He named 301 new genera of butterflies and moths, mostly
pyralid moths.[2]
He is also the author of several books:
Diagnoses of North American Phycitidae and Galleriidae (1887) published in
Paris
(in French) Nouveaux genres et espèces de Phycitidae & Galleriidae (1888)
(in French) Essai sur une classification des Pyralites (1891-1892)
(in French) Monographie des Phycitinae et des Galleriinae. pp. 1–602 In
N.M. Romanoff. Mémoires sur les Lépidoptères. Tome VIII. N.M. Romanoff, Saint-Petersbourg. xli + 602 pp. (1901)