Bug FAQCedar beetle (Sandalus petrophya)
Sandalus petrophya · Order: Coleoptera · Family: Rhipiceridae
Sandalus petrophya has a vertical ridge down the middle of its pronotum. It is found in North America. It can be confused with Sandalus niger, but the ridge on the pronotum distinguishes it.
Source: Wikipedia
How to recognize it
A distinct vertical ridge runs down the center of the pronotum.
Source: Wikipedia
Where it lives
This species occurs in North America.
Source: Wikipedia
Where it comes from
It is native to North America.
Source: Wikipedia
Lookalikes
It resembles Sandalus niger but can be told apart by the vertical pronotal ridge.
Source: Wikipedia
Where it is found in the US
Recorded in 21 of 51 states and DC. Most records: Pennsylvania, North Carolina, Maryland, Virginia, Kansas, Ohio, Illinois, Kentucky.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Months it is reported in the US
Source: GBIF
More photos
Same family (Rhipiceridae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Sandalus_petrophya
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.