104 FA Ml \.\ II.- -(' \ I! \ i'.l n.K. 



Kl.'i It) (.Kill rs nl :,Mi\\A M'Mll.S Dl I ' 1 1 1.. lO.N 1 l.S. 



(I. Tiiirfl joint of nnleniut' Iniiuoi' tlian roiirlli; niHldlc MliiiP of male witli a 



I)iihes;-f'nt space near llu' tij*. (Jroiip 1. 



(/(/. 'I'liird .joint of antcnn.-r nol lon.ucr than I'oni-tli i cxt-cpt in luinciihisiix) : 



middle 1il)ia> of male withont a imhcscont spaec at tip. (Jroup /'. 



Group A. 



In this group the ninlcs have a pnliescent space of greater or 

 less extent near the tip of the midcUe tibiif. This is usually on the 

 outer edge, hut sonietini(\s in front of the tibia\ The ])asal line and 

 side margin of the elytra unit(> at the humerus to form either a dis- 

 tinct angle or a regular ciu've : and '"hasal line angulate at hu- 

 merus'" and "basal line curved at humerus'" ai'c terms used to 

 designate tln^ two modes of union. 



KEY TO INDIANA SPl'X'lKS OF GROUP A. 



II. Abdomen smooth at middle, sparselj- and finely punctured on the sides. 



h. Presternum not mar^'ined at tip, feebly punctured or smooth in front; 



inal(^ with front femora subangulate at base. 



c. Color bright green, shining; length 12-14 nun. 29-1. solitahius. 



cc. Color dark blue: tliorax snl)epa(pie, elytra oiiaciue; length 13- 



15 mm. 2!J5. leucoscelis. 



liJi. I'rosternum margined at tip. coarsely ]nuictured in front; color green, 



the last ventral segment nearly wholly brownish-yellow : length 



17 mm. 2!)(;. pkasinis. 



(in. Abdomen sparsely inmcturod at middle, more densely at sides. 



(1. Episterna (side pieces) of metasternum short, the outer side shorter 

 than the front one; thorax narrower at base than elytra. 

 ('. 'Pliorax greenish-bronzed above, (he sides distinctly simiale near 

 base ; front femora of male subangulate at base. 297. .t:stivv!S. 

 re. Thorax violet or |inrplisli-blne above, not sinuate near Itase. 



f. Thorax wider llian long; front femora of male subangulate at 



base. PLATYDERUS. 



ft. Tliorax about as long as wide: front femora of male simple. 



29S. UIKFINIS 



(Ifl. E])istenia of iiietasterniun long, llie outer side longer than the front 

 one. 

 <i. Sides of thorax not or feebly sinuate ne.ar liase. 



/(. Color bright green to blue, legs ])ale. 299. sericeus. 



Jih. Color blackish or dark blue. 



/. Smaller, i:; l.'i nnn, : base of tlioi'ax as wide as elytra; fi'ont 



femoi'.-i of ni;il(> toothed at b.ase. oOO. laticolus. 



ii. r.arger, 21-23 nun.; base of tluu'ax narrower than elytra; front 



femora ()f male simple. kuscicornis. 



mi. Sides of tliorax (iistiiictly sinuate near base: color and size of fi(i<- 



ciConiiS. 391. ERYTIIROPUS. 



