''Gnorimoschema baccharisella'' is a moth in the family Gelechiidae. It was described by

August Busck Augustus Busck (February 18, 1870 – March 7, 1944) was a Danish-American entomologist with the United States Department of Agriculture's Bureau of Entomology. He is best known for his work with microlepidoptera, of which he described over ...

in 1903. It is found in North America, where it has been recorded from California. The length of the forewings is 6.2–8.5 mm for males and 6.5–9 mm for females. Adults are on wing from mid-July to late November. The larvae feed on ''

Baccharis pilularis ''Baccharis pilularis'', called coyote brush (or bush), chaparral broom, and bush baccharis, is a shrub in the family Asteraceae native to California, Oregon, Washington, and Baja California. There are reports of isolated populations in New Mexi ...

'', causing hard stem galls. Pupation takes place on the ground.Holarctic Lepidoptera 8 (Suppl. 1): (1–53)
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References

Gnorimoschema Moths described in 1903 Gall-inducing insects Fauna of California {{Gnorimoschema-stub