Bug FAQRecondite and Harlequin Webworm Moths
Diathrausta reconditalis · Order: Lepidoptera · Family: Crambidae
Also called: Recondite Webworm Moth
The Recondite and Harlequin Webworm Moth has a wingspan of about 18 mm. Its wings are dark brown to nearly black with a greenish sheen and display three white spots on each forewing. It occurs in North America, recorded from many U.S. states and Ontario, Canada.
Source: Wikipedia
How to recognize it
The wings are dark brown or almost black with greenish reflections. Each forewing bears three white spots.
Source: Wikipedia
Size
The moth’s wingspan measures roughly 18 mm.
Source: Wikipedia
Where it comes from
It is found in North America, with records from many U.S. states and Ontario.
Source: Wikipedia
Where it is found in the US
Recorded in 26 of 51 states and DC. Most records: Michigan, Connecticut, North Carolina, Pennsylvania, New Jersey, Mississippi, Maryland, Virginia.
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
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/Diathrausta_reconditalis
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.