Bug FAQHawaiian Beet Webworm Moth
Spoladea recurvalis · Order: Lepidoptera · Family: Crambidae
Also called: Beet Webworm Moth, Maize Moth
Source: Wikipedia
The Hawaiian beet webworm moth has a wingspan of about 22 to 24 mm. It is found worldwide, especially in tropical regions, and the adults are on the wing from May to September depending on location. Its larvae feed on several important crops, making it a potential agricultural pest.
Source: Wikipedia
Size
The moth’s wingspan measures between 22 and 24 mm.
Source: Wikipedia
Where it lives
It occurs worldwide, with a strong presence in tropical areas.
Source: Wikipedia
Life cycle
Adults are active from May through September, varying by location.
Source: Wikipedia
When you see it
The flight period spans May to September, depending on where they are found.
Source: Wikipedia
Where it comes from
Its distribution is worldwide, primarily in the tropics.
Source: Wikipedia
Where it is found in the US
Recorded in 44 of 51 states and DC. Most records: Texas, Florida, Virginia, North Carolina, Louisiana, Oklahoma, Massachusetts, Arizona.
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 the adults active?
Adults are on the wing from May to September, depending on the region.
Source: Wikipedia
Same family (Crambidae)
Box Tree MothCydalima perspectalisDamages trees, gardens or crops
Celery Leaftier MothUdea rubigalisDamages trees, gardens or crops
Elegant Grass-veneerMicrocrambus elegans
Garden Grass-veneerChrysoteuchia culmellaDamages trees, gardens or crops
Bluegrass Webworm MothParapediasia teterrellusDamages trees, gardens or crops
Lucerne MothNomophila nearcticaDamages trees, gardens or cropsSources
- Wikipedia: https://en.wikipedia.org/wiki/Spoladea_recurvalis
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-22 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-22.