Bug FAQCalosoma cancellatum
Calosoma cancellatum · Order: Coleoptera · Family: Carabidae
The latticed beautiful black searcher lives on open dry ground and can also be found in cultivated fields. Adults are active during the day and the larvae eat the larvae of the moth Peridroma saucia.
Source: Wikipedia
How to recognize it
Calosoma cancellatum is known as the latticed beautiful black searcher.
Source: Wikipedia
Where it lives
It inhabits open dry ground and may also appear in cultivated fields.
Source: Wikipedia
When you see it
Adult beetles are diurnal, being active during daylight hours.
Source: Wikipedia
Where it is found in the US
Recorded in 8 of 51 states and DC. Most records: California, Utah, Idaho, Oregon, Washington, Nevada, Montana, Florida.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in Canada; native in United States. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
What does Calosoma cancellatum eat?
Its larvae feed on the larvae of the moth Peridroma saucia.
Source: Wikipedia
Where might I find Calosoma cancellatum?
Look for it on open dry ground or in cultivated fields.
Source: Wikipedia
Same family (Carabidae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Calosoma_cancellatum
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.