1028 



FAMILY LII. CERAMBYCIDJE. 



KEY TO SPECIES OF OBEIUM. 



a. Head and thorax piceous, coarsely and closely punctate ; elytra pale red- 

 dish-brown, very sparsely punctate. eubidum. 

 aa. Body uniformly reddish-yellow; thorax not closely punctate; elytra 

 more closely punctate. 1901. eubrum. 



1901 (6092). Obbium eubrum Newra, Ent. Mag., V, 1838, 393. 



Elongate, subcylindrical. Pale reddish-yellow, shining. Head broader 

 than thorax, the latter with an obtuse tubercle each side near middle. Ely- 

 tra rather coarsely punctate, each puncture bearing a yellowish hair. Fe- 

 mora rather strongly clubbed. Length 5.5-6.5 mm. 



Posey, Putnam and Crawford counties; scarce. June 24-June 

 28. Beaten from vegetation. 



Tribe III. STENOPTINI. 



In this tribe the front coxal cavities are widely angulated on the 

 outer side, but entirely closed behind; abdomen normal in both 

 sexes; head extended forward, the front large and oblique; eyes 

 finely granulated and deeply emarginate; hind tarsi with first joint 

 twice as long as second ; legs and thorax sparsely clothed with long 

 flying hairs. Two genera, each represented in Indiana by a single 

 species, compose the tribe. 



KEY TO GENEEA OF STENOPTINI. 



a. Elytra scarcely longer than thorax, their tips separated and rounded; 

 mesosternum triangular and truncate. XX. Moloechus. 



aa. Elytra elongate, gradually awl-shaped and widely separated at apex; 

 mesosternum broad, widely emarginate behind. XXI. Callimoxys. 



XX. Molorchus Fab. 1792. (A mythological name.) 



1902 (6100) 



Fig. 437. X 4. 

 (After Wickham.) 



Moloechus bimaculatus Say, Journ. Phil. Acad. Nat. Sci., 

 III, 1824, 428 ; ibid. II, 202. 



Elongate, subdepressed. Dull black, sparsely pubes- 

 cent with long grayish hairs. Elytra dull yellow, blackish 

 at tip and margin ; antenna? and legs reddish-brown. Tho- 

 rax subcylindrical, rounded at sides, much narrowed at 

 base, surface coarsely and rather densely punctate. Length 

 5-7 mm. (Fig. 437.) 



Throughout the State, common; less so in the 

 northern counties. April 12-May 27. Often 

 abundant on the flowers of the red haw (Cra- 

 taegus).* Mating April 26 and May 27. Breeds in 

 hickory, maple, ash and dogwood. 



