Nye & Fletcher (1991) stated:-
When Gaede designation of type-Species Alucita sulphurella, Fabricius, 1775, Syst. Ent.: 670, a nominal species not originally included in Esperia he also, on page 20, placed orbonella, a nominal species originally included in Esperia, as a junior subjective synonym of sulphurella. Under the Code (Edn 3), Article 69(a)(iv), this designation constitutes the fixation of the originally included nominal species as the type-species.
Unavailable designation of type-species: Alucita sulphurella Fabricius, 1775, a nominal species not originally included in Esperia, and not linked in synonymy with one of the originally included nominal species when cited as type-species by Fletcher, 1929, Mem. Dep. Agric. India (Ent.) 11: 85
See also: Hermiona Blanchard, 1845; Stenoptera Duponchel, 1838.
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