Bug FAQBlack-lined Carpenterworm Moth
Inguromorpha basalis · Order: Lepidoptera · Family: Cossidae
The black-lined carpenterworm moth has a wingspan of about 26 to 38 mm. Adults are seen from May through August.
Source: Wikipedia
How to recognize it
Its scientific name is Inguromorpha basalis, commonly called the black-lined carpenterworm moth.
Source: Wikipedia
Size
The wingspan ranges between 26 and 38 mm.
Source: Wikipedia
Where it lives
It is found in North America.
Source: Wikipedia
When you see it
Adults are on the wing from May to August.
Source: Wikipedia
Where it is found in the US
Recorded in 13 of 51 states and DC. Most records: Florida, Georgia, Mississippi, New Jersey, Alabama, South Carolina, Texas, Louisiana.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in United States. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
When are adult black-lined carpenterworm moths active?
Adults have been recorded from May through August.
Source: Wikipedia
How large is the black-lined carpenterworm moth?
Its wingspan is between 26 and 38 mm.
Source: Wikipedia
Same family (Cossidae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Inguromorpha_basalis
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-28 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-28.