Bucculatrix diffusella is a moth in the family Bucculatricidae. It was described by Herbert Menhofer in 1943. It is found in south-western France.Fauna EuropaeaMENHOFER, H. (1943): Bericht über lepidopterologische Aufsammlungen an der französischen Atlantik-Küste. — Zeitschrift der Wiener Entomologischen Gesellschaft 28: 231-240
The larvae feed on Artemisia maritima. They mine the leaves of their host plant. Young larvae are honey yellow with a brown head. The older larvae are yellowish olive green with a brown head.
References
Natural History Museum Lepidoptera generic names catalog