Bug FAQSpotted Beet Webworm Moth
Hymenia perspectalis · Order: Lepidoptera · Family: Crambidae
Also called: spotted beet webworm
The spotted beet webworm moth has a wingspan of about 16 to 22 mm. Adults are active from April through November. It occurs in many regions worldwide, including much of North America and parts of Central and South America, Africa, Asia and Australia.
Source: Wikipedia
How to recognize it
Its scientific name is Hymenia perspectalis and it belongs to the Crambidae family.
Source: Wikipedia
Size
The moth’s wingspan ranges from 16 to 22 mm.
Source: Wikipedia
Where it lives
It is found across a wide range of habitats in North America, from Maine down to Florida and west to Texas, as well as in Michigan and Ontario.
Source: Wikipedia
When you see it
Adults can be seen flying from April through November.
Source: Wikipedia
Where it comes from
Its distribution includes the same regions listed for habitat in North America and several overseas locations.
Source: Wikipedia
Where it is found in the US
Recorded in 44 of 51 states and DC. Most records: Texas, Alabama, North Carolina, Illinois, Missouri, Oklahoma, Virginia, Florida.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in United States; native in Canada. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Same family (Crambidae)
Box Tree MothCydalima perspectalisDamages trees, gardens or crops
Celery Leaftier MothUdea rubigalisDamages trees, gardens or crops
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/Hymenia_perspectalis
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.