THE SHORT- \VJNM; i-;n sr.\ VKMiKi; I'.KKTI.KS. I(i7 



GROUP D. 



Small, slender species having the side nun-gin of thorax acute, 

 the flanks deeply but narrowly concave; prosternal sutures want- 

 ing; coxal fissures short and closed; hind angles of thorax obtuse. 



901 (2745). BLEDIUS COKDATUS Say, Trans. Amer. Phil. Sue., IV, 1834, 461 ; 



ibid. II, 576. 



Elongate, very slender. Black ; elytra dull yellow with a wide fuscous 

 sutural stripe ; antennae and legs dull yellow, the former dusky at tip. Head 

 broad, flat, finely granulated. Thorax one-third wider than long, sides sub- 

 parallel, rounded behind; disk finely granulate, very sparsely and irregu- 

 larly punctate, the median line distinct. Elytra slightly wider and one- 

 third longer than thorax, finely and rather densely punctate. Abdomen at 

 base narrower than elytra, finely granulate, nearly smooth above, distinctly 

 punctate beneath. Length 4 mm. 



Lake County; rare. May 21. A sea-coast species which will 

 probably be found all along the shore of Lake Michigan. 



Platystethus americanus Erichs., X mm. in length, black, shin- 

 ing, elytra fusco-piceous. tibite and tarsi pale, is recorded from Cin- 

 cinnati, and very probably occurs in southern Indiana. 



LXXIII. OXYTEIATS Grav. 1S06. (Gr.. "a pointed end.") 



Small, depressed black or piceous species having the head usu- 

 ally as wide as thorax, the middle coxa? somewhat separated and the 

 front tibia? with a single row of spines. 



KEY TO INDIANA SPECIES OF OXYTELUS. 



a. Thorax coarsely sculptured, more or less shining. 



b. Head rounded immediately behind the eyes, which are large and 

 prominent; thoracic grooves deep; length 3.5-4 mm. 



902. SCULPTUS. 

 &&. Head prolonged behind the eyes, the latter moderate in size. 



c. Sides of thorax crenulate ; piceous, legs and base of antennre dull 

 yellow; front flat; length 4.2-5 mm. RUGOSUS. 



cc. Sides of thorax entire. 



d. Front of head concave, its apical margin elevated ; (inter thoracic 

 groove feeble ; length 3.5-4.5 mm. 903. PENNSYI.VANICUS. 



dd. Front of head flat, not margined at apex. 



e. Vertex flat, not channeled; thorax strongly punctured; male 

 with apical margin of front extended forward in a short. 

 sharp process ; length 2.5-3 mm. 904. INSIGNITUS. 



ee. Vertex convex, feebly channeled. 



f. Front polished; dorsal grooves of thorax distinct; length 

 1.7-2 mm. 905. srsi'ECTcs. 



ff. Front opaque; dorsal grooves obsolete; length 2.1! mm. 



906. 



