Bug FAQStreaked Evergestis
Evergestis simulatilis · Order: Lepidoptera · Family: Crambidae
The streaked Evergestis has a wingspan of about 26 mm and its forewings show a mix of white and brown shading. Its hindwings are silvery-drab with a darker edge, and adults are seen flying from March through April and again from June to October. It occurs across many parts of North America, including provinces such as Alberta and British Columbia and states like Arizona, California, Colorado, Montana, Nevada and New Mexico.
Source: Wikipedia
Size
The wingspan measures roughly 26 mm.
Source: Wikipedia
Where it lives
It has been recorded in a range of North American locations, from Canadian provinces to southwestern US states.
Source: Wikipedia
When you see it
Adults are on the wing from March to April and again from June to October.
Source: Wikipedia
Where it comes from
The species is native to North America, with records from Alberta, British Columbia, Arizona, California, Colorado, Montana, Nevada and New Mexico.
Source: Wikipedia
Where it is found in the US
Recorded in 8 of 51 states and DC. Most records: Montana, New Mexico, Arizona, Wyoming, Colorado, Oregon, Texas, California.
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 streaked Evergestis moths active?
Adults fly from March through April and from June to October.
Source: Wikipedia
Where can I find streaked Evergestis?
It is found in many parts of North America, including Alberta, British Columbia, Arizona, California, Colorado, Montana, Nevada and New Mexico.
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_simulatilis
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.