THE LONG-IJOKNED WOOD-BORING BEETLES. 



1079 



KEY TO SPECIES OF GEAPHISDKUS. 



I'. I'l-dlonged fifth ventral of female emai-ginate at tip ; tarsi equal iu width 

 in both sexes ; pubescence of upper surface mostly clay-yellow ; length 



13 mm. TRIANGULIFEE. 



00.. Fifth ventral of female deeply cleft at tip ; front and middle tarsi of 

 male broader than in female; pubescence of upper surface chiefly 

 grayish. 1996. pasciatus. 



1996 (644.3). Graphisurus pasciatus DeG., Mem., 

 V, 1775, 114. 

 Elongate, rather slender. Thorax grayish 

 with black dots; elytra thickly sprinkled with 

 small black spots, and usually with two irregu- 

 lar blotches, one in front of, the other behind 

 the middle ; antennfe and legs annulate. Thorax 

 finely and Indistinctly, elytra rather coarsely and 

 sparsely, punctured. Length 8-14 mm. (Fig. 

 466.) 



Throughout the State; frequent. May 

 H-July 22. Pound especially beneath 

 bark of beech and hickory ; numerous pupse 

 under the former on June 9 ; also breeds in 

 oak and maple. 



LXIII. 



1888. 



Fig. 166. (After Smith in KRh 

 Rep. U. S. Ent. Comm.) 



Cerato'jeaphis Gahan. 

 (Gr., "horn + pencil.") 



This genus, sufficiently characterized in the generic key, is rep- 

 resented in the eastern United States, including Indiana, by a single 

 species. 



1997 (6444). Ceeatoobaphis bigu'itatus Lee, Journ. Phil. Acad. Nat. Scl., 

 II, 1852, 172. 



Elongate, slender, slightly depressed. Dull brownish-yellow, rather dense- 

 ly clothed with brownish pubescence; elytra indistinctly mottled with gray- 

 ish, each with an oblique black band behind the middle and a Short, ele- 

 vated blackish line on base. Thorax rather finely and densely punctured, 

 with a sharp, obliquely placed spine each side behind the middle. Elytra 

 rather coarsely, deeply and somewhat closely punctate, tips rounded. Ovi- 

 positor of female one-half the length of the preceding species ; all the fe- 

 mora clavate. Length 9 mm. 



Lake County; rare. July 23. A species of northern range. 



Acanthocinus ohsolctus Oliv., dull whitish-yellow, elytra with 

 some small blotches and three undulated cross-bars, length 10-15 

 mm., is known from Wisconsin ancl Ohio, eastward and southward. 



