Bug FAQDouble-lined Longhorn Beetle
Brachysomida bivittata · Order: Coleoptera · Family: Cerambycidae
The double-lined longhorn beetle measures about 7 to 11 mm in length. It occurs in Canada and in the U.S. state of Nebraska. It belongs to the Lepturinae subfamily of longhorn beetles.
Source: Wikipedia
How to recognize it
Brachysomida bivittata is a member of the Lepturinae subfamily within the longhorn beetle family.
Source: Wikipedia
Size
Adults are between 7 and 11 mm long.
Source: Wikipedia
Where it comes from
Its distribution includes Canada and Nebraska, United States.
Source: Wikipedia
Where it is found in the US
Recorded in 20 of 51 states and DC. Most records: South Carolina, Illinois, Vermont, Pennsylvania, Ohio, Wisconsin, Maryland, Kentucky.
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 is the double-lined longhorn beetle?
It measures about 7 to 11 mm in length.
Source: Wikipedia
Where is this beetle found?
It is known from Canada and Nebraska in the United States.
Source: Wikipedia
What family does it belong to?
It is part of the Lepturinae subfamily of longhorn beetles.
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 maculataSources
- Wikipedia: https://en.wikipedia.org/wiki/Brachysomida_bivittata
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.