Bug FAQThree-spotted Kidney Moth
Nephrogramma separata · Order: Lepidoptera · Family: Crambidae
The three-spotted kidney moth has forewings that measure about 8 to 10 mm in length. It is found in the southwestern United States, specifically Arizona, New Mexico and Texas. Adults are active from July through September.
Source: Wikipedia
Size
Forewing length is 8 to 10 mm.
Source: Wikipedia
When you see it
Adults fly from July to September.
Source: Wikipedia
Where it comes from
Recorded from Arizona, New Mexico and Texas in North America.
Source: Wikipedia
Where it is found in the US
Recorded in 3 of 51 states and DC. Most records: Arizona, Texas, New Mexico.
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
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/Nephrogramma_separata
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-28 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-28.