Bug FAQHermit Flower Beetle
Osmoderma eremicola · Order: Coleoptera · Family: Scarabaeidae
Also called: Hermit Beetle
The hermit flower beetle is a large, shiny, dark brown beetle about 21 to 32 mm long.
Source: Wikipedia
How to recognize it
It is large, shiny, and dark brown.
Source: Wikipedia
Size
Adults measure 21 to 32 mm in length.
Source: Wikipedia
Where it lives
It is found in wooded areas near tree trunks.
Source: Wikipedia
Where it is found in the US
Recorded in 27 of 51 states and DC. Most records: New York, Ohio, Michigan, Pennsylvania, Massachusetts, Indiana, Kentucky, Connecticut.
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
How big does this beetle get?
Adults are 21 to 32 mm long and have a shiny dark brown appearance.
Source: Wikipedia
Same family (Scarabaeidae)
Japanese BeetlePopillia japonicaDamages trees, gardens or crops
Common Green June BeetleCotinis nitidaDamages trees, gardens or crops
Phyllophaga crinitaPhyllophaga crinitaDamages trees, gardens or crops
European Rose ChaferCetonia aurata
Mediterranean Spotted ChaferOxythyrea funestaDamages trees, gardens or crops
Oriental BeetleExomala orientalisDamages trees, gardens or cropsSources
- Wikipedia: https://en.wikipedia.org/wiki/Osmoderma_eremicola
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-23 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-23.