■44 



Family Nitidulidae. 



Amphicrossus ciliatui Oliv. Reared from black locust' twigs. 

 1890; Schwarz, Proc. Ent. Soc. Wash., 2 : 74. 



Cryptarcha ampla Er. "Found with Cyllene robmae larvae under 

 l)ark of living yellow locust tree." ' 



1893, Hopkins, Bui. 32, W. Va. Agri. Exp. Sta., p. 179, No. 47. 



Ips fasciatus Oliv. "Found with Cyllene robiniae larvae under bark 

 -of: living yellow locust tree." (Hopkins). 

 1870, Riley, Am. Ent. and Bot., 2 : 308. 

 1893, Hopkins, Bui. 32, W. Va. Agri. Exp. Sta., p 179, No., 48. 



Soronia undulata Say. Reaped from- black locust twigs. 

 1890, Schwarz, Proc. Ent. Soc. Wash., 2 : 74. 



Family Trogositidae. 



Tenebrioidae corticalis Melsh. (Syn. Trogosita.) Reared from 

 'black locust twigs. 



1890, Schwarz, Proc. Ent. Soc. \Vash., 2 : 74. 



Fathily Buprestidae. 



Agrilus egemis Gory. Larvae boring under bark; adults feeding 

 upon the leaves. This beetle is quite common on black locust leaves in 

 •early summer. 



1868, Glover, Rept. U. S. Commr. Agri., p. 92. 



1870, Glover, Rept. U. S. Commr. Agri., p. 67 



1889, Chittenden, Ent. Am., 5:219. 



1890, Packard, 5th Rept. U; S. Ent. Comm., p. 372. 



1893, Hopkins, Bui. 32, W. Va. Agri. Exp. Sta., p. 184, Nos. 86, 

 367, 371. 



1900, Chittenden, Bui. 22, (n. s.) Div. Ent. U. S. Dept. Agri., p. 67. 



Agrilus otiosus Say. "Adult feeding upon newly opened foliage." 

 1890, Packard, 5th Rept. U. S. Ent. Comm., p. 367. 



Agrilus impexus Horn. "Occurs on the two locusts {Gleditsia tri- 

 .acanthos and Robiniae pseudacacia) , July and August." 



1900, Chittenden, Bui. 22, (n. s.) Div. Ent. U. S. Dept. Agri., p. 68. 



Family Ptinidae. 



Lyctus striatus Melsh. The Powder Post Beetle. Infests the dry 

 rseasoned wood of several hardwood trees, including the black locust. 



