Oak Blotch Miner Moth
Common NameOak Blotch Miner Moth
Scientific NamePhyllonorycter messaniella
FamilyGracillariidae
SubfamilyGracillariinae
Wingspan (mm)7.5
Primary Colorsgolden-brown, tan, white
HabitatDeciduous woodlands, parks, gardens, urban areas
Geographic RangeEurope, North Africa, parts of Asia; introduced to North America (Pacific Northwest, California), New Zealand, Australia
Host PlantsOak (Quercus spp.), Beech (Fagus spp.), Chestnut (Castanea spp.), Hornbeam (Carpinus spp.)
Flight PeriodMay to September
Conservation Statusleast-concern
Lifecycle NotesLarvae are leaf miners, creating distinctive blotch mines on the underside of host plant leaves. Pupation occurs within the mine, and there are typically 2-3 generations per year.
Identification TipsKey features include its minute size, the golden-brown forewings with subtle white markings, and its characteristic resting posture with wings folded tightly. The presence of blotch mines on oak leaves is a strong indicator of its larval stage.
Description
A very small, slender moth with golden-brown or tan forewings, often subtly marked with white streaks and darker blotches. When at rest, its body is held somewhat elevated, and its long, slender antennae are prominent.
