THE CHINCH BUG. 45 
1866. Walsh, B. D. Chinch Bugs. Practical Entomologist, Vol. I, p. 95. 
(Prints a clipping from Prairie Farmer, stating that the "bugs " had been successfully 
fenced out of a field by putting boards on edge around it and coating upper edge 
with coal-tar.) 
1866. Walsh, B. D. Micropus (Lygceus) leucopterus. Pract. Ent., Vol. II, p. 21. 
(Notices specimens of short-winged variety from Canada.) 
1866. Riley, C. V. Chinch Bug. Pract. Ent., Vol. I, No. 6, p. 47. 
(Exposes fallacy of a current theory that the eggs are deposited on the grain, and fields 
become infested from its use. Gives methods of depositing eggs and states that 
there are two generations in northern Illinois, and possibly three in more southern 
latitudes.) 
1866. Riley, C. V. The Chinch Bug. Prairie Farmer, Mar. 3, 1866. 
(Devoted principally to remedies, recommending ditching, winter work, mixing rye or 
tame grass with spring wheat.) 
1867. Shimer, Henry. Micropus (Lygceus) leucopterus. Proc. Acad. Nat. Sci. Phila., 
Vol. XIX, pp. 75-80. 
(Full journal account of observations during 1864-65 in Illinois. Conclusions as to 
causes of their destruction in 1865.) Page 234. (Reference to epidemic.) 
1869. Walsh & Riley. Micropus leucopterus. Am. Ent., Vol. I, pp. 169-177, fig. 122. 
(Popular inferences, past history, natural history, checks to multiplication ; review of 
Dr. Shimer' s prophecies about appearance.) 
Ibid., pp. 194-199, figs. 138, 139. 
(Predaceous foes of, damage done by, remedies for ; summary of conclusions : (1) they 
hibernate iu imago stage in rubbish, which should be burned; (2) early sowing in 
spring is an advantage; (3) compacting the soil acts as preventive; (4) heavy rains al- 
ways injure or entirely destroy them.) 
1869. Packard, A. S., Jr. Blissus leucopterus. Guide to the Study of Insects, pp. 543, 
544, fig. 547. 
(Describes imago, life history, injuries of; epidemic diseases of 1865. Cites its occur- 
rence in Maine and at summit of Mount Washington. Notices the theory that wet 
weather during breeding season is destructive to them.) 
1870. Riley, C. V. Micropus leucopterus. 2d Rep. State Ent. Mo., pp. 15-37, figs. 1 
and 2. 
(An extended account and the best yet published ; discusses past history, natural history, 
destructive powers, heavy rains, natural enemies, amount of damage, remedies, and 
bogus Chinch Bugs.) 
1871. Glover, Townend. Bhyparochromus (Micropus) leucopterus. Rep. Com. Agr., 
1870, p. 89. 
(Refers to observations of others as to deposition of eggs, etc.) 
1872. Bethune, C. J. S. Micropus leucopterus. Rep. Ent. Soc. Out., 1871, p. 55. 
(Refers to accounts of early history, habits, enemies of, natural remedies, etc.) 
1872. Le Baron, William. Micropus leucopterus. 2d Rep. St. Ent. 111., 1871, pp. 
142-156. 
(Estimates loss from depredations current year in Illinois ten and one-half millions dol- 
lars ; treats of their prevention and destruction under five heads : (1) natural enemies, 
(2) early sowing, (3) preventing migrations, (4) destroying by burning rubbish, (5) 
cease cultivating the affected crops.) 
1872. Glover, Tow> end. Bhyparochromus leucopterus. Rep. Com. Agr., 1871, p. 84. 
(Merely refers to its injuries in Western States and mentions salt being used as a 
remedy.) 
1872. Le Baron, William. Chinch Bug. Experience of 1872. Prairie Farmer, 
August 24. 
(Believes that a sufficient number of these insects hibernate under dead leaves in the 
woods to perpetuate the species ; also that the wet spring of 1872 destroyed large 
numbers of the Chinch Bugs.) 
