236 HOUSEHOLD INSECTS 



Methods of control. The Cadelle can be controlled 

 by taking the same measures recommended for the meal- 

 worms. 



REFERENCES TO ECONOMIC LITERATURE ON THE CADELLE 



1839. WESTWOOD, J. O. An. Introd. to the Mod. Class, of insects, 



p. 147. (Gives other references.) 



1883. CURTIS, JOHN. Farm insects, pp. 332-334 (2d ed.). 

 1888. RILEY and HOWARD. Insect life, Vol. 1, pp. 112, 314, 



360. 



1895. CHITTENDEN, F. H. The more important insects injurious 

 to stored grains. U. S. Dept. Agri. Yearbook, 1894, pp. 277- 

 294. 



1896. DAVIS, G. C. Some injurious insects. Bull. 132, Mich. 

 Expt. Stat., p. 21. 



1899. JOHNSON, W. G. The bolting cloth beetle. Tenebroides 

 mauritamcus. Bull. 20, n.s., Bu. Ent., U. S. Dept. Agri., p. 67. 



1900. ORMEROD, ELEANOR. "Cadelle," bread beetle. 23 Rept. 

 Inj. Ins., pp. 56-59. 



1901. DE CHAMPVILLE, G. F. Les ennemis du ble, pp. 61-63. 

 1909. SMITH, R. I. The Cadelle. Bull. 203, N. C. Expt. Stat., 



pp. 11-12. 

 See also Reports of 111. State Ents., IV, V, VI, XVI. 



THE SAW-TOOTHED GRAIN-BEETLE 



Silwnus surinamensis 



Among the insects which are injurious to stored grains 

 there is a small, narrow, chocolate-brown or reddish beetle. 

 It is scarcely one-tenth of an inch long, but makes up in 

 numbers for its small size (Fig. 70). It is one of the most 

 abundant beetles in all kinds of stored grains, especially 

 in the Southern states . Moreover, in the Southern states it 

 undoubtedly causes more loss in many instances, than any 



