1252 FAMILY LV. TENEBRTONin.K. 



*2314 (742.~>). HOPATRIMS xo-rrs Say. Jonrn. Phil. Aoad. Nat. Sci., V. 

 1820, 237; ibid. II. 304. 



Oblong-oval. Black or brownish-black, opaque; antenna 1 and tarsi pic- 

 eous. Thorax one-half wider than long, slightly narrowed in front, sides 

 nearly straight: margin slightly thickened, hind angles lung, snbacute; sur- 

 face densely and rather coarsely punctured. Elytra not striate. hut with 

 rows of large, deeply impressed punctures; intervals with minute punctures, 

 each bearing a very short, prostrate yellow bristle. Length 8-11.5 mm. 



Southern half of State ; frequent in sandy localities beneath 

 chips, hark, logs, etc. Hibernates. February 14 December 12. 



IX. BLAPSTINUS Latr. 1829. (Gr., "to injure + to attempt.") 



Small oblong or oblong-oval, black or piceous species, having the 

 base of thorax bisinuate and as wide as base of elytra; inner wing 5 

 always present, sometimes very rudimentary; front tibire straight, 

 not produced at apex ; antenna? stout, joints 4-8 longer than broad ; 

 upper portion of eyes large and rounded. Of the 40 or more spe- 

 cies listed from the United States by Casey, but three occur in 

 Indiana. For a synoptical table and description of the North 

 American species see: 



Casai.In Ann. X. Y. Acad. Sci., V, 1800, 416-462. 



KKY TO INDIANA SPECIES OF IlLAI'STIM S. 



it. Elytral stria' not interrupted; pubescence persistent; hind angles of 

 thorax somewhat prolonged backward. 231.~>. ,\HI:SII s. 



<KI. Elytral strue more or less interrupted; pubescence scant, easily re- 

 movable, often almost absent. 



l>. Surface lustre rarely bronzed; color piceous-hlack, the elytra slightly 

 paler; elytra 1 strhe more finely punctured and less interrupted. 



2310. INTERRTPTI S. 



bh. Surface lustre strongly bronzed; elytral strhe more coarsely punc- 

 tured and widely and frequently interrupted; thorax more sparsely 

 punctured. 2317. METALLIC/US. 



*2315 (7442). l',i.. \PSTI MS AKKSTI'S Melsh., Proe. Phil. Acad. Nat. Sci.. III. 

 lS4f,. r,r.. 



( Hilong-oval, moderately convex. P.lack, shining : rather sparsely <];>! lied 

 with fine, short, yellowish, prostrate pubescence. Thorax one-half wider 

 than long, feebly narrowing from base to apex, hind angles snbacute, promi- 

 nent ; surface sparsely and deeply punctate at middle, more closely and 

 coarsely at sides. Elytral stria- feebly impressed near suture, more deeply 

 on sides, where their punctures are coarser; intervals finely and sparsely 

 punctured. Length 4.7-">.4 mm. 



Lake and Yigo counties; frequent beneath rubbish and other 

 envoi-, (^specially cacti in sandy localities. March 7-October 1. 



