Bug FAQGnathacmaeops pratensis
Gnathacmaeops pratensis · Order: Coleoptera · Family: Cerambycidae
Adult Gnathacmaeops pratensis feed on Norway spruce. It is found across many European countries, parts of Asia, and North America including the United States and Canada. Two recognized varieties are var. obscuripennis and var. suturalis.
Source: Wikipedia
Where it lives
Adults live on Norway spruce trees.
Source: Wikipedia
What it eats
The adult beetle feeds on Norway spruce.
Source: Wikipedia
Where it is found in the US
Recorded in 16 of 51 states and DC. Most records: Alaska, Colorado, California, Wyoming, Montana, New Mexico, Washington, Oregon.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in Canada. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
Where is Gnathacmaeops pratensis found?
It is recorded in many European countries, parts of Asia, and in North America (Canada and the United States).
Source: Wikipedia
Are there look-alike varieties of this beetle?
Yes, there are two varieties: var. obscuripennis and var. suturalis.
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 maculataSources
- Wikipedia: https://en.wikipedia.org/wiki/Gnathacmaeops_pratensis
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-24 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-24.