Tinissa conchata is a moth of the Tineidae family. It is found in China (Fujian, Guangdong and Guangxi). The wingspan is 16−20 mm for males and about 22 mm for females. The forewings have a yellowish white to yellowish brown ground color, with a bluish violet sheen and scattered inconspicuous, transverse, fine grayish brown striae. The hindwings are pale grayish brown, shining bluish violet.