46 THE CHINCH BUG. 
1874. GLOVER, TOWNEND. Micropus (Rhyparochromus) leucopterus. Rep. U. S. Com. 
Agr. 1872, p. 121. 
(Mentions injuries in Western States to Corn, Wheat, Sorghum, ete.; three broods re- 
ported observed in Missouri.) 
1874. JoHNSON, B. F. Chinch Bug. Country Gent., Vol. XXXIX, p. 661. 
(Abundant in central Illinois. Stock was poisoned by eating fodder. Suggests sow- 
ing plats of noxious plants, Tobacco, Night-shade, Henbane, Stramonium, Hemp- 
etc., to assist in checking their ravages.) 
1875. GLOVER, TOWNEND. Micropus (Rhyparochromus) leucopterus. Rep. Com. Agr., 
1874, pp. 127, 128. 
(Gives localities in Southern and Western States where reported as injurions.) 
1875. Ritey, C. VY. Micropus leucopterus. 7th Rep. State Ent. Mo., pp. 19-50; appen- 
dix, pp. 51-71, figs. 2, 3, and 4. 
(Résumé of previous history, full descriptions of various stages, natural history, extended 
account of injuries in 1874, exhaustive discussion of preventive measures and reme- 
dies, mentions irrigation, predaceous enemies. Appendix, correspondence of farm- 
ers relating to 1874 damage.) 
1875, RitEy, C. V. Locusts vs. Chinch Bugs. N.Y. Weekly Tribune, August 4, 1875. 
(A letter from Lyons, France, remarking upon the abundance of Chinch Bugs and allay- 
ing fears as to great destruction by them.) 
1876. UHLER, P. R. Blissus leucopterus. List of Hemiptera of the region west of the 
Mississippi River, including those collected during the Hayden explorations 
of 1873. Bulletin U.S. Geol. and Geog. Sur. Terr., I, second series, No. 2, p. 306. 
(Mere mention, with a list of localities.) f 
1877, PACKARD, A.S., Jr. Blissus leucopterus. 9th Rep. Geol. and Geog. Sur. Terr., 
1875, pp. 697-699, fig. 4 and map. 
(Refers to its destructiveness in the Western States, quotes estimates of different State 
Entomologists, notices briefly some of the remedies.) 
1878. THOMAS, Cyrus. Blissus leucopterus. 7th Rep. State Ent. Iil., pp. 40-71, 2 figs. 
(Résumé of history, natural history, descriptions, etc. Two brooded in northern Illinois, 
possibly three in southern Illinois. Remedies and general discussion of same). 
1879. RitEy, C. V. Entomological Notes. The Chinch Bug. Farmers’ Review 
(Chicago), February, 1879. 
(Discusses weather influence and advances parallel between Rocky Mountain Locust and 
Chinch Bug. Review of life history and summary of facts from Seventh Rept. Ins. 
Mo. Prediction of bugs in 1879 if weather prove dry.) 
1879. THOMAS, Cyrus. Blissus leucopterus. Bull. U.S. Ent.Com.No.5. Ten figures, 
map showing distribution. 
(Exhaustive résumé of present knowledge with facts concerning injuries, natural his- 
tory, predaceous enemies, full discussion of preventive and remedial measures.) 
1880. Kansas STATE BOARD OF AGRICULTURE. Quarterly Report for the quarter 
ending June 30, 1820, Topeka, July 20, p. 61. 
(An account of damage to Sorghum.) 
1880. THomas, Cyrus. Temperature and Rainfall as affecting the Chinch Bug. 
Am. Ert. New series. Vol. I, pp. 240-242, with diagram. 
(Condensation of his theory about periodicity of seasons of drought and their relation to 
appearance of this insect.) 
1881. THomas, Cyrus. The Relation of Meteorological Conditions to Insect De- 
velopment. 10th Rep. State Ent. Ill., pp. 47-59, with diagram. 
(Discusses theory of Septennary Cycles of Meteorological conditions; believes it possi- 
ble to predict with considerable certainty the season when Chinch Bugs will appear 
in injurious numbers.) 
1881. RiLEy, C. V. Am. Nat., October, p. 820. 
(Calls attention to the verification of Prof. Cyrus Thomas's prediction that this would be 
a bad Chinch-Bug year. ) 
