorned BeetleAnoplophora glabripennisDamages trees, gardens or crops
Red Milkweed BeetleTetraopes tetrophthalmus
White-spotted SawyerMonochamus scutellatusCan damage your home
Red Pine Longhorn BeetleStictoleptura rubra
Spotted Longhorn BeetleRutpela maculataDamages trees, gardens or cropsSources
- Wikipedia: https://en.wikipedia.org/wiki/Anastrangalia_sanguinolenta
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-23 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-22.