#3234 · 🪲 beetles
Tanbark Borer
🇳🇱 Veranderlijke boktor ·Phymatodes testaceus
7 photos from iNaturalist (Creative Commons) · credits & licences
what is it?
Phymatodes testaceus (commonly known as the tanbark borer , or the violet tanbark beetle ) is a transpalearctic polymorphic species of beetle in the subfamily Cerambycinae in the longhorn beetle family.
base stats
Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).
fun facts
- Spotted 147 times in the Netherlands on iNaturalist.
- 5,635 observations worldwide on iNaturalist.
- Scientifically named in 1758 (268 years ago).
fact sheet
- English
- Tanbark Borer
- Nederlands
- Veranderlijke boktor
- scientific name
- Phymatodes testaceus
- class
- Insecta
- order
- Coleoptera
- family
- Cerambycidae
- sightings in NL
- 147
- sightings in Europe
- 4,666
- sightings worldwide
- 5,635
- GBIF records in NL
- 5,729
- weight
- —
- length
- —
- lifespan
- —
- named
- 1758
relatives· Cerambycidae
#3173 📷 10Wasp Beetle
🇳🇱 Kleine Wespenbok
Clytus arietis
👀 763 in NL
#3183 📷 10Red Pine Longhorn Beetle
🇳🇱 Rode smalbok
Stictoleptura rubra
👀 480 in NL
#3187 📷 10four-banded longhorn beetle
🇳🇱 Gevlekte smalboktor
Leptura quadrifasciata
👀 421 in NL
#3194 📷 10Golden-bloomed Longhorn Beetle
🇳🇱 Gewone Distelboktor
Agapanthia villosoviridescens
👀 345 in NL
#3200 📷 10common grammoptera
🇳🇱 Gewone bloesemboktor
Grammoptera ruficornis
👀 308 in NL
#3201 📷 10Spotted Longhorn Beetle
🇳🇱 Geringelde smalboktor
Rutpela maculata
👀 307 in NL
#3221 📷 8Black-striped Longhorn Beetle
🇳🇱 Tweekleurige smalboktor
Stenurella melanura
👀 167 in NL
#3222 📷 10Fairy-ring Longhorn Beetle
🇳🇱 Ingekeepte smalboktor
Pseudovadonia livida
👀 167 in NL
Sources: iNaturalist taxon 228022, Wikidata Q1315415, GBIF 8961343, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.