Bug FAQNebria crassicornis
Nebria crassicornis · Order: Coleoptera · Family: Carabidae
Nebria crassicornis is a ground beetle in the Nebriinae subfamily. It lives in mid-elevation to mountainous regions close to water. In the U.S. it is recorded from Montana and Washington, and adults are nocturnal predators.
Source: Wikipedia
How to recognize it
Nebria crassicornis belongs to the ground beetle subfamily Nebriinae.
Source: Wikipedia
Where it lives
It inhabits mid-to-upland or mountainous areas near water.
Source: Wikipedia
What it eats
Adult beetles are nocturnal and feed on other animals.
Source: Wikipedia
When you see it
Adults are active at night.
Source: Wikipedia
Where it comes from
In the United States it occurs in Montana and Washington.
Source: Wikipedia
Where it is found in the US
Recorded in 5 of 51 states and DC. Most records: Washington, Montana, Oregon, Kansas, Utah.
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
Questions people ask
What does Nebria crassicornis eat?
Adults are nocturnal predators that feed on other animals.
Source: Wikipedia
Where can I find this beetle?
It is found in Montana and Washington, usually in mid-elevation to mountainous areas near water.
Source: Wikipedia
Same family (Carabidae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Nebria_crassicornis
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-27 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-27.