806 Van Duzee: Catalogue of Hemiptera [2917- 



2917. Psyllia maculata (Crawf.) 

 Crawford, U. S. Natl. Mus., Bui. 85, p. 141, 1914, Psylla (figures). 

 Host: (?) 

 Locality : Colo. 



2918. PsyUia breviata (Patch) 

 Patch, Me. Agr. Exp. Sta., Bui. 202, p. 220, 1912, Psylla (figures). 

 Crawford, U. S. Natl. Mus., Bui. 85, p. 141, fig. 133, 1914, Psylla. 



Host : Pinus. 



Localities: Ont., Mich., Calif. 



2919. Psyllia coryli (Patch) 

 Patch, Me. Agr. Exp. Sta., Bui. 202, p. 223, 1912, Psylla (figures). 

 Crawford, U. S. Natl. Mus., Bui. 85, p. 143, 1914, Psylla. 



Host: Corylus(?). 



Locality : Colo. 



2920. PsyUia minuta (Crawf.) 

 Crawford, U. S. Natl. Mus., Bui. 85, p. 142, 1914, Psylla (figures). 

 Host : Purshia. 

 Localities: Utah, Ariz., Nev., Calif. 



2921. PsyUia alba (Crawf.) 

 Crawford, U. S. Natl. Mus., Bui. 85, p. 143, 1914, Psylla (figures). 

 Host: Salix. 

 Localities: Texas, N. Mex., Nev., Calif. 



2922. PsyUia pyricola (Forst.) 

 Forster, Verh. Natw. Ver. Preuss. Eheinl., v, p. 77, 1848, Psylla. 

 Meyer-Diir, Mitth. Schw. Ent. Ges., iii, p. 396, 1871, Psylla. 

 Scott, Ent. Mo. Mag., xix, p. 205, 1883, Psylla. 

 Eiley, Proc. Biol. Soc. Wash., ii, p. 69, 1884, Psylla. 

 Low, Verh. Zool.-Bot. Ges. Wien, xxxvi, p. 156, 1886, Psylla. 

 Schwarz, Can. Ent., xxiii, p. 231, 1891, Psylla. 



Eiley (?), Insect Life, iv, pp. 127, 225, 1891, Psylla (transl. of Low, 1886). 

 Slingerland, Lisect Life, v, p. 100, 1892, Psylla. 



Slingerland, Cornell Agr. Exp. Sta., Bui. 44, 1892; Bui. 108, 1896, Psylla. 

 Eiley and Howard, Insect Life, v, pp. 200, 226, 1893, Psylla. 

 Lintner, 9th Eept. N. Y. St. Ent., p. 317, 1893, Psylla (bibliography). 

 Marlatt, Insect Life, vii, p. 175, 1894, Psylla. 

 Marlatt, U. S. Dept. Agr., Bur. Ent., Circ. 7, 1895, Psylla. 

 Edwards, Hemip. Homop. Brit. Isds., p. 240, pi. 27, fig. 2, 1896, Psylla. 

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



Patch, Me. Agi-. Exp. Sta., Bui. 187, p. 11, 1911; Bui. 202, p. 221, 1912, Psylla. 

 Crawford, U. S. Natl. Mus., Bui. 85, p. 144, 1914, Psylla (figures). 

 Essig, Inj. Benef. Ins. Calif., edn. 2, p. 67, 1915, Psylla. 

 ■\pyri Curtis, Brit. Ent., xii, pi. 565, 1836, Psylla. 



Curtis, Gardner's Chronicle for 1840, p. 156, Psylla. 



Harris, Treat. Ins. Inj. Veg., edn. 2, p. 201, 1852, Psylla. 



Fitch, Trans. N. Y. St. Agr. Soc, xvi, p. 353, 1856, Psylla. 



Uhler, U. S. Comm. Patents, Eept. for 1860, p. 314, 1861, Psylla. 



Harris, Treat. Ins. Inj. Veg., edn. 3, p. 231, 1862, Psylla. 



Packard, Guide to Study of Ins., p. 531, 1869, Psylla. 



