100 FAMILY IT. -- CARABIDJE. 



f members of this genus resemble those of Pterostichus ;in<l 

 tire found in tin- same situations though less frequently. Of seven 

 .specimens dissected by Dr. Forbes, insects such as canker worms 

 and caterpillars had formed ("> per cent, of the food, so that they 

 may be elass"d as highly beneficial. 



For literature treating of the genus see the first 1\vo papers by 

 I-eConte mentioned under /'/r/W/V/M'x, also the following: 



LcCoiitc. "Synoptic Table" in Bull. Brook. Entom. Soc... III. 

 1880, 21, 49. 73. 



Wickliam. "Coleoptera of Northeastern America" in Journ. 

 N. Y. Ent. Soc., III. 1895. 189-1!<>. 



Thirteen species of Evarthnis are known from the United 

 States. Of these, six have been taken in Indiana, while another 

 may occur. 



KKV TO INDIANA SPl-X'IF.S OK KVAIiTI I li I ' S. 



(i. Thorax subquadrate. l>ut little constricted nt l>;ise: prosternum deeph 



sulcate. 



/. Thorax wider th;iii long: scutellar stria wanting. 

 c. Stria? of elytra strongly punctured. 



'/. Margin of thorax wide, especially at base. 14.1. SEXIMPKESSTS. 

 <1<1. Margin of thorax narrow, nearly uniform. 14o'. SIGILLATI s. 



cc. Stri;e of elytra finely punctured. 147. AMERICAN: s 



hl>. Thorax as long as wide; scutellar stria present, rather long. 



14S. OKIJATI s. 

 mi: Thorax strongly constricted hehind : pnisternuiu t'eelily or olisoletely 



sulcate. 



'. Hind angles of thorax prominent: stria- of elytra line. COLOSSI'S. 



cc. Hind angles of thorax shorter, less prominent: stria' of elytra deep. 



/'. Sides of thorax much rounded. 14!). SODAI.IS. 



ff. Sides of thorax less rounded, more oblique. 1 .">(). ITKTIVI s. 



14"> (CIO). EVAKTHRTS SEX I Mi'iiKsscs Lee.. Ann. Lye. Nat. Hist.. IV. 1S4S. 



850. 



Elongate-oval. I'.lack. head and thorax feebly shining: ajiical hair 

 of antemue and tarsi reddish-br i\\ n : basal joints of antenna 1 , femora and 

 tibia- piceous. Thorax not punctate, sides rounded. Elytra very linely 

 alutaceous. o];Kiue; intervals tlat. Length 14.r-15.5 mm. 



Southern half of State. fre(|uent: less so in the northern coun- 

 ties. April 29-November 19. Occurs mostly on dry wooded slopes 

 beneath logs and stones. In this and the next three species the 

 thorax has the hind angles obtuse and the sides not sinuate near 

 base. 



