Bug FAQPine Sawyer Beetle
Monochamus sutor · Order: Coleoptera · Family: Cerambycidae
Also called: Pine Sawyer
Adult pine sawyer beetles are about 15 to 24 mm long, while their larvae can grow up to 45 mm. They are native to much of Europe and have also been introduced to Belgium and the Netherlands.
Source: Wikipedia
Size
Adults measure roughly 1.5 to 2.4 cm in length. Larvae can reach about 4.5 cm long.
Source: Wikipedia
Where it comes from
The species occurs naturally across Europe. It has been introduced to Belgium and the Netherlands.
Source: Wikipedia
Where it is found in the US
Recorded in 1 of 51 states and DC. Most records: Utah.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
More photos
Questions people ask
How big are adult pine sawyer beetles?
Adults are about 15 to 24 mm (0.6 to 0.9 in) long.
Source: Wikipedia
Where is the pine sawyer beetle native to?
It is native throughout Europe and has been introduced to Belgium and the Netherlands.
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/Monochamus_sutor
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.