Bug FAQCychrus tuberculatus
Cychrus tuberculatus · Order: Coleoptera · Family: Carabidae
Adults have reduced wings and are active at night. They live in coniferous forests, forest clearings and moraines. They prey on snails.
Source: Wikipedia
How to recognize it
Adults have reduced wings and are active at night.
Source: Wikipedia
Size
Adults have reduced wings.
Source: Wikipedia
Where it lives
They inhabit coniferous forests, forest clearings and moraines.
Source: Wikipedia
What it eats
They prey on snails.
Source: Wikipedia
Where it is found in the US
Recorded in 4 of 51 states and DC. Most records: Alaska, Washington, Oregon, Arizona.
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
Same family (Carabidae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Cychrus_tuberculatus
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.