Bug FAQTritoxa incurva
Tritoxa incurva · Order: Diptera · Family: Ulidiidae
These picture-winged flies are about 6 to 8 mm long and have a bold wing pattern with rusty-brown coloration in the east. They live in grassy meadows of the eastern United States and are seen from May through October.
Source: Wikipedia
How to recognize it
They show a bold wing pattern and a rusty-brown body, at least in eastern populations.
Source: Wikipedia
Size
Adults measure roughly 6 to 8 mm in length.
Source: Wikipedia
Where it lives
They are found in grassy meadow habitats.
Source: Wikipedia
Life cycle
Tritoxa incurva belongs to the picture-winged fly family Ulidiidae.
Source: Wikipedia
When you see it
They are active from May through October.
Source: Wikipedia
Where it comes from
Their range is the eastern United States.
Source: Wikipedia
Where it is found in the US
Recorded in 34 of 51 states and DC. Most records: Illinois, Texas, Ohio, Georgia, Alabama, North Carolina, Tennessee, South Carolina.
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
Same family (Ulidiidae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Tritoxa_incurva
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-25 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-25.