-2886] Chermidae 799 



2883. Hemitrioza sonchi Crawf. 



Eiley, Proc. Am. Assoc. Adv. Sci., xxxii, p. 319, 1884, Trioza (nomen nudum). 



Aulmann, Psyllid. Cat., p. 55, 1913 (nomen nudum). 



Crawford, U. S. Natl. Mus., Bui. 85, p. 104, fig. 402, 1914 (described). 



Host : Sonchus. 



Localities: D. C, Va., Ga. 



Subfamily PSYLLIINAE Van D. 



Van Duzee, Clieck List Hemip., p. 87, 1916 (n.n. for Psyllinae Put.). 

 Psyllaria Puton, Cat. Hemip. d'Eur. et Med., p. 91, 1875. 



Low, Verh. Zool.-Bot. Ges. "Wien, xxviii, pp. 605, 607, 1878, Psyllinae. 

 Edwards, Hemip. Homop. Brit. Isds., p. 233, 1896, Psyllidae. 

 Oshanin, Verz. Palae. Hemip., ii, p. 349, 1907, Psyllaria. 

 Oshanin, Kat. Palae. Hemip., p. 126, 1912, Psyllaria. (Tribe.) 

 Aulmann, Psyllid. Cat., p. 5, 1913, Psyllinae. 

 Crawford, U. S. Natl. Mus., Bui. 85, pp. 18, 105, 1914, Psyllinae. 



TRIBE PACHYPSTLLINI Crawf. 

 Crawford, U. S. Natl. Mus., Bui. 85, p. 106, 1914. 



Genus Crawfordiella Van D. 

 Orthotyi^e tnira Ci'awf. 

 Van Duzee, Check List Hemip., p. 87, 1916 (n.n. for Uhleria Crawf.). 

 \\Uhleria Crawford, U. S. Natl. Mus., Bui. 85, p. 106, 1914. 



2884. Crawf ordleUa mira (Crawf.) 

 Crawford, U. S. Natl. Mus., Bui. 85, p. 107, 1914, Uhleria (figures). 

 Van Duzee, Check List Hemip., p. 87, 1916. 



Host: (?) 



Locality: "U. S."(?). 



Genus Tetragonocephala Crawf. 

 Orthotype flava Crawf. 

 Crawford, V. S. Natl. Mus., Bui. 85, p. 107, 1914. 



2885. Tetragonocephala flava Crawf. 

 Crawford, U. S. Natl. Mus., Bui. 85, p. 108, 1914 (figures). 

 Host: (?) 

 Locality : Texas. 



Genus Pachypsylla Riley 



Logotype venusta (O.-S.) 

 Riley, Can. Ent., xv, p. 157, 1883 (described). 



Riley, Proc. Biol. Soc. Wash., ii, p. 71, 1884 (indicates venusta as typical). 

 Eiley in Packard, 5th Rept. U. S. Ent. Comm., p. 614, 1890 (monograph, 

 Crawford, U. S. Natl. Mus., Bui. 85, p. 108, 1914. [names venusta type). 



Subgenus PachypsyUa Riley 

 Van Duzee, Check List Hemip., p. 87, 1916. 



2886. PachypsyUa venusta (O.-S.) 

 Osten-Sacken, Stet. Ent. Zeit., xxii, p. 422, 1861, Psylla. 

 Riley, Can. Ent., xv, p. 157, fig. 6, 1883 (gall). 



Riley, Prgc. Biol. Soc. Wash., ii, p. 72, 1884 (redescribed). [PachypsyUa, seel) . 

 Riley in Packard, 5th Rept. U. S. Ent. Comm., p. 615, 1890 (as type of 



