Glyphipterix thrasonella is a species of moth of the family Glyphipterigidae. It is found in the western part of the Palaearctic realm.
The wingspan is 11–15 mm.The forewings are shining bronzy, sometimes coppery-tinged; six obscure golden metallic transverse streaks from costa between 1/3 and apex, and one or two from dorsum posteriorly, all sometimes obsolete; a violet -black mark on tornus, enclosing two or three golden metallic dots, and a similar dot above it; sometimes two or three fine black dashes above this; a blackish apical spot; dark line of cilia indented below apex. Hindwings are dark fuscous.[1]
Adults are on wing from May to August.
The larvae probably feed on Juncus species.