Bug FAQArgyractis drumalis
Argyractis drumalis · Order: Lepidoptera · Family: Crambidae
The forewings are about five millimetres long. It lives in North America, especially Florida, and its larvae live in water where they eat the roots of water lettuce and water lilies. Adults can be seen flying from February through November.
Source: Wikipedia
Size
Forewing length is roughly five millimetres.
Source: Wikipedia
Where it lives
It has been recorded in Florida, North America. The species lives in aquatic environments.
Source: Wikipedia
What it eats
Larvae feed on the roots of water lettuce (Pistia stratiotes) and water lilies (Nymphaea species).
Source: Wikipedia
When you see it
Adults have been observed on the wing from February to November.
Source: Wikipedia
Where it comes from
It is native to North America.
Source: Wikipedia
Where it is found in the US
Recorded in 1 of 51 states and DC. Most records: Florida.
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 Argyractis drumalis active?
Adults are on the wing from February through November.
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/Argyractis_drumalis
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-29 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-29.