BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
205 
1555. Riley, C. Y. Locust injury next spring. The territory in Mis¬ 
souri that will probably suffer therefrom. <Colman’s Rural 
World, 20 December, 1876. S.-b. No. 14, pp. 5-6. Reprint: 
industrialist [Manhattan, Kans.], 17 February, 1877, v. 2, 
No. 44, p. 4. S.-b. No. 14, p. 49. 
Prediction of ravages of Caioptenus spretus to occur in spring of 1877 in Mis¬ 
souri. 
1556. [Riley, C. Y.J Amputating insects. <N. Y. Semi-weekly Tri¬ 
bune, 29 December, 1876, 2 figs. S.-b. No. 14, pp. 8-9. 
Description of the work of Elaplndionputator [= villo-mm} and Oncideres cin- 
gulata ; habits of both; figures of larva, pupa, and imago of the latter; 
similarity in habits of Oncideres amputator and E. putator to those of 0. 
cingulata. 
1557. [Riley, C. V., et al.] The Rocky Mountain locust or grasshopper, 
being the report of proceedings of a conference of the Gov¬ 
ernors of several Western States and Territories, together 
with several other gentlemen, held at Omaha, Nebr., on the 
25th and 26th days of October, 1876, to consider the locust 
problem; also a summary of the best means now known for 
counteracting the evil. <St. Louis, 1876, 8°, pp. 3-{-58, 8 figs. 
See: <N. Y. Tribune, 1876. S.-b. No. 10, p. 223. 
Preface, proceedings, pp. 1-36. Practical considerations and suggestions for 
the suppression of Caloptemis spretus ; description, oviposition, transforma¬ 
tions, and habits of the same; its enemies and parasites; means against 
it; description of Anthomyia calopteni u. sp. [= angustifrons]. Figures. 
Prepared by J. S. Pillsbury, P. Pusey, and C. Y. Riley. 
1558. Riley, C. Y. Potato pests. Being an illustrated account of the 
Colorado potato-beetle and the other insect foes of the potato 
in North America, with suggestions for their repression and 
methods for their destruction. <N&w York: Orange Judd 
Company [1876], pp. 108,49 figs., map. Review: <Cultivator 
and Country Gentl., 11 January, 1877, v. 42, p. 25. Reply to 
review: <1 bid., 1 February, 1877, v. 42, p. 78. S.-b. No. 14, 
pp. 56-57. 
TABLE OF CONTENTS. 
Preface. 7 
Introduction.'.. 9 
The Colorado potato-beetle, Doryphora 10 -lineata . 11 
Its past history. 11 
Prediction that it would reach the Atlantic, 12—Its march across 
the country, 13—It reaches the Atlantic, 14—Its swarming in 
large cities, 16—Its occurrence out at sea, 17. 
The insect’s native home... 17 
When it first attacked the potato, 18. 
Rate at which it traveled... 21 
How it traveled. 21 
Mostly in the beetle state, 21—Assisted by man, 21—Tendency to 
migrate in swarms, 23. 
It spreads, but does not travel in the sense of leaving one district for 
another. 23 
