Izatha convulsella is a moth of the family Oecophoridae. It was first described by Francis Walker in 1864. It is endemic to New Zealand and is found on the eastern side of the South Island as well as in locations such as Wellington, Ōtaki, Palmerston North, Taihape and Waipawa in the North Island.This species is similar in appearance to its close relative Izatha gekkonella but is slightly larger and more white/grey in appearance and is more wide spread in geographic range than its close relative. Larvae have been fond under the bark of Rimu trees but it has been hypothesised that they feed on lichens growing on the bark. Adults are on the wing from late September until February.

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