11 1: w 11 1 Ki.icit: ill'. 



lm 1 



Uruiizrd ;inil Miicly rd i«Mil;i1r ; l;il»niiii i-(iiiii<l<'(i in I'l-oiil ;iii(l ciliatc; 

 sciitcllu'ii iii\i.sil)l<': clylni with iiiiir sli^litly iiiiprcsscd stria' whidi 

 at-i' soinetinu's vci-y iiulisliiict. Front larsi ol' males moderately 

 dHaled and densely clothed i)eneath witli iiapilhw fonniiiG: an elon- 

 uate. iian-ow i)rnsh. Four species are known Irom Fiidiana, wliilf 

 anotlKM- may occur. 



KKV TO INDIANA SPI'X'IKS OF DINKLTKS. 



(/. Sidos of thorax and elytfa witli a lii-duzcd sulmiaririnal stripe; lengtli 

 lJ-15.5 mm. vrrTATUs. 



(((/. Sides without sulimar.s^inal stripe; length not over 11 nun. 



h. Under surface uniform browui.sh-yellow. 474. discolor. 



J>1). Tender surface black or bronzed. 



r. Siilural angles of elytra rounded in both sexes; femora of male 

 toothed. 475. emarginatus. 



cc. Sutural angles distinct in female; I'enidra of male not toothed, 

 f/. Sutural angles of I)oth sexes produced backward; tips of female 

 elytra feebly separated. 476. assimilis. 



(1(1. Sutural angles of elytra of male rounded; those of female pro- 

 duced backward with the tips strongly separated. 



477. HORNIl. 



D. rilhthis Aube has a range which probably includes southern 

 Tmliana. but it has not yet lieen taken in the State. 



174 (15;:!4). DiNEUTES DISCOLOR Aube, Spec. Gen.. VI. ]S:!S, 784. 



Oblong-oval, moderately convex, narrowed in front. Above black- 

 lirouzed. shining; under surface brownish-yellow^ to straw color. EI.^'tra 

 with side margins at outer apical angle and tips slightly sinuate, the 

 sutural angles weakly produced : femora of male wuth a triangular tooth. 

 Length ll.." 1.3 mm. 



Steul)en, Kosciusko, l^itnam and Martin counties; very common 

 in East Fork of White River. June 26-September 3. Easily 

 known by the narrower front half of body and ])ale under surface. 



475 (15.>S). DiNEUTES EMARGINATUS Say. Trans. .Vmer. I'liil. Soc.. II. isi;:',. 

 lOS; ibid. 11. 519. 

 liatlier broadly oval, moderately cdiivex. Above lihu-k (ir iilai-kisli- 

 iironzed. not very shining; beneath black, very shining, slightly bronzed; 

 middle and hind legs, narrow margin and tip of al)domen, paler. Side 

 margins of elytra in male, not in female, slightly sinuate near tips; sutural 

 angles broadly rounded. Length 10-11 mm. 



Tond near rniversity farm, east of Mitchell. Lawrence County; 

 scai'ce. .Xii'jiist 7. l*robah!y 1 hroiid|ioiit the southern half i>l' 

 State. 



