Bug FAQHahncappsia pergilvalis
Hahncappsia pergilvalis · Order: Lepidoptera · Family: Crambidae
Hahncappsia pergilvalis is a small moth with a wingspan of 20 to 26 mm that lives in parts of North America and Mexico. Adults fly from May to September and the larvae may feed on corn.
Source: Wikipedia
How to recognize it
Hahncappsia pergilvalis belongs to the moth family Crambidae.
Source: Wikipedia
Size
Its wingspan ranges from about 20 to 26 millimeters.
Source: Wikipedia
Where it lives
It lives in North America, recorded in Ontario and the northeastern and southwestern United States. It is also found in Mexico, including the Federal District, Puebla and Jalisco.
Source: Wikipedia
What it eats
The caterpillars may feed on corn (Zea mays).
Source: Wikipedia
Life cycle
The species was first described by George Duryea Hulst in 1886.
Source: Wikipedia
When you see it
Adults are on the wing from May through September.
Source: Wikipedia
Where it comes from
In its native range it occurs in Canada’s Ontario and the northeastern and southwestern United States. It also occurs in Mexico’s Federal District, Puebla and Jalisco.
Source: Wikipedia
Where it is found in the US
Recorded in 19 of 51 states and DC. Most records: Arizona, New Mexico, Texas, Colorado, Massachusetts, Nebraska, South Dakota, Georgia.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; 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 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/Hahncappsia_pergilvalis
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-26 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-26.