46 



FAMILY II. CAIiABID/E. 



\y. Calosoma W('1)('1-. ]S()1. ((Jr., "lic;iiilirul l body.") 



Ijfirii'c species, ^^reen, hhick nr hi'oii/c in cujoi-. having the tooth 

 of nientuiii simple and third joint of antenna' strongly compressed. 

 .Some of them are very common beneath logs and stones in open 

 woods and abont the bordei-s of cnltivated fields, and are often at- 

 ti'aclcd in iinmbers by elecl i-ic lights. They are ;imong the most 

 beneficial of the ('arabi(he, feeding ahiiost wholly \\\)i>\\ cater[)illars. 

 cutworms and other injurious l;;rva'. About iT) sp;'cies are known 

 from the Tnited States, five of which have l)een taken in Indiana, 

 while anotlier doubtless o -eurs. The fnllowinu' papers are the prin- 

 cipal ones treating of the genus: 



Lc('())ii(\ — "Notes on the Species of Calosoma Inhabiting the 

 United States" in Proc. Phil. Acad. Nat. Sci., 1862, 52. 



I. ('('mile. — "Synoptic Table" in l^ull. Bi'ook. Ent. Soc., I, 1878, 

 64. 



KEY TO INDIANA SPKl'lKS OF CALOSOMA. 



<i. lOlytra witliout mws of metallic spots. 



//. Elytra black with Mae l)nr(ler; lenytli ::o iiiiii. ."!(►. K.XTEKiXiM. 



hh. Elytra metallic jj;reeii witli I'ed lunrLciii. 



c. Length mere than li."> iiiui. ."Jl. scrltato:; 



cc. Length less than lio nnu. 32. wiLixoxi. 



nil. lOlytra blaclc, each with three rows of golden or metallic green im- 

 pressed spots. 

 li. spots of elytra green. 



c. Length liO nnn. : front tarsi of males with fonr Joints hairy be- 

 neath. ;!;;. FRl(iII)^^r. 

 cc. Length 2.5 or more nnn.: fr mt tarsi of male witji twi> joints hair"\- 

 beneatli. Savi. 

 ihl. Si»ots of elytra golden, vei y rarely green; front tarsi of male wit':; 

 three joints liaii'v lieneaih. :'A. cAr.ii); m 



•".'• (124). ('ai.osoma KXTEKNiM Say. .Tourn. IMiil. 

 Aca.d. .\at. Sci.. III. 1S2;!. l.'.O; ij)id. 



IL vm;. 



Elongate i-obnst. lllack, snbopa(pie : side margins 

 of Ihoi-ax ;uid elyti'a lilue. Thorax with sides rounded, 

 broadly flattened and reilexed behind; load angles 

 nhtusely r.iunded. Elytra almost parallel to ajiicai 

 t\)urth. the strije with distim-l janc'tures. Lengtli 

 .■!0 nmi. ( Fig. :!:]. i 



Throughout the State but nowhere conunon. 

 ^ra\' i:^-(Vt,)ber 18. Occnrs singly oi- iti ]»airs 

 beneatli co\'er in ojhmi W(>ods. 



