Bug FAQScoparia palloralis
Scoparia palloralis · Order: Lepidoptera · Family: Crambidae
The forewings are 5 to 9 mm long and have a brown tint with faint spots. It lives in western North America, from British Columbia down to southern California and east to Colorado and western Texas.
Source: Wikipedia
How to recognize it
The forewings are tinged brown and show only faint spotting.
Source: Wikipedia
Size
Forewing length ranges from 5 to 9 mm.
Source: Wikipedia
Life cycle
Adults are active in spring and early summer in California and midsummer in Arizona.
Source: Wikipedia
When you see it
In California adults are on the wing from April through June. In Arizona adults appear from July to August.
Source: Wikipedia
Where it comes from
Its native range includes the same western North American region.
Source: Wikipedia
Where it is found in the US
Recorded in 6 of 51 states and DC. Most records: California, Texas, Arizona, Idaho, Montana, Colorado.
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
When are Scoparia palloralis moths active?
In California they fly from April to June, while in Arizona they are seen from July to August.
Source: Wikipedia
Where can I find Scoparia palloralis?
They occur in western North America, from British Columbia down to southern California and east to Colorado and western Texas.
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/Scoparia_palloralis
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.