Bug FAQLeach's Grass-veneer
Crambus leachellus · Order: Lepidoptera · Family: Crambidae
Also called: Leach's Grass-veneer Moth
Leach's grass-veneer is a small moth with a wingspan of about 25 to 27 mm. It lives in North American grasslands and meadows, where its larvae feed on grasses.
Source: Wikipedia
How to recognize it
Crambus leachellus, known as Leach's grass-veneer, belongs to the moth family Crambidae.
Source: Wikipedia
Size
The adult’s wingspan measures roughly 25 to 27 mm.
Source: Wikipedia
Where it lives
It inhabits grasslands and meadow environments.
Source: Wikipedia
What it eats
The caterpillars feed on various grasses.
Source: Wikipedia
Life cycle
Adults are active from May through September, producing two to four generations each year.
Source: Wikipedia
When you see it
You can see them flying between May and September, with several broods per season.
Source: Wikipedia
Where it comes from
It is found across North America, from Ontario and Maryland down to Florida and westward to California and Oregon.
Source: Wikipedia
Where it is found in the US
Recorded in 41 of 51 states and DC. Most records: Oregon, Michigan, Kansas, North Carolina, Colorado, Texas, Massachusetts, New Jersey.
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
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/Crambus_leachellus
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-24 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-24.