113 



Prairie Farmer, V., 227. Injuries in Hancock county, 

 Illinois. 



Prairie Farmer, V., 287. — Chinch Bugs. Injuries in Tazewell 

 county, Illinois. An account of their season's history. 



Prairie Farmer, VI., 134.— The Chinch Bug. Injuries in San- 

 gamon county, Illinois. 



Prairie Farmer, VI., 245.— Chinch Bugs. Injuries in Cass 



county, Illinois. 

 LeBaron, Wm. — RJu/porochromus devastator. Prairie Farmer, 



X., 200. Description of imago, nomenclature, habits, life 



history, and injuries. 

 Pkairie Farmer, XL, 335. — The Chinch Bug. Distribution 



within the State of Illinois. 

 Harris, T. W. Rhi/parocJiromus leticopterus. Treatise Insects 



Massachusetts. Brief description of imago, distribution and 



injuries. 



Fitch, Asa. — Micropiis Icucnpterus. The Cultivator, 3d series, 

 III., 2^7-239. Correspondent writes from Indiana giving ac- 

 count of habits and injuries. Past history and nomencla- 

 ture. 



Fitch, Asa.— Idem. 2d Eep. Ins. N. Y., pp. 277-297. Its 

 first appearance ; appearance in 1839 in North Carolina and 

 in Illinois ; its destructiveness, distribution, nomenclature, 

 remedies. 



Harris, T. W. — Rhijparochromus leucopteriis. Insects Injurious 

 to Vegetation. 3d ed., pp. 197-200, fig. 84, (See under 

 1852.) 



Walsh, B. D. — Chinch Bugs. Pract. Ent., I., 95. Keports a 

 case of the prevention of injuries by surrounding Indian 

 CORN field with a barrier of pine boards set up edgewise 

 and keeping the upper edge moist with coal-tar. 



Walsh, B. D. — Micropus (Lygceiis) leucopterus. Pract. Ent. 

 II., 21. Pieceives specimens from Canada whose wings are 

 half the length of the body, and infers that they are a 

 geographical variety. 



Sh;mer, Henry. — Blissus leucoptterus. Proc. Acad. Nat. Sci. 

 Phila., XIX., 75-80. Notes on Micropus {Lygceus) leucopterus 

 with an account of the great epidemic among these insects 

 in 1865. Gives an account of their abundance and habits 

 in 1864. 



Walsh and Riley. — Micropus leucopterus. Amer. Ent. I., 169, 

 177, 194, 199, figs. 122, 138, 139. Past history; natural 

 history. Natural checks : heavy rains, cannibal foes. Inju- 

 ries ; remedies. Four points thought to be established : 1st, 

 chinch bugs hibernate in the winged state in any dry rub- 

 bish, hence such material should be burned in tlie spring ; 

 2d, the earlier small grain can be sown the more likely it 

 is to escape the chinch bug; 3d, the harder the ground 

 when the grain is sowed, the less injury; 4th, a single 

 heavy rain immediately checks the propagation of the 

 chinch bugs. 



