144 



FAMILY II.— CARABIBJE. 



KEY TO INDIANA SPECIES OF GROUP A. 



a. Head and thorax reddish-yellow-; elytra wholly dark blue. 

 6. Elytra deeply striate ; antennae pale ; length 8.5-9.5 mm. 



245. GEANDIS. 



66. Elytra finely striate ; three basal joints only of antennae pale ; length 

 6-7 mm. 246. atriventris. 



aa. Head black, thorax reddish-yellow ; elytra greenish-blue, deeply striate ; 

 outer joints of antennae darker ; length 7-8.5 mm. tricolor. 



*245 (872). Lebia grandis Hentz., Trans. Amer. Phil. 

 Soc., Ill, 1824, 58. 

 Ovate, subeonvex. Color given in key; under sur- 

 face and legs pale brownish-yellow; abdomen black. 

 Head finely wrinkled, very sparsely and finely punctate. 

 Thorax nearly twice as wide as long, margin broad; 

 disk with fine "transverse wrinkles and distinct im- 

 pressed median line. Elytra finely alutaceous. Length 

 8.5-9.5 mm. (Fig. 83.) 



Throughout the State, common in the south- 

 ern half; less so northward. February 8-De- 

 cember 20. Occurs especially in open woodland 

 and with the next hibernates beneath partly 



Fig. 83. (Alter Comstock.) . , n ,, 



Lower figure shows natural size, buried logs and other cover. 



*24G (873). Lebia atriventris Say, Trans. Amer. Phil. Soc, II, 1823, 13; 

 ibid. II, 444. 



Resembles the preceding but a third or more smaller. Elytra darker 

 blue; palpi, tarsi and apical two-thirds of antennae piceous. Elytral striae 

 very finely punctured ; intervals flat. Length 6-7 mm. 



Throughout the State; frequent. April 29-December 29. 

 L. tricolor Say may yet be found in eastern Indiana, its range 

 being given as Middle States northward to Canada. 



Group B. 



This group comprises the true forms of Lebia as denned by La- 

 treille. About 17 species and several varieties are known from 

 North America. Of these the following have been taken, or per- 

 haps occur in the State. 



KEY TO INDIANA SPECIES OF GROUP B. 



a. Thorax coarsely and rather densely punctured; head, thorax and basal 

 third of elytra reddish-yellow; apical portion of elytra blue; length 

 8 mm. divisa. 

 aa. Thorax not, or very finely, punctate ; elytra not colored as above ; length 

 less than 7 mm. 

 d. Elytra with fine or very shallow striae. 



