Lobed Plume Moth
Dejongia lobidactylus · Order: Lepidoptera · Family: Pterophoridae
The lobed plume moth has a wingspan of about 0.7 to 0.8 inches (17 to 20 mm). Adults appear from June through August and have dark cinnamon-brown forewings with a greyish-brown head marked by a white line over each eye. It lives in the northeastern United States and central Canada, where its larvae feed on the terminal buds of goldenrod (Solidago) species.
Source: Wikipedia
How to recognize it
The forewings are a dark cinnamon brown.
Source: Wikipedia
Size
The wingspan ranges from 17 to 20 mm (about 0.67 to 0.79 in).
Source: Wikipedia
What it eats
Larvae feed on the terminal buds of Solidago (goldenrod) species.
Source: Wikipedia
Life cycle
Adults are on the wing from June to August.
Source: Wikipedia
When you see it
The moth is active during the summer months, specifically June through August.
Source: Wikipedia
Where it is found in the US
Recorded in 18 of 51 states and DC. Most records: Massachusetts, Vermont, New York, Connecticut, New Hampshire, Maine, Minnesota, Michigan.
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




Questions people ask
What do the larvae eat?
They feed on the terminal buds of goldenrod (Solidago) plants.
Source: Wikipedia
Same family (Pterophoridae)
Morning-glory Plume MothEmmelina monodactyla
White Plume MothPterophorus pentadactylaDamages trees, gardens or crops
Yarrow Plume MothGillmeria pallidactylaDamages trees, gardens or crops
Belfrage's Plume MothPselnophorus belfragei
Sage Plume MothAnstenoptilia marmarodactylaSources
- Wikipedia: https://en.wikipedia.org/wiki/Dejongia_lobidactylus
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-25 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-25.