1142 FAMILY L1II. CHRYSOMELID^E. 



Throughout the State; common. May 1 June 17. Occurs with 

 tricolor. 



XXVI. XANTHONIA Baly. 1863. (Gr., "yellow.") 



Three small oblong brownish species having broad elytra, nar- 

 rower thoiax and pubescent surface belong here. Two of the three 

 occur in the State. 



KEY TO INDIANA SPKCIES OB" XANTHONIA. 



(/. Punctures of elytra very confused; color usually dull reddish-brown 

 or clay- yellow with piceous spots; sometimes wholly reddish-yellow. 



2113. 10-NOTATA. 



mi. Punctures of elytra much riner and arranged in quite regular rows, but 

 slightly confused near the suture; color usually pale reddish-yellow, 

 often dark, never spotted. 2114. VILLOSULA. 



2113 (6720). XANTHONIA IO-NOTATA Say, Jouru. Phil. Acad. Nat. Sci., Ill, 



1824, 445; ibid. II, 213. 



Oblong or subquadrate. Brownish-red, sparsely clothed with suberect 

 brownish pubescence; elytra each usually marked with eight or ten irregu- 

 lar piceous spots, sometimes wholly dull pale yellow; antenna? and legs pale 

 reddish-yellow. Head and thorax densely punctate. Front femur of male 

 with a small tooth. Length 3 ruin. 



Throughout the State; common. April 26-October 10. Occurs 

 on oak, beech and elm. 



2114 (6721). XANTHONIA VILLOSTI.A Melsh., Proc. Phil. Acad. Nat. Sci., 



Ill, 1847, 169. 



Form of the preceding. Dull reddish-brown or pale yellow, pubescent; 

 head and thorax usually darker than elytra ; antenna? and legs dull yellow. 

 Thorax wider at base than apex, sides rounded, densely and coarsely punc- 

 tured. Elytra with distinct rows of rather fine punctures. Length 3- 

 3.5 mm. 



Throughout the State; common. May 21 -August 11. Beaten 

 from hazel and oak. 



XXVII. FIDIA Baly 1863. (NL., a nonsense name.) 



The species of this genus resemble those of Adoxus in form, but 

 differ by having the front margin of thorax straight, the sutures 

 separating the side pieces of prosternnm wholly obliterated, and the 

 legs much longer. From XauUxnini they may be known by the cyl- 

 indrical thorax and larger size. The males have the front tibia* 

 curved inwards near tho tip. 



