"Dasineura" sp.
Purse-gall midge
Hosts: Quercus chrysolepis, vacciniifolia
This midge induces rounded, succulent, swollen, monothalamous-polythalamous, smooth-edged fold galls on the underside and along the margins of leaves of canyon live and huckleberry oaks.
Range: central Sierra Nevada, CA
”- Russo, Ronald A. : (2021) Plant Galls of the Western United States©