Bug FAQBrown-patched Evergestis
Evergestis subterminalis · Order: Lepidoptera · Family: Crambidae
The brown-patched Evergestis has a wingspan of about 30 mm and lives in montane meadows. Adults fly from July through October and are found from west central Alberta down to Colorado, Utah and California.
Source: Wikipedia
How to recognize it
Forewings are dark grey with black angled antemedian and postmedian lines. The middle of the forewing is washed with white scales. Between the postmedian and subterminal lines the wing shows a rust-red band, and the edge is grey. Hindwings are pale pink-ochre, marked by a dark postmedian line and a broader grey terminal band.
Source: Wikipedia
Size
The moth’s wingspan is roughly 30 mm.
Source: Wikipedia
Where it lives
It inhabits montane meadow environments.
Source: Wikipedia
When you see it
Adults are on the wing from July through October.
Source: Wikipedia
Where it is found in the US
Recorded in 10 of 51 states and DC. Most records: California, Montana, Colorado, Utah, Washington, New Mexico, Arizona, Idaho.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in Canada; native in United States. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Same family (Crambidae)
Box Tree MothCydalima perspectalisDamages trees, gardens or crops
Celery Leaftier MothUdea rubigalis
Elegant Grass-veneerMicrocrambus elegans
Hawaiian Beet Webworm MothSpoladea recurvalisDamages trees, gardens or crops
Garden Grass-veneerChrysoteuchia culmellaDamages trees, gardens or crops
Bluegrass Webworm MothParapediasia teterrellusDamages trees, gardens or cropsSources
- Wikipedia: https://en.wikipedia.org/wiki/Evergestis_subterminalis
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.