THE GROUND BEETLES. 



165 



294 (1009). Chi^enius solitaries Say. Trans. Airier. Phil. Soc, II, 1823, 



65 ; ibid. II, 487. 



Elongate-oval, rather slender. Above bright green; legs and basal por- 

 tion of antennae pale yellow; under surface dark reddish-brown, the last 

 ventral segment margined with dull yellow. Thorax slightly longer than 

 wide, base and apex almost equal and much narrower than elytra ; sides 

 rather strongly curved in front, sinuate near base, hind angles rectangular; 

 disk sparsely punctured along the base and apex. Elytral intervals convex, 

 sparsely punctate and pubescent. Length 12-14 mm. 



Starke. Vigo. Martin. Posey and Clark counties; scarce. April 

 15-December 10. Resembles prasinus in color but smaller, brighter 

 green and with much narrower thorax. 



295 (1008). Chljenius leucoscelis Chevr.. Col. Mex.. I. 1834, 71. 

 Elongate-oval. Above dark violet blue; antennae and legs reddish- 

 brown ; under surface piceous. Thorax as in solitarius, the basal impres- 

 sions and median line deeper, the former long and curved; center of disk 

 each side not punctured. Elytral intervals subconvex. rather densely and 

 finely punctulate. Length 13.5-10 mm. 



Clark and Floyd counties : frequent beneath stones along the 

 Ohio River. April 15-October 9. 



296 (1007). Chlenius PBASixrs Dej.. Spec. II. 1826, 345. 



Elongate oval, robust. Above bright green ; legs and antenna? pale ; 

 under surface black, the last ventral segment dull yellow. Thorax broader 

 than long; sides curved in front, gradually narrowed from middle to base, 

 which is distinctly narrower chan elytra: hind angles obtuse; disk coarsely 

 and sparsely punctate. Elytral striae shallow, distinctly punctured; inter- 

 vals rather densely and finely punctate. Length 17-18 mm. 



Throughout the State: frequent in damp localities. April 16- 

 July 14. In one specimen from Vigo County the elytra are blackish- 

 green. 



297 (1003). Cn ive Nius tkstivus Say. Trans. Amer. Phil. Soc. II, 1S23. 62; 



ibid. II. 484. 



Elongate-oval. Head and thorax green, slightly bronzed; elytra black 

 with bluish tinge : legs and three basal joints of antenna? pale ; under sur- 

 face black. Head, except the middle of front, coarsely and deeply punctate. 

 Thorax nearly as long as wide, sides feebly sinuate near base, disk coarsely 

 and densely punctured. Elytral stria? finely punctured; intervals finely, 

 densely and indistinctly punctulate. Length 16-17 mm. 



Southern part of State, frequent; much less so in the northern 

 counties. April 12-June 28. 



C. plaiyderus Oh and.. 14.5 mm. in length, is recorded from I He 

 nois and westward, and possibly occurs in western Indiana. 



