Stilbosis tesquella is a moth in the family Cosmopterigidae. It was described by James Brackenridge Clemens in 1860. It is found in North America, where it has been recorded from Arkansas, Colorado, Illinois, Indiana, Iowa, Kansas, Kentucky, Maine, Maryland, Michigan, Minnesota, New Jersey, New York, North Carolina, Ohio, Quebec, Tennessee and West Virginia.[1] [2]
The wingspan is 4–6 mm.[3] Adults have been recorded on wing from May to September.
The larvae feed on Amphicarpa bracteata and Lespedeza species.