Stigmella braunella is a moth of the family Nepticulidae which is endemic to California. The species was first described by W. W. Jones in 1933.[1] [2]
The wingspan is 5.4-. There are two generations per year with late-instar larvae being encountered throughout the year.
The larvae, commonly called the Catalina Cherry Leaf Miner, feed on Prunus ilicifolia. They mine the leaves of their host plant.