Fletcher & Nye (1984) stated:-
Pyralis dilutella Hübner sensu Treitschke, 1832, in Ochsenheimer, Schmett. Eur. 9(1): 164, was a misidentification; the first available name for the misidentified species is Phycis cinnamomella Duponchel, 1836.
Hampson designated Phycis cinnamomella as type-species (but cited it as cinnamomella Zeller, an incorrect authorship), a nominal time, on page 220, Hampson placed cinnamomella as a senior synonym of Pyralis dilutella Hübner sensu Treitschke, a nominal species originally included in Ancylosis. Under the Code, Article 69(a)(iv), this designation constitutes the fixation of the originally included nominal species as type-species. Under the Code, Article 70(a), the case of a misidentified type-species should be referred to the Commission. We suggest that the Commission be asked to designate as the type-species of Ancylosis the nominal species actually involved, namely Phycis cinnanomella Duponchel, 1836. Incorrect type-species designation. Phycis cinnamomella Duponchel, 1836, a nominal species not actually involved, namely Phycis cinnamomella Duponchel, 1836.
Incorrect type-species designation. Phycis cinnamomella Duponchel, 1836, a nominal species not originally included in Ancylosis and not linked with one of the originally included nominal species when designated by Hampson, 1896, Fauna Br. India (Moths): 71.
Ancylosis was established as a subgenus of Epischnia Hübner, .
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