Bug FAQDiastictis sperryorum
Diastictis sperryorum · Order: Lepidoptera · Family: Crambidae
The moth has a wingspan of about 22 to 25 mm. Its brown wings are covered with white dots. Adults are active from February through August and are found mainly in California, with records in New Mexico, Arizona, Oklahoma and Texas. It is a North-American species.
Source: Wikipedia
How to recognize it
The wings are brown with many white dots spread across them.
Source: Wikipedia
Size
The wingspan ranges from 22 to 25 mm.
Source: Wikipedia
Life cycle
Adults are active from February through August.
Source: Wikipedia
When you see it
Adults are on the wing from February to August.
Source: Wikipedia
Where it comes from
Diastictis sperryorum is found in North America.
Source: Wikipedia
Where it is found in the US
Recorded in 4 of 51 states and DC. Most records: Arizona, California, New Mexico, Texas.
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 can I see Diastictis sperryorum?
Adults are on the wing from February through August.
Source: Wikipedia
What does Diastictis sperryorum look like?
The moth has brown wings dotted all over with white spots.
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/Diastictis_sperryorum
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-27 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-27.