Type(s) [AUSTRIA]: Vienna district, (? Depository).. (Collection destroyed, Horn & Kahle, 1936, Ent. Beih. Berl.-Dahlem 3: 243)
Nye (1975) stated:-
N. valligera is a junior subjective synonym of Phalaena vestigialis Hufnagel, 1766, Berlin. mag. 2: 422. Throughout the Vervzeichniss all the generic names were proposed in the plural and then used in the singular for the first binomen. This genus was proposed as * Agronomae and then used again in the plural for the first binomen. This clearly inadvertently or was later corrected in Hübner,  1816, Verz. bekannter Schmett. Anzeiger: 36.
Poole (1989) included AGRONOMA Hübner, 1821; GEORYX Hübner, 1821; SCOTIA Hübner, 1821; NOCTUA Boisduval, 1829; PSAMMOPHILA Stephens, 1850; ELEGARDA Walker, 1865; TETRAPYRGIA Wlaker, 1865; COMOPHORUS Alphéraky 1887; POROSAGROTIS Smith, 1890; LYCOPHORUS Staudinger, 1901; MESEMBREUXOA Hampson, 1903; NEOSEMA Rebel, 1907; POWELLINIA Oberthür, 1912; PSAMMOPHILA Stephens, 1850; and HERMONASSOIDES Strand, 1915 as junior synonyms of AGROTIS Ochsenheimer, 1816.
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