Kessleria petrobiella is a moth of the family Yponomeutidae. It is found in Austria, Slovenia and Italy.
The length of the forewings is 6.3–8 mm for males and 6.4–7.8 mm for females. Adults are on wing from the end of May to the beginning of August.Huemer, P. & G. Tarmann (1991): Westpaläarktische Gespinstmotten der Gattung Kessleria Nowicki: Taxonomie, Ökologie, Verbreitung. — Mitteilungen der Münchner Entomologischen Gesellschaft 81: 5–110
The larvae feed on Saxifraga caesia.
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