Bug FAQLycomorpha grotei
Lycomorpha grotei · Order: Lepidoptera · Family: Erebidae
The forewings measure about 13 to 15 mm long (0.5 to 0.6 in). Adults fly from June through August and there is one generation each year.
Source: Wikipedia
Size
The forewing length is between 13 and 15 mm.
Source: Wikipedia
Life cycle
Adults are on the wing from June to August and the species has one generation per year.
Source: Wikipedia
Where it is found in the US
Recorded in 12 of 51 states and DC. Most records: Utah, Colorado, New Mexico, Arizona, Wyoming, Montana, South Dakota, California.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in United States. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Same family (Erebidae)
Spongy MothLymantria disparDamages trees, gardens or crops
Fall Webworm MothHyphantria cuneaDamages trees, gardens or crops
Brown-tail MothEuproctis chrysorrhoeaCan irritate skin
Isabella Tiger MothPyrrharctia isabella
Virginian Tiger MothSpilosoma virginicaCan irritate skin
Salt Marsh MothEstigmene acreaDamages trees, gardens or cropsSources
- Wikipedia: https://en.wikipedia.org/wiki/Lycomorpha_grotei
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-24 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-24.