806 Van Duzee: Catalogue of Heniiptera [2917- 



2917. Psyllia maculata (Ciawf.) 

 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: Out., Mich., Calif. 



2919. PsyUia coryli (Patch) 

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

 CraAvford, U. S. Natl. Mus., Bui. 85, p. 143, 1914, PsyJki. 



Host : Corylus ( ?) . 



Locality : Colo. 



2920. PsyUia minuta (Crawf.) 

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

 Host : Purshia. 

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



2921. PsyUia alba (Crawf.) 

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

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

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

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

 ScliAvarz, Can. Ent., xxiii, p. 231, 1891, PsyUa. 



RileyC'O, Insect Life, iv, pp. 127, 225, 1891, PsyUa (transl. of Low, 1886). 

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



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, PsyUa (bibliography). 

 Marlatt, Insect Life, vii, p. 175, 1894, P.syUa. 

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

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

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



Patch, Me. Agr. Exp. Sta., Bui. 187, p. 11, 1911 ; Bui. 202, p. 221, 1912, PsyUa. 

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

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

 ■^ipyri Curtis, Brit. Ent., xii, pi. 565, 1836, P.si/Z/rt. 



Curtis, Gardner 's dironicle for 1840, p. 156, P.sylla. 



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



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



Uhler, U. S. Comni. Patents, Eept. for 1860, p. 314, 1861, PsyUa. 



Harris, Treat. Ins. In.j. Vog., edn. 3, p. 231, 1862, P.sylla. 



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



