66 



THE SEMICOLON BUTTERFLY. 



Polygonia interrogation's Fab. 



For general account see Howard, Bui. 7, n. s., Div. Ent., U. S. 

 Dept. Agric, pp. 47-49, 1897. 

 Exhibit: Larva and adult. 



THE HOP GRUB. 



Gortyna immanis Guen. 



For general account and life history see Howard, Bui. 7* n. s., Div. 

 Ent., IT. S. Dept. Agric, pp. 40-44, 1897. 

 Exhibit: Pupa, adult, and work. 



THE HOP SNOUT-MOUTH. 



Hypena humuli Harr. 



For general account see Howard, Bui. 7, n. s., Div. Ent., U. S. 

 Dept. Agric, pp. 44-47, 1897. 

 Exhibit: Larva, pupa and adult. 



THE VARIEGATED CUTWORM. 



Peridroma saucia Hiibn. 



For general bibliography and life history see Chittenden, Bui. 29, 

 n. s., Div. Ent,, U. S. Dept. Agric, pp. 46-64, 1901. 

 Exhibit: Larva and adult. 



INSECTS INJURIOUS TO CLOVER. 



For list of clover insects, and short articles on several important 

 species see Bruner and Hunter, Rpt. St. Bd. Agr. Nebr., pp. 240-285, 

 1898. 



INJURING THE ROOTS. 



THE CLOVER ROOT-BORER. 



Hylastinus trifolii Mull. 



(Formerly Hylastes.) 



For general articles see Riley, Rpt. U. S. Dept. Agr., f. 1878, pp. 

 248-250, 1879. 



Exhibit: Adult, work, figure, and enemy, Telephones bilineatus Say. 



INJURING THE STEM. 



THE CLOVER STEM-BORER. 



Languria mozardi Latr. 



For general account see Weed, Bui. Ohio Agr. Expt. Sta., 2d 

 series, v. Ill, No. 8, p. 235, 1890. 

 Exhibit: Adult. 



