Bug FAQBrown Longtail
Urbanus procne · Order: Lepidoptera · Family: Hesperiidae
The brown longtail has a wingspan of about 37 to 48 mm. It lives from Argentina through Central America and Mexico into southern Texas, with occasional stray sightings in southern New Mexico, Arizona and California. In southern Texas it produces three generations each year.
Source: Wikipedia
Size
Wingspan ranges from 37 to 48 mm.
Source: Wikipedia
Where it lives
Rare stray individuals are seen in southern New Mexico, Arizona and California.
Source: Wikipedia
What it eats
Larvae feed on various grasses such as Bermuda grass and wild sorghum.
Source: Wikipedia
Where it comes from
Occasional strays reach southern New Mexico, Arizona and California.
Source: Wikipedia
Where it is found in the US
Recorded in 2 of 51 states and DC. Most records: Texas, Arizona.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
How many generations does the brown longtail have each year in Texas?
It produces three generations per year in southern Texas.
Source: Wikipedia
What do the larvae of the brown longtail eat?
The caterpillars feed on grasses such as Bermuda grass and wild sorghum.
Source: Wikipedia
Same family (Hesperiidae)
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Sources
- Wikipedia: https://en.wikipedia.org/wiki/Spicauda_procne
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-24 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-23.