151 



Walnut Curculio, Conotrachelus juglandis LeC. Black wal- 

 nuts and butternuts. 



Hickorynut Curculio, C. affinis Boh. Hickorynuts. 



Larger Acorn Ourculio, C. naso LeC. Acorns of annual 

 oaks. 



Lesser Acorn Curculio, C. posticatus Boh. Acorns of annual 

 oaks. Has been bred elsewhere from galls on hickory and from 

 hickorynuts. 



TECHNICAL DESCRIPTIONS. 



Students who desire technical description of the foregoing 

 species are referred to the following named publications. 



B. proboscideus, B. rectus, B. caryae, B. quercus, B. -nnficus. 



Horn, Geo. H. Proceedings, Am. Phil. Soc., Philadelphia, 

 Vol. 13, p. 458-460. 



Hamilton, John, Canadian Entomologist, Vol. 22, pp. 2-8. 

 B. obtusus. 



Blanchard, Frederick, Bui. Brook. Ento. Soc., Vol. 7, p. 107. 

 Hamilton, John, Canadian Entomologist, Vol. 22, p. 6. 

 B. orthorhynchus, B. ~ba,culi, B. pardalus. 

 Chittenden, F. H., Proc. Ento. Soc., of Washington, Vol. 10, 

 Nos. 1-2, p. 19-26. 



B. confusor. 



Hamilton, John, Canadian Entomologist, Vol. 25, pp. 309- 

 310. 



C. juglandis, C. affinis, C. naso, C. posticatus. 



Le Conte, John L., Proc. Am. Phil. Soc., Vol. 15, pp. 226, 

 232. 



Those desiring to consult works on the biologies of the spe- 

 cies are referred to the following publications which are of spe- 

 cial value. 



Chittenden, F. H., The Nut Weevils, Cir. 99, Bureau of 

 Entomology, U. S. Dept. of Agr., Washington. 1908. 



Pierce, W. Dwight, The Biologies of the Rhynchophora of 

 N. A. Ann. Kept. Neb. State Board of Agr., pp. 249-307, 1906-7. 



