-2941] Chermidae 811 



Burmeister, Hand. d. Ent., ii, p. 98, 1835, PsyUa. 



Forster, A^erh. Natw. Ver. Prouss. Rheiiil., v, p. 70, 1848, Psylla. 



Walker, List Homop., iv, p. 912, 1852, PsyUa (bibliography). 



Flor, Rhyn. Livl., ii, p. 460, 18(n, PsyUa. 



Scott, Trans. Ent. Sot-. Load, for 1876, p. .JH2, P.sylla. 



L^6^\■, Vorh. Zool.-Bot. Ges. Wicn, xxvi, pi. 2, figs. 26, .32-35, 1876, PsyUa. 



Low, Verh. Zool.-Bot. Ges. Wien, xxxviii, p. 17, 1888, PsyUa (note). 



Edwards, Hemii). Homop. Brit. Isds., p. 248, pi. 27. fig. 4, 1896, PsylUi. 



Aulmann, Psyllid. Cat., p. 9, 1913, PsyUa. 



Crawford, U. S. Natl. Mus., Bui. 85, p. 160, pi. 27, fig. 476, 1914, PsyUa. 



fuscincrvis Forster, Vei-h. Natw. Ver. Preuss. Rlieinl., v, [). 70, 1848, PsyUa. 

 Meyer-Diir, Mitth. Schw. Ent. Ges., iii, p. 395, 1871, PsyUa. 



hcydeni For.ster, Verh. Natw. Ver. Preuss. Rhein)., v, p. 81, 1848, PsyUa. 

 Meyer-Diir, Mittli. Schw. Ent. Ges., iii, p. 395, 1871, PsyUa. 



. var. americana (Crawf.) 



Crawford, U. S. Natl. Mus., Bui. 85, p. 156, 1914, PsyUa (figures). 

 Host: Alnus. 

 Localities: "Am. Sept." (Linnaeus), Nev., Calif. (Europe.) 



29401/;. Psyllia buxi (Linn.) 

 Linnaeus, Syst. Nat., edn. 10, i, p. 454, 1758, Chcnncs. 



Geoffrey, Hist. Abreg. des Ins., i, p. 485, No. 2, 1762, PsyUa (without name). 

 Linnaeus, Syst. Nat., edn. 12, ii, p. 738, 1767, Chcnncs. 

 Fabrieius, Syst. Ent., j). 740, 1775, Chcrmcs. 

 Goeze, Ent. Beytr., ii, p. 322, 1778, Chcrmcs. 

 Fabrieius, Spec. Ins., ii, p. 391, 1781, C]iermes. 

 Fourcroy, Ent. Paris., i, p. 223, 1785, PsyUa. 

 Fabrieius, Mant. Ins., ii, p. 317, 1787, Chcrmcs. 



Gmelin in Linnaeus, Syst. Nat., edn. 13, i, pt. 4, p. 2212, 1788, Chcrmcs. 

 Fabrieius, Ent. Syst., iv, p. 221, 1794, Chcrmcs. 

 Fabrieius, Syst. Rhyng., p. 304, 1803, Chcrmcs. 

 Blanchard, Hist. des. Ins., Hemip., p. 210, 1840, Chcrmcs. 

 Forster, Verh. Natw. Ver. Preuss. Rheinl., v, p. 71, 1848, PsyUa. 

 Walker, List Homop., iv, p. 913, 1852, PsyUa. 

 Westwood, GardiHM' 's fTiioiiicle for 1852, p. 517, Chcrmcs. 

 Meyer-Diir, Mitth. Sdiw. Kut. Cos., iii, p. :!99, 1871, PsyUa. 

 Scott, Trans. Ent. Soe. Lond. for 1876, p. 534, PsyUa. 

 Scott, Ent. Mo. Mag., xvii, p. 18, 1880, PsyUa. 

 Liiw, Verh. Zool.-Bot. Ges. Wien, xxxi, p. 169, 1881, PsyUa. 

 Smith, Cat. Ins. N. J., edn. 3, p. 109, 1910, PsyUa. 

 Riley in Packard, 5tli Rept. U. S. Ent. Comm., p. 672, 1890, PsyUa. 

 Edwards, Hemip. Homop. Brit. Isds., p. 249, pi. 28, fig. 7, 1896, PsyUa. 

 Weiss, Ent. News, xxviii, ]>. 9t), 1917 (occurrence). 



Host : Buxus. 



Localities: N. J., D. C. (Europe.) 



2941. PsyUia caudata (Crawf.) 

 Crawfdrd, V. S. N;ill. Mus., Bui. S5, p. 157, 1914, PsyUa (figures). 

 Host: Alnus. 

 Locality : Colo. 



