67 



to shade ground, thus increasing moisture. If in late winter the 

 bugs are known to be numerous, it will be well to sow no spring 

 wheat or barley. The chinch bug will be harmless in proportion 

 as an intelligent and cleanly system of agriculture is adopted. 



Illinois Crops for 1831. Circular No. 82 [of the Dept. of Agricul- 

 ture], pp. 4, 58-71, 103. 



Table showing effects of drouth and chinch bugs ou yield of 

 corn. Wheat and corn seriously injured in Central and Southern 

 Illinois. 



Correspondenis' Remarks. — Adams, Calhoun, CJirisiian,'' Gallatin, 

 and Woodford Co's. Wheat and corn more or less seriously in- 

 jured. Alexander, Champai(in, Effingham, Mason, Morgan, and 

 St Clair Co's. Much damage by chinch bug. Bond Co. Fall 

 rains nearly destroyed them. Brown, Carroll, Clark, Done/ las 

 Grundy, Hancock, Henderson, Lcdce, Livingston, Logan, Macoupin, 

 Marshall, Menard, Mercer, Monroe, Beoria, Bike, Bock Island, 

 Scott, Shelby, and Tazewell Go's. Corn damaged. Bureau, Jo 

 Daviess, La Salle, and Moultrie Go's. Oats and corn more or 

 less damaged. Clay, Clinton, Fayette, Fvauldin, Jasper, Jefferson, 

 Lawrence, Marion, Berry, Bicfdand, Wayne, and Washington 

 Go's. Corn a failure because of bugs and drouth, and wheat also 

 injured in Washington Co. Coles, Crawford, Hardin, Jersey, 

 Massac, Montgomery, WahasJi, and Williamson Go's. Corn nearly 

 a failure, or much, or considerably injured. CooA: Go. Yield of 

 spring wheat reduced. Gumhei'land, Greene, Henry, Johnson, 

 Randolph, Sangamon, Union, and Warren Go's. Corn much 

 damaged. Iroquois Co. Chinch bugs very numerous. Ka.rdwkee 

 Go. Chinch bugs and white grubs did considerable damage to 

 corn, wheat, and rye. Fulton and Kendall Go's. Corn, spring 

 wheat, and oats damaged. Knox Co. Corn, rye, oats, and spring 

 wheat damaged more than usual. McDonougJi Co. Late corn in- 

 jured by the chinch bugs. Hessian fly, army worm, and chinch 

 bugs damaged crops more than for years previous. White Co. 

 Some wheat injured in fall. 



Case, F. W. — The Chinch 'Bug—Blissus leucopterus. (Trans. 

 Wis. State Agric. Soc. 1880-81, pp. 411-450.) 



A compiled article giving account of injuries, life history, and 

 remedies. 



Mendenhall, K. E. — Entomology. (Trans. Minn. State Hort. 

 Soc, 1881, p. 78.) ^ 



Chinch bugs appeared in considerable numbers in Southeastern 

 Minnesota, but June rains prevented serious damage "except in 

 some localities." ^ 



Encouraging experience in app Vying salt to wheat. Thinks that 

 the salt has a cooling influence upon the root, delaying the ripen- 

 ing of the grain and the exhaustion of the sap. A narrow strip 



