Bug FAQTile-horned Prionus
Prionus imbricornis · Order: Coleoptera · Family: Cerambycidae
Also called: tilehorned prionus
Source: Wikipedia
Prionus imbricornis is a long-horned beetle in the genus Prionus. It occurs in the United States from New York west to Kansas and Texas. Its larvae are a threat to apple, blueberry, and pecan crops.
Source: Wikipedia
Is it a pest in the house?
Larvae are an agricultural pest to apples, blueberries, and pecans.
Source: Wikipedia
What it eats
Larvae feed on apples, blueberries, and pecans, harming those crops.
Source: Wikipedia
Where it comes from
Native to the United States, ranging from New York to Kansas and Texas.
Source: Wikipedia
Where it is found in the US
Recorded in 33 of 51 states and DC. Most records: North Carolina, Alabama, Virginia, Georgia, Florida, South Carolina, Tennessee, Maryland.
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
What plants does Prionus imbricornis damage?
Its larvae damage apple, blueberry, and pecan crops.
Source: Wikipedia
Where is Prionus imbricornis found in the United States?
It occurs from New York west to Kansas and Texas.
Source: Wikipedia
Same family (Cerambycidae)
House LonghornHylotrupes bajulusCan damage your home
Asian Longhorned BeetleAnoplophora glabripennisDamages trees, gardens or crops
Red Milkweed BeetleTetraopes tetrophthalmus
White-spotted SawyerMonochamus scutellatusCan damage your home
Red Pine Longhorn BeetleStictoleptura rubra
Spotted Longhorn BeetleRutpela maculataDamages trees, gardens or cropsSources
- Wikipedia: https://en.wikipedia.org/wiki/Prionus_imbricornis
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.