640 FAMILY XXVI. NITIDl'LID^. 



April 22-June 19. Tjikeii from ])eneath dead leaves by sifting; 

 also beneath bark of beech. Described from IMichigan and Canada. 

 Resembles hclvola but readily distinguished by the smaller size and 

 rounded tii)s of elytra. 



E. peltoicks Horn, 2.5 mm. in length, was described from ]\Iichi- 

 gan and Maryland. 



1229 (3714). Epuk^a labh.is Ericlis., Germ. Zeitschr., IV, 1S43, 272. 

 Oval. Dull redclish-yellow, rather shining, sparsely inibescent. Tho- 

 rax twice as wide as long; sides regularly curved and gradually narrowing 

 from base to apex, which is feebly emarginate; margin nan-owly reflexed, 

 hind angles rectangular ; surface, as well as that of elytra, coarsely and 

 rather densely punctured. Elytra one-third longer than wide, tips ti'un- 

 cate, sides feebly recurved and slightly narrowing behind the middle. Length 

 2-2.b mm. 



Throughout the State; frequent. May 16-August 29. Resem- 

 bles crichsomi, but smaller and the males distinguished by charac- 

 ters given in key. Occurs on flowers of elder, dogwood, etc. 



VII. NiTiDULA Fab. 1775. (L.. "shining or bright.") 



The members of this genus ar(» known as "bone beetles" and 

 are distinguished from Kjitiraa by theii' larger si/e and l)y the 

 labrum being feel)ly emai-ginatc instead of bilobed. They have 

 the antenna' 11 -jointed, tlic clu]) abrupt and ^-jointed; abdominal 

 segments 2 to 5 eciual. the first vci-y little longer. Three species 

 occur in the TTnited States, all of wliich are found in Indiana. 

 The first two have been introduced from Europe. 



KEY TO THE SPECIES OF NmDULA. 



<t. Thorax coarsely and rather densely punctured. 



h. IMceous ; elytra each with a rounded reddish spot on disk. 



1230. BIPUNCTATA. 



?j6. I'iceous; elytra without spnts. 1231. rufipes. 



aa. Thorax sparsely and rather finely punctured; elytra usually with iiTegu- 



lar dull yellow spots. 1232. zigzag. 



1230 (3710). NiTiDULA BIPUNCTATA Liuu., Fauna Suec, 1758, 148. 



Oval, feebly convex. Piceous black, finely pubes- 

 cent; each elytron with a round reddish spot near the 

 middle. Thorax twice as wide at base as long, nar- 

 rower at ajtex ; miirgins moderately flattened, hind 

 angles nearly reef angular. p]lytra together longer than 

 wide, rather sparsely and finely punctured. Length 

 4.5 6 mm. (Fig. 241.) 



Vigo. Tiawrencc^ and Knox counties; scarce. 

 Api-il 15 .Inly 11. Occurs on or b(>neath bones 

 and skins of di'y carcasses, and probably to be 

 found tln-onuhout the State. 



