Bug FAQOak Leaftier Moth
Psilocorsis quercicella · Order: Lepidoptera · Family: Depressariidae
Also called: Oak Leaftier
Source: Wikipedia
Adults have a wingspan of about 14 mm. They are found in several U.S. states, including Florida, Maryland, Massachusetts and Oklahoma. The caterpillars feed on oak (Quercus) leaves and strip them down to the veins, harming the trees.
Source: Wikipedia
Size
The moth’s wingspan measures roughly 14 mm.
Source: Wikipedia
Where it lives
It occurs in the United States, with records from Florida, Maryland, Massachusetts and Oklahoma.
Source: Wikipedia
What it eats
Larvae feed on oak species (Quercus). They skeletonize the leaves of their host oak trees.
Source: Wikipedia
Where it comes from
Its range includes the United States, such as Florida, Maryland, Massachusetts and Oklahoma.
Source: Wikipedia
Where it is found in the US
Recorded in 31 of 51 states and DC. Most records: North Carolina, Massachusetts, Mississippi, Tennessee, Maryland, Connecticut, Oklahoma, Vermont.
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 oak leaftier moth larvae eat?
The larvae feed on oak (Quercus) leaves and strip them down to the veins.
Source: Wikipedia
Same family (Depressariidae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Psilocorsis_quercicella
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.