Bug FAQChoristostigma elegantalis
Choristostigma elegantalis · Order: Lepidoptera · Family: Crambidae
The adult moth has forewings 9 to 11.5 mm long and is pale yellow with tawny markings, including a tawny-suffused costa on the basal half and brown first and second lines. It flies from April through September and has been recorded in Arizona, California and Washington in North America.
Source: Wikipedia
How to recognize it
Forewings are pale yellow with tawny markings and a tawny-suffused costa on the basal half. Both the first and second transverse lines on the forewings are brown.
Source: Wikipedia
Size
Forewing length ranges from 9 to 11.5 mm.
Source: Wikipedia
Where it lives
It has been recorded in the U.S. states of Arizona, California and Washington.
Source: Wikipedia
When you see it
Adults are on the wing from April to September.
Source: Wikipedia
Where it comes from
The species occurs in North America, specifically in Arizona, California and Washington.
Source: Wikipedia
Where it is found in the US
Recorded in 6 of 51 states and DC. Most records: California, Colorado, Oregon, Arizona, New Mexico, Montana.
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
When are adult Choristostigma elegantalis moths active?
Adults have been recorded flying from April through September.
Source: Wikipedia
Where might I find this moth in the United States?
It has been observed in Arizona, California and Washington.
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/Choristostigma_elegantalis
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.