Nye (1975) stated:-
Placed on the 0fficial List of Generic Names in Zoology: Name NO. 1234. Under the Plenary Powers all designations of type-species for Episema made prior to Opinion 494, in 1957, were set aside, including -
(1) Phalaena caeruleocephala Linnaeus, 1718, Pantheinae, cited by Duponchel, 1829, in Godart & Duponchel, Hist. nat. Lepid. Papillons Fr. 7 (2): 71. The genus Diloba Boisduval, 1840, is now used for this concept.
(2) Noctua cincta Fabricius, 1787, an unjustified emendation of Noctua i-cinctum [Denis & Schiffermüller], 1775, - Hadeninae, cited by Duponchel, 1845, in d'Orbigny, Dict. univl Hist. nat. 5: 367. The genus Perigrapha Lederer, 1857, is now used for this concept.
(3) Bombyx trimacula [Denis & Schiffermüller], 1775, - Cuculliinae cited by Guenée, 1852, in Boisduval & Guenée, Hist. nat. lnsectes (Lepid.) 5: 174. B. trimacula is a junior subjective synonym of Noctua tersa [Denis & Schiffermüller], 1775, and is congeneric with B. glaucina, the type-species of Episema Ochsenheimer.
Watson, Fletcher & Nye (1980) stated:-
Further information in Nye, 1975, Generic Names Moths World 1: 181. [Given above].
Poole (1989) included ORTHOGRAMMA R.L. 1817 (as ORTHOGORAMMA on page 740); CLEOCERIS Boisduval, 1836; DERTHISA Walker, 1857; and CLADOCERA Rambur, 1858 as junior synonyms of EPISEMA Ochsenheimer, 1816.
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