Bug FAQGray Evergestis
Evergestis vinctalis · Order: Lepidoptera · Family: Crambidae
The gray Evergestis moth has a wingspan of about 26 mm. Its forewings are pale olive-brown with bluish-grey shading, while the hindwings are pale smoky and a bit darker at the edges. Adults are on the wing from March through August.
Source: Wikipedia
How to recognize it
Forewings are pale olive brown with a bluish-grey shade. Hindwings are pale smoky and become slightly darker toward the outer edge.
Source: Wikipedia
Size
The wingspan measures roughly 26 mm.
Source: Wikipedia
Where it lives
It occurs in North America, recorded from provinces and states spanning from Alberta to Texas.
Source: Wikipedia
When you see it
Adults have been observed flying between March and August.
Source: Wikipedia
Where it is found in the US
Recorded in 8 of 51 states and DC. Most records: New Mexico, Montana, Texas, Colorado, Arizona, Wyoming, Kansas, North Dakota.
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
Questions people ask
When are gray Evergestis moths active?
Adults are on the wing from March through August.
Source: Wikipedia
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_vinctalis
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.