Bug FAQPsaphida grotei
Psaphida grotei · Order: Lepidoptera · Family: Noctuidae
The adult moth has a wingspan of roughly 35 mm. It lives in the eastern part of North America, including places like Ontario, Tennessee, New York and Maryland. Adults are active in the spring, from April through May, and the caterpillars feed on ash (Fraxinus) species.
Source: Wikipedia
Size
Wingspan is about 35 mm.
Source: Wikipedia
Where it lives
Found in eastern North America, such as Ontario, Tennessee, New York and Maryland.
Source: Wikipedia
What it eats
Larvae feed on ash trees (Fraxinus species).
Source: Wikipedia
When you see it
Adults are on the wing from April to May.
Source: Wikipedia
Where it is found in the US
Recorded in 40 of 51 states and DC. Most records: Texas, Connecticut, New York, Vermont, North Carolina, Massachusetts, Michigan, Mississippi.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Months it is reported in the US
Source: GBIF
Questions people ask
When are adult Psaphida grotei moths active?
Adults fly in the spring, typically from April through May.
Source: Wikipedia
What do the caterpillars of Psaphida grotei eat?
The larvae feed on ash trees, specifically Fraxinus species.
Source: Wikipedia
Same family (Noctuidae)
Ipsilon Dart MothAgrotis ipsilonDamages trees, gardens or crops
Fall Armyworm MothSpodoptera frugiperdaDamages trees, gardens or crops
Army Cutworm MothEuxoa auxiliarisDamages trees, gardens or crops
Large Yellow UnderwingNoctua pronubaDamages trees, gardens or crops
Silver ΥAutographa gamma
American DaggerAcronicta americanaCan irritate skinSources
- Wikipedia: https://en.wikipedia.org/wiki/Copivaleria
Look it up elsewhere: GBIF · BugGuide · ITIS · Wikipedia
Text written 2026-10-23 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-23.