INSECTS INJURIOUS TO GRASS. 399 



Satyrus nephele, Kirb.. Lep., III. Vol. VII., p. 156. Ibid, Vol. X., p. 92. 

 Vol. VI. Proceed. Ent. Soc. Phil., p. 195. Han., p. 306. Bull. Buffalo 

 Soc, Vol. II., p. 242. 



Scelodonta pubescens, Mels., Col., 111. Vol. XIII., p. 163. 



Scepsis fulvicollis, Hubn., Lep., 111., Vol. X., p. 171. 



Schizoneura panicola, Thorn., Horn.., 111. Vol. VIII., p. 138. Ibid, Vol. 

 XIII., pp. 42, 51. 



Sciara? Dip., Ul. Vol. XIII., p. 59. 



Selandria? Saw Fly, Hy., U. S. 1884, p. 401. 



Siphonophora avenaj. Fab., Horn., Fitch, Vol. VI.-IX., p. 91. Mo. VoL 

 U., pp. 5, 6, 10. ni. Vol. VIII., pp. 29, 51. 



Siphonophora setarias, Thorn., Horn., 111. Vol. VIII., p. 56. 



Spilosoma Virginica, Fabr., Lep., Hairis, p. 349. 111. Vol. IV., p. 188. 

 Ibid, Vol. VII., pp. 80, 183, 277, 280. Ibid, Vol. X., pp. 116, 169. Pack- 

 ard, p. 287. Mo. Vol. III., p. 68. 



Sphenophorus par^oilus, Gjll. , Forbes' Notes. Seen eating grass in July 

 and August. 



Sphenophorus sculptilis, Uhl, Vol., Lintner, En. Rep., Vol. I., p. 253. 

 Mo. Vol. Ill , p. 59. U. S. 1879, p. 248. Ibid. 1880, p. 272. Ont.. 1880, 

 p. 56. Am. Nat., Vol. XV., p. 915. U. S. 1881-1882, p. 139. 



Tychea panici. Thorn., Hoin., 111. Vol. VIIL, p. 169. 



In the above list I liave given only such species as 1 know^, or 

 have good reason to believe, feed in part or Avholly on grass. I 

 have given references that the literature may be more easily in- 

 vestigated, though many authors referred to do not speak of the 

 insects as enemies to our grasses, they do give habits and charac- 

 ters which are important. 



In the list given others might very safely have been included. 

 It is probably true that all the species of Lachnosterna — allies of 

 our May or June beetle, the common white grub — and many 

 species of related genera, are injurious to grasses, as they quite 

 generally feed on the roots of these plants in the grub or larval 

 state. It is also probable that others of the genera Agrotis, Ha- 

 dena, etc., perhaps all the cut worms, are enemies of our mead- 

 ows- and pastures. Till within a couple of years Agrotis fennica, 

 the Black Army Worm, was supposed to be one of the most in- 



