806 Van Duzee: Catalogue of Hemiptera 



2917. Psyllia maculata (Crawf.) 



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

 Host: (?) 

 Locality : Colo. 



2918. Psyllia 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(f). 



Locality : Colo. 



2920. Psyllia minuta (Crawf.) 



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

 Host : Purshia. 

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



2921. Psyllia alba (Crawf.) 



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

 Host: Salix. 

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



2922. Psyllia pyricola (Forst.) 



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

 Meyer-Dtir, 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. 



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

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



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

 Kiley 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. Agr. Exp. Sta., Bui. 187, p. 11, 1911; BuL 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, PsyUa. 

 \pyri Curtis, Brit. Ent., xii, pi. 565, 1836, PsyUa. 



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, PsyUa. 



Uhler, U. S. Comm. Patents, Bept. for 1860, p. 314, 1861, PsyUa. 



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



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



