40 



For general acconnt see Pergande, Bui. 44, Div. Ent., U. S. Dept. Agrir., pp. l.S-21, 

 1904. 

 Exhibit: Figure. 



THE ENGLISH GRAIN-APHIS. 



Macroshpliuhi (jrauaria Buck. 



(Formerly Nectaropliora and Aphis. Attacks green foxtail, meadow, and orchard 

 grass, oats, red-clover, red top, rye, wheat, and wild rye.) 



For general account see Pergande, Bui. 44, Div. Ent., U. S. Dept. Agric., jijx lS-18, 

 1904. 



Exhibit: Figure and work; parasite, Lysiphlebus testaceipes Cress, (figure); and 

 enemies, Anatis 15-punctata 01.; Coccinella sanguined JJnn.; Hippodamia pdrmthesh 

 Say; Podahrns tnmentosus Say; Sphxrophoria cyUndrlca Sav; Sttr])]tvs nuievicdniis 

 Wied. 



THE EUROPEAN GRAIN-APHIS. 



Siphocoryne areiur FaV). 



( Formerly Nectaropliora and Aphis. Attacks apple, burdock, celery, cnoKe-clierry, 

 dogwood, grasses, oats, rye, Avheat, and other plants.) 



For general account see Pergande, Bui. 44, Div. Ent., U. S. Dept. Agric, pp. 5-13, 

 1904. 



Exhibit: Figure. 



THE CHINCH BUG. 



Blissus leucoptcrus Say. 



(Injures cane, corn, oats, rye, wheat, etc.) 



For bibliograi)hy, 1785-1888, see Forbes, App. to 16th Kept. St. Ent. 111., pp. 1-102. 

 1894. For general articles see Forbes, 16th Kept. St. Ent. 111., \)\). 1-57, 1894; 

 Webster, Bui. 15, n. s., Div. Ent., U. S. Dept. Agric, 82 pp., 1898. 



Exhibit: Eggs, nymph, adult, and figure. 



THE GRAIN LSJAF-HOPPER. 



DiedrocepJta lus fla ricej>s K i 1 ey . 



For account of T). moUijies see Osborn & Ball, Bui. 34, Iowa Agric Expt. Sta., p. 

 (U4, 1897. 



Exhibit: Adult. 



THE DESTRUCTIVE LEAF-HOPPER. 



Cicadula e.vitiosa Uhl. 



For general account seeOomstock, Rpt. U. S. Comm. Agric, 1879, pp. 191-193, 1880. 

 Exhibit: Adult. 



THE WHEAT SAWFLY. 



Dolerns arrensis Say. 



For general account see Riley and Marlatt, Insect Life, Vol. IV, pp. 171-172, 1891. 

 Exhibit: Adult and figure. 



THE GRASS SAWFLY. 



Pachi/riematns extnisicnrii is Nort. 



(Formerly Nemata.'i marijlandicus.) 



For article under N. inarylandicus see Rilev and INIarlatt, Insect Life, Vol. IV, jip. 

 174-177, 1891. 



Exhibit: A<lult and figure. 



THE WESTERN GRAIN SAWFLY. 



:ephus occideiitalis Marl. 



For short article see Riley and Howard, Insect Life, Yo\. II, p. 286, 1890. 

 Exhibit: Adult, work, and figure. 



