Bug FAQRice Stalk Borer Moth
Chilo plejadellus · Order: Lepidoptera · Family: Crambidae
The rice stalk borer moth has a wingspan of about 20 to 40 mm and a body length of roughly 25 to 40 mm. It occurs in North America, including several U.S. states such as Illinois, Pennsylvania, Georgia, Louisiana, Wisconsin, Texas and Arkansas, as well as Canadian provinces like Ontario and Quebec.
Source: Wikipedia
Size
Wingspan ranges from 20 to 40 mm. Body length is between 25 and 40 mm.
Source: Wikipedia
Where it comes from
Found in North America, including many U.S. states and Canadian provinces.
Source: Wikipedia
Where it is found in the US
Recorded in 22 of 51 states and DC. Most records: Minnesota, Maryland, New Jersey, Mississippi, Wisconsin, Massachusetts, Pennsylvania, Georgia.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in Canada; native in United States. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
How big is the rice stalk borer moth?
Its wingspan is about 20 to 40 mm and its length is roughly 25 to 40 mm.
Source: Wikipedia
Where is the rice stalk borer moth found?
It lives in North America, including several U.S. states such as Illinois, Pennsylvania, Georgia, Louisiana, Wisconsin, Texas and Arkansas, and Canadian provinces like Ontario and Quebec.
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/Chilo_plejadellus
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-26 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-26.