Minor Kieffer, 1901, André Hymén. Europe 7 (1): 570.
Minuta Zetterstedt, 1838, Ins. Lappon. 1: 410 (acc. D.T.93: 73).
Minuta Bassett, 1881, Canad. Ent. 13: 96.
Minutissima Ashmead, 1885, Trans. Amer. Ent. Soc. 12: VII.
Minutulus Giraud, by Kaltenbach, 1867, Verh. Ver. Rheinl. 24: 67 (acc. D.T.93: 44).
Minutus Kaltenbach, 1874, Pflanzenfeinde :672 (error for minutulus Giraud).
Mirabilis Kinsey, 1922, Ind. Univ. Study 53: 50.
Mista Kinsey. Present assignment.
Mitrata Kieffer, 1901, André Hymén. Europe 7 (1):538. For gall only in Mayr, 1870, Mitteleur. Eichen-gallen: 19, pi. 3 fig. 21c.
Modesta Osten Sacken, 1861, Proc. Ent. Soc. Phila. 1: 66.
Moniliatus Hartig, by Thomson, 1877, Opusc. Ent. 786.
Moreae Gräffe, 1905, Verh. zoo.-bot. Ges. Wien 55: 372.
Multiplicatus Giraud, by Kaltenbach, 1867, Verh. Ver. Rheinl. 24: 68 (acc. D.T.93: 92).
Multipunctata Beutenmüller. Present assignment.
Nebulosus Osten Sacken, 1861, Stettiner Ent. Zeit. 22: 415 (acc. D.T. 93: 107).
Nervosa Curtis, 1838, Brit. Ent. 15: 688.
Nervosus Giraud, by Kaltenbach, 1867, Verh. Ver. Rheinl. 24: 69 (acc. D.T.93: 57).
Nigra Gmelin, Linné syst. Nat. ed. 13, 1: 2653 (acc. D.T.93: 73). Gall only?
Nigra Fitch, 1859, 5th Rpt. Ins. N.Y.: 782.
Nigra Fourcroy, by D.T.93: 73.
Nigrae Osten Sacken, 1861, Proc. Ent. Soc. Phila. 1: 66.
Nigrescens Gillette, 1889, Psyche 5: 217.
Nigricens Gillette, 1889, Psyche 5: 217.
Nigricollis Fitch, by Osten Sacken, 1865, Proc. Ent. Soc. Phila. 4: 353, 379.
Nitida Giraud, by Schenck, 1865, Jahrb. Ver. Nassau, 17-18: 177, 185.
Nitidula Dalman, 1823, Anal. Ent.: 96 (acc. D.T.93: 10).
Nitidula Goureau, 1845, Ann. Soc. Ent. France 1845: 100.
Noduli Hartig, by Kaltenbach, 1867, Verh. Ver. Rheinl. 24: 60 (acc. D.T. 93: 102).
Nostra Kieffer, 1901, André Hymén. Europe 7 (1): 567.
Notha Osten Sacken, 1870, Trans. Amer. Ent. Soc. 2: 55.
Noxiosa Bassett, 1881, Canad. Ent. 13: 108.
Nubila Bassett, 1881, Canad. Ent. 13: 56.
Nubilipennis Harris, 1841, Ins. Mass. Inj. Veget.:398.
Numismalis Olivier, 1790, Enc. Méth. 5: 787 (acc. D.T.93: 44).
Obscura Dahlbom, 1842, Onychia och Callaspidia, suppl. page 4 no. 54.
Obtrectans Kinsey. Present assignment.
Obtusilobae Karsch, by D.T.93: 74.
Omnivora Ashmead, 1885, Trans. Amer. Ent. Soc. 12: VI.
Oneratus Harris, 1841, Ins. Mass. Inj. Veget.:398.
