Gnorimoschema baccharisella is a moth in the family Gelechiidae. It was described by August Busck in 1903. It is found in North America, where it has been recorded from California.
The length of the forewings is 6.2âÂÂ8.5 mm for males and 6.5âÂÂ9 mm for females. Adults are on wing from mid-July to late November.
The larvae feed on Baccharis pilularis, causing hard stem galls. Pupation takes place on the ground.