Bug FAQCommon Grass Moth
Orocrambus vittellus · Order: Lepidoptera · Family: Crambidae
The Common Grass Moth has a wingspan of about 19 to 28 mm. It is native to New Zealand and lives in grassland areas. Adults are on the wing from November through April, and the larvae feed on grasses such as Agrostis tenuis.
Source: Wikipedia
How to recognize it
It is endemic to New Zealand.
Source: Wikipedia
Size
Wingspan ranges from 19 to 28 mm.
Source: Wikipedia
Where it lives
Prefers grassland habitats.
Source: Wikipedia
What it eats
Larvae feed on the grass Agrostis tenuis and probably other grasses.
Source: Wikipedia
Life cycle
Adults are recorded on wing from November to April.
Source: Wikipedia
When you see it
Adults are active from November through April.
Source: Wikipedia
Where it comes from
Endemic to New Zealand.
Source: Wikipedia
More photos
Questions people ask
Where are these moths found?
They are endemic to New Zealand and live in grassland habitats.
Source: Wikipedia
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/Orocrambus_vittellus
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-23 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-23.