232 HOUSEHOLD INSECTS 



1893. LINTNEK, J. A. Tenebrio molitor. Eighth Kept. Ins. of 



N.Y., pp. 176-177. 

 1896. CHITTENDEN, F. H. The principal household insects of the 



United States. Bull. 4, Bu. Ent., U. S. Dept. Agri., pp. 116-117. 



Tenebrio obscurus 



1893. LINTNEE, J. A. The American meal-worm. Ninth Rept. 



Ins. N.Y., pp. 307-308. 

 1896. CHITTENDEN, F. H. The principal household insects of the 



United States. Bull. 4, Bu. Ent., U. S. Dept. Agri., pp. 117-118. 

 See Lintner's Ninth Rept. for further bibliography. 



THE CADELLE 



Tenebroides mauritanicus 



The Cadelle is more particularly a stored-grain insect 

 than a household pest. It and its larvae are frequent 

 occupants of granaries, mills, and 

 storehouses and from these often 

 find their way into households in 

 cereals and other food products. 

 Many years ago the French applied 

 the name "Cadelle" to this beetle 

 and it has been known under this 

 name ever since. The Germans 

 often term it the bread beetle. It is 

 of world-wide distribution although 



r IG. u/. inc L^aaetic. 



(x 4.) Chittenden remarks that ' there is 



every reason to believe that this 

 insect is of American nativity." 



The adult insect is a dark, shining-brown beetle about 

 f of an inch in length (Fig. 67). It is therefore somewhat 

 smaller than the meal-worm beetles, but much larger than 



