INSECTS INJURIOUS TO GRASS. 395 



scription, Most work as much if not more on other plants. 

 Some are very rare insects, and others, though common, seem 

 not to attract any general attention by their presence. 



Insects Injurious to Grass Crops. The insects which are 

 known to attack our grasses make even a more formidable list 

 than those injurious to the clovers. Eighty or more species 

 either depend wholly or in part upon our grasses for food. In 

 the following list Hy. after the name indicates that the insect 

 belongs to the order Hymenoptera; Lep., Lepidoptera; Dip., 

 Diptera; Col., Coleoptera; Horn., Homoptera; Hem., Hemep- 

 tera; Or., Orthoplera. 111. refers to 111. Entomological Reports ; 

 Mo. to Missouri Entomological Reports ; U. S. Reports, TJ. S.. 

 Commissioner of Agriculture ; Harr., Harris Injurious Insects; 

 Ont., Ontario Entomological Report; Pack., Packard's Guide- 

 to the Study of Insects; Streck., Strecker's Catalogue of Macro- 

 lepidoptera; Fitch, Fitch's N. Y. Reports: 



Acridium Americanum, Drury, Or., HI., Vol. IX., p. 129. Me., Vol. VIII.,. 

 p. 103, 111. 



Agonoderus, all of the species, Col. III., Vol. XII., p. 111. 



Agrotis c. nigrum, Linn, Lep., 111. Vol. VII., pp. 89, 202. Ibid. Vol. X., 

 p. 132. 



Agrotis fennica, Tausch, Lep., Rep. Mich. St. Board Ag. 1883, p. 423. 

 Ont. Vol. XV., 1884, pp. 13, 15, 21, 24. Mich. Hort. Rep. 1884, p. 81. 



Agrotis saucia, Hub., Lep., HI. Vol. VII., pp. 94, 211. Ibid, Vol. X., 

 p. 134. Mo. ; Vol. I., p. 74. U. S. 1884, p. 297, 111. Harr., p. 444. 



Agrotia tessellata. Harr., Lep., HI. Vol. VII., pp. 91, 206. Ibid, Vol. X. 

 p. 133. Harr., p. 445. Ont., Vol. X., p. 39. 



Amara, all the species, Col., HI. Vol. XII., p. 110. 



Anisodactylus, all the species, Col., El. Vol. XII., p. 111. 



Aphis Maidis, Fitch, Horn., Fitch, Vols. I. and II., p. 318. HI. Vol. 

 XIII., p. 46. 



Arctia (Leucarctia) acraea, Sm., Lep., Harr., p. 351. Pack., p. 286. 

 HI. Vol. VII., pp. 79, 183. Ibid., Vol. X., pp. 115, 170. Ibid, Vol. XI., p. 

 62. 



Arctia phalerata, Harr., Lep., Harr., p. 347. 111. VoL VII., p. 181. Ibid, 

 Vol. X., p. 115. 



