132 FAMILY IT. OARABTTXE. 



basal impressions rather deep, smooth. Elylral slri;e very line; intervals 

 nearly flat, finely alutaremis ; fourth and fifth dorsal punctures 011 or near 

 the second stria, the others near the third. Length 7-8 mm. 



Frequent in the northern half of the State ; not taken south of 

 Putnam and Vigo counties. Hibernates. January 7-October 26. 



[806). PLATYNUS .STIUATOPI-MTATI-S De.j., Spec. 111. 18-7. 107. 



Elongate, rather slender. Bronzed black or piceous, shining; first 

 joint of aiitenn;e and legs dark vtddisli-yellow. Thorax oval, sides rounded 

 into base; margins slightly wider and more strongly retiexed toward the 

 base than in inittnix; impressions deep, finely and sparsely piuictured. 

 Elytral stria' moderately deep, distinctly punctured; intervals slightly con- 

 vex, alutace: us, the third with five or six punctures. Length 0-7.3 mm. 



Lake. Vigo, Knox, Dubois and Posey counties; scarce. April 

 18-September 3. 



224 (S07). PLATYNTS ALBICBUS Dej., Spec. III. 1827. 158. 



Elongate, slender. 1'icenus. feebly bronzed, shining. Thorax sub- 

 (inadrate. slightly longer than wide, margin of basal half wider and more 

 retiexed. hind angles obtuse; basal impressions narrow, deep, not punc- 

 tured. Elytral stria* rather deep, not punctured; intervals moderately 

 convex, distinctly alutaceous. the third with three dorsal punctures. Length 

 0.5-7.5 mm. 



Knox County ; rare. Two specimens from the margins of the 

 cypress swamp. July 4-July 9. 



*22.~i (Nl4l. PLATYNTS OCTOPL'NCTATUS Fab.. Ent. Syst.. 



Suppl., 1798, 55; Say, II. 470. 



Elongate, rather slender. Color above as given in key; 

 under surface shining blackish-green. Thorax wider than 

 long, sides rounded into base, very finely margined; 

 basal impressions small, deep, not punctured. Elytral 

 stri;e tine, not or indistinctly punctured; intervals nearly 

 flat, alutaceous, the third with four (rarely three or 

 five) punctures, each set in a large quadrate impression. 

 Length 7-7.5 mm. (Fig. 70.) 



Lake. Porter, Putnam and Dubois counties, rare: 

 . 76. x 4. Vigo County, frequent. Hibernates. February 



(Original.) 



14 November 4. Occurs on slopes of sparsely 

 wooded hills, usually in sandy localities. 



220 (Sir.). PI.ATYM s pi.Aciiifs Say. Trans. Amer. Phil. Soc., II. 1X2:>. 4'A ; 

 ibid. II. 409. 



Elongate, moderately broad. Head and thorax greenish-black; elytra 

 bluish-black, snbopaque. Thorax subquadrate, slightly wider than long; 

 basal impressions wide and rather shallow. Elytral stria? very fine, not 

 punctured; intervals slightly convex, distinctly alutaceous; dorsal punc- 

 tures five or six, the apical two on second stria, the others on or near 

 third. Length 7.5-9 mm. 



