120 



78 The Lesser Locust. 



{Pezotettix atlanis, Riley.) 



1875. Riley, C. V. — Galoptcnus atlanis. 7th Rep. St. Ent. Mo., p. 

 169, Original description. 



1878. Riley, C. V. — Idem. 1st Annual Rep. U. S. Ent. Com. pp. 

 443-448. Flights; injuries; distribution; migratory habits. 



Thomas, Cyrus.— Idem. 7th Rep. St. Ent. 111., p. 38. De- 

 scription of imago. Comparison to allied forms. 



1884. Riley, C. V.— Idem. Rep. Com. Agr. 1883, pp. 170-160. Its 



ravages in New Hampshire. Past History. Injury to corn. 

 Characters ; range and life history ; natural enemies ; reme- 

 dies. 



1885. Forbes, S. A.—Pezotettix atlanis. 14th Rep. St. Ent. 111., p. 



23. Injury to Indian corn. 



79. The Rocky Mountain Locust. 



(Pezotettix spretus, Thos.) 



1865. Thomas, Cyrus. — Acridiam spretis. Trans. 111. St. Agr. Soc. 

 v., 450. Original description. 



1867. Glover, Townend. — Caloptenus spretus. Rep. Com. Agr. 1866, 



pp. 27, 28. Injuries in Kansas. Letters of inquiry and an- 

 swers. 



1868. Walsh, B. D.— Idem. Pract. Ent. II., 1-5, and 22. (Grass- 



hoppers and Locusts.) First specificably recognizable mention 

 of this species. Its ravages and migrations ; probable limit 

 of its range ; preventing its increase. Injuries to Indian 

 CORN, pp. 3 and 4. 



NiCKERsoN, M. C. "Grasshoppers." Am, Ent. I., 27. (Dev- 

 astations in western iowa, and the good that resulted from 

 them.) Destroyed late planted Indian corn. Seeds of Vilfa 

 vaginafiora imported by them. 



Walsh, B, D, — Caloptenus spretus. 1st Rep. St. Ent. 111., pp. 

 82-103, Eastern limit of the range of the locust. Occur- 

 rence and ravages in Texas and Missouri in 1866, and in 

 the Mississippi Valley in 1867. Past history ; compared to 

 C. femur-ruhrum. Injuries to Indian corn, pp. 88, 90, 95. 



Walsh and Riley, — Idem, Amer. Ent. I., pp. 73-76, fig. 65. 

 Distinguished from C. femur-ruhrum. Its native haunts, mi- 

 grations, geographical range, and ravages. 



1869. Packard, A. S., Jr. — Idem. Guide to the Study of Insects, 



p. 570, fig. 564a. Abundance, distribution, and ravages. 



Byers, W. N. — The "Colorado Grasshopper." Amer. Ent. I., 

 pp. £4, 95. Native haunts, migrations, ravages, and enemies. 



1873. Thomas, Cyrus. — Caloptenus spretus. Rep. U. S. Geol. Surv. 

 Terr. V., Part I., 164. (Synopsis of the AcrididsB of North 

 America.) Description of the imago. Distribution. 



