Xanadoses is a monotypic moth genus in the family Cecidosidae. It contains a single species, Xanadoses nielseni, which is endemic to New Zealand and is found in the North and South Islands. X. nielseni is also known by the common name Kamahi bark scribbler. The larval host of this species is Pterophylla sylvicola, Pterophylla sylvicola, Nothofagus fusca, Myrsine salicina, and Quintinia serrata. The larvae mine the bark of the tree leaving "scribble" patterns in the bark.

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