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Thalamarchis
''The concealer moth genus invalidly named Thalamarchis by Meyrick in 1904 has been renamed '' Thalamarchella.

Thalamarchis is a genus of grass moths ( family Crambidae). It is monotypic, with a single species Thalamarchis chalchorma. It is known from Sangir in the Malay Archipelago.

The wingspan is about 16 mm.