The pecan serpentine leafminer (Stigmella juglandifoliella) is a moth of the family Nepticulidae. It is found in Ohio, Pennsylvania and Kentucky in the United States.
The wingspan is 3.5-3.8 mm. There are probably two generations per year.
The larvae feed on Carya illinoinensis (pecan). They mine the leaves of their host plant.
Common name: Pecan serpentine leafminer.