THE OROTUND BRF/FLKS. 103 



our largest species, and ai-e elongate-oblong and convex in form, 

 black or piceous in line, usually strongly shining, rarely very feebly 

 bronzed. The apical spur of front tibite is always simple and the 

 elvtral stria^ are punctured. It includes the Indiana representa- 

 tives of the subgenera (' jirionot'ns, Leiociiemis and Bradytus of 

 I lay ward's paper. 



KKI I'O SPtrlK.S OF (IKOl i' A. 



(/. I'rostenmm uol iu;ii-;,'iiic(i :il tip; middle tibi;r ot malt' with Iwo teeth 

 on the iuner side: pnuctuies ou l)Mse of tliorax limited to the im- 

 pressions. 151. PENNSYLVANICA. 

 11(1. Prosteruum mar^nned ,il tip: middle tibia' »it males not toothed. 



b. Hind tibite of males not distinctly pubescent on the inner side; 



thorax punctured from side to side at base. 152. avida. 



hi). Hind tibiji? of males distinctly, usually densely pubescent on the 



inner side; basal impressions of thorax broad, bifoveate, with few 



or no punctures between them. 



r. Scutellar stria very short or obsolete: side pieces of metasteriium 



I)unctured. 153. exarata. 



cc. Scutellar stria long; side pieces of metastevnum smooth. 



(I. Prosteruum of male with a shallow sparsely pum-tured oval 

 space at middle, simple in the female: larger, 8.7-10.5 nun. 



154. lATIOH. 



ihl. I'rosteruum of male not ]nmctured, but with a lengthwise groove, 

 more feebly grooved in female: smaller, 7 s mm. schwarzi. 



'51 ((;45). A.MARA PENNSYLVANICA Hayward, Trans. Aiiiei-. l-^nt. Soc. 

 XXXIV, 1908, 34. 

 Elongate-oblong, moderately conve.x. l>lack or iiieeous, shining; an- 

 leume and legs rufous. Thcn-ax less than one-half wider than hnig, slightly 

 wider at base than apex, widest a little in front of middle; hind angles 

 rectangular, c.-irinate; Ijasal impressions broad, deep, indistinctly bifoveate. 

 coarsely iiuuctared. Elvtral stri:e punctured, more tlnely toward the apex. 

 T^ength 10-11.5 nnn. 



Southern hnlf of State; frequent. Hibernates. February 26- 

 October 9. listed as fvlripes Putz. but Hayward shows this name 

 to have been preoccupied. 



152 (()23,). Amara AVIDA Say, Jonrn. Phil. Acad. Xat. Sei.. Ill, l.si':',. ]4S; 

 ibid. II, 95, 541. 

 Oblong, convex. Black or piceous. shining: antenme and legs rufous. 

 Thorax nearly twice as wide as long, widest in front of middle, as wide 

 at base as apex; hind angles rectangular, not eari)iate. basal impressions 

 ill-defined: disk smooth at middle, sparsely i)unctate near apex, more 

 densely and coarsely across the base. p]lytra scarcely wider than thorax. 

 the strijTe deeji. distinctly punctured, intervals convex. Length S-9.5 mm. 

 I Pig. 6.3.) 



Vis'o a'ld Floyd con!)ties: scarce. April 26-June 23. 



