On Quercus iilcifolia.
On poison ivy.
On Gaylussacia frondosa.
On Prunus serotina.
(Not sure if Parornix can be ruled out, but I have yet to encounter an upper surface Parornix on Prunus)
On Quercus ilicifolia.
On Gaylussacia baccata.
On poison ivy.
On poison ivy.
On Corylus.
On poison ivy.
On Ligustrum.
On Rhododendron viscosum.
On poison ivy.
Photo by Julia Blyth.
On Prunus serotina.