123 



81. AcRiDiuM DMERicANUM, Drury. 



1773. Drury, Drew.— Gr?/Z/».s americanus. 111. II., 128, fig. 1 ; pi. 4, 

 fig. 2. Original description. 



1855. Thomas, Cyrus. — Acridiii?)} americannm. Trans. 111. St. Agr. 

 Soc. v., 448, 452. Description of imago ; distribution, and 

 injuries. 



1875. Thomas, Cyrus. — Idem. Rep. U. S. Geol. Surv. Terr. V., 



Part I., 172. (Synopsis of Acrididse of North America.) De- 

 scription of imago and distribution. 



EiLEY, C. v.— Idem. 7th Rep. St. Ent. Mo., pp. 173, 174. 

 Injuries to vegetation in Virginia. 



1876. Riley, C. V.— Idem. 8th Rep. St. Ent. Mo., pp. 103, 104. 



Its occurrence with Pezotettix spretus. 



1877. Riley, C. v.— Idem. Uh Rep. St. Ent. Mo., p. 84. Flights 



of this species reported from Ohio, Indiana, North Caro- 

 lina, and Georgia. 



Packard, A. S., Jr. — Acrydmm americanum. 9th Rep. U. S. 

 Gr. G. Surv. Terr., pp. 690. 691, pi. xliv, fig. 6. Occa- 

 sionally very destructive to vegetation in Southern States, 

 particularly to Indian corn and cotton. 



1878. Riley, C. V. — Acridium americanum. 1st Annual Rep. U. S. 



Ent. Com. pp. 448-450. Migratory habits. 



1880. Thomas, Cyrus.— Idem. 9th Rep. St. Ent. 111., pp. 129-140. 

 Description, life history, injuries, remedial agencies. Injury 

 to Indlan corn, p. 135. 

 Thomas, Cyrus. — Idem. Amer. Ent. III., 250. Sudden in- 

 crease in southern Illinois, caused by dry weather. 



1885. Forbes, S. A. -Idem. 14th Rep. St. Ent. Ill, p. 23. Injury 

 to Indian corn in southern Illinois. 



For further bibliography of the locu^t'5 of America, see 1st .Ann. Kep. U. S. Ent. 

 Com., 1877, Appendix xxvii, by B. Pickman Mann. 



Class MYRIAPODA. 

 Family Iulid^. 

 82. The Corn Myriapod. 



ilidus iiiqjressus, Say.) 



1821. Say, Thomas. — Jidus impressus. Proc. Acad. Nat. Sci. Phila., 

 II., 102. Complete writings, II., 24, Original description. 



1882. CoQUiLLET, D. W.— Idem. 11th Rep. St. Ent. 111., p. 44. 

 Characters ; condition necessary for its existence. Feeds 

 upon the ears of Indian corn which lie upon the ground. 



1884. Forbes, S. A.—Iidus impressus. 13th Rep. St. Ent. 111., p. 

 140. Reported injury to stalks of currant bushes. 



