Bug FAQToothed Round Sand Beetle
Omophron dentatum · Order: Coleoptera · Family: Carabidae
The toothed round sand beetle is a ground beetle in the family Carabidae. It lives in Central America and the western part of North America, including Baja California and California. Adults are active at night and both larvae and adults hide in burrows they dig during the day.
Source: Wikipedia
Where it lives
It is found near the edges of rivers, brooks, and ponds.
Source: Wikipedia
Life cycle
During daylight, both larvae and adults stay in burrows they dig in the ground.
Source: Wikipedia
When you see it
Adults are nocturnal.
Source: Wikipedia
Where it comes from
Its range includes Central America and North America, especially Baja California and California.
Source: Wikipedia
Where it is found in the US
Recorded in 2 of 51 states and DC. Most records: California, Utah.
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
Questions people ask
Where can I find the toothed round sand beetle?
It occurs in Central America and the western United States, especially Baja California and California.
Source: Wikipedia
Same family (Carabidae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Omophron_dentatum
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-26 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-26.