-2941] Chermidae 811 



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



Forster, Verb. Natw. Ver. Preuss. Rheinl, v, p. 70, 1848, Psylla. 



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



Flor, Ehyn. Livl., ii, p. 460, 1861, Psylla. 



Scott, Trans. Ent. Soc. Lond. for 1876, p. 532, Psylla. 



Low, Verb. Zool.-Bot. Ges. Wien, xxvi, pi. 2, figs. 26, 32-35, 1876, Psylla. 



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



Edwards, Hemip. Homop. Brit. Isds., p. 248, pi. 27, fig. 4, 1896, Psylla. 



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



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



fuscinervis Forster, Verh. Natw. Ver. Preuss. Rheinl., v, p. 70, 1848, Psylla. 

 Meyer-Dur, Mitth. Schw. Ent. Ges., iii, p. 395, 1871, Psylla. 



heydeni Forster, Verh. Natw. Ver. Preuss. Rheinl, v, p. 81, 1848, Psylla. 

 Meyer-Dur, Mitth. Schw. Ent. Ges., iii, p. 395, 1871, Psylla. 



a. var. americana (Crawf.) 



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

 Host : Alnus. 

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



2940^. Psyllia buxi (Linn.) 



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



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

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

 Fabricius, Syst. Ent., p. 740, 1775, Chermes. 

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

 Fabricius, Spec. Ins., ii, p. 391, 1781, Chermes. 

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

 Fabricius, Mant. Ins., ii, p. 317, 1787, Chermes. 



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

 Fabricius, Ent. Syst., iv, p. 221, 1794, Chermes. 

 Fabricius, Syst. Rhyng., p. 304, 1803, Chermes. 

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

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

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

 Westwood, Gardner's Chronicle for 1852, p. 517, Chermes. 

 Meyer-Dur, Mitth. Schw. Ent. Ges., iii, p. 399, 1871, Psylla. 

 Seott, Trans. Ent. Soc. Lond. for 1876, p. 534, Psylla. 

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

 Low, Verh. Zool.-Bot. Ges. Wien, xxxi, p. 169, 1881, Psylla. 

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

 Riley in Packard, 5th Rept. U. S. Ent. Comm., p. 672, 1890, Psylla. 

 Edwards, Hemip. Homop. Brit. Isds, p. 249, pi. 28, fig. 7, 1! 

 Weiss, Ent. News, xxviii, p. 96, 1917 (occurrence). 



Host : Buxus. 



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



2941. Psyllia caudata (Crawf.) 



Crawford, U. S. Natl. Mus, Bui. 85, p. 157, 1914, Psylla (figures). 

 Host: Alnus. 

 Locality: Colo. 



