THE DAKKMXU HEKTLES. -<'> 



2333 (7512). PLATYDEMA ERYTHROCEKA Lap., Ann. Sci. et Nat., XXIII, 1S31, 



355. 



Broadly oval, suhconvex. Above pirn, us, opaque, often with a purplish 

 tinge; under surface and apical half of antenna.* brownish; legs reddish- 

 brown. Head and thorax as in c.rc<i nil inn. Elytra! stria* less deep, more 

 coarsely punctured; intervals Hat, snux.lli. Length 3.5-4 nun. 



Putnam, Vigo and Posey counties; scarce. May 14-October !>. 



2334 (7513). PLATYDEMA RUFICOLLK Lap.. Ann. Sci. et Nat.. XXIII, 1S31. 



375. 



Oval, convex. Black or dark reddish-brown, subopaque; thorax, an- 

 tenna' and legs dull red. Head minutely punctured. Thorax nearly three 

 times as wide as long, base Insinuate, apex deeply emarginate; surface 

 finely and sparsely punctate. Elytral stri;e rather deep and coarsely punc- 

 tured ; intervals flat or nearly so, smooth. Length 3-4.5 nun. 



Lake, Posey and Perry counties; rare. April 21-Septernber '21. 



*2335 (7514). PLATYDKMA RITICORXK Sturm Cat., 1820, <;x. 



Very broadly oval. P.lack, opaque or |iiceous, with a purplish tinge; 

 under surface and legs dark brownish-yellow; antenna* wholly pale reddish- 

 yellow. Thorax more than twice as wide at base as long, thence regularly 

 narrowed to apex; surface very finely and sparsely punctate. Elytra finely 

 striate, the strise with small, rather closely placed punctures; intervals flat. 

 very minutely punctulate. Length 4-5.5 mm. 



Throughout the State; very common on fleshy fungi and beneath 

 bark. Hibernates. March 12-December 8. 



2336 (7515). PLATYDEMA FLAVIPES Fab., Syst. Eleut, II, 1801, 507. 



Resembles rtiflconic but more elongate. Black or piceous, opaque; an- 

 tenn;e black except the three basal joints, which, with under surface and 

 legs, are reddish-brown. Thorax feebly and sparsely punctate at middle, 

 more densely and coarsely on sides. Elytral punctures coarser than in 

 nificorne; intervals feebly convex and with more evident punctures. Length 

 4-5 rum. 



Clark and Posey counties: rare. May 5-September 25. 



2337 (7518). PLATYDEMA ELLIPTIC I'M Fab.. Syst. Eleut.. II, 1801, 560. 

 Elongate-oval. Black, opaque ; elytra each with an oblique, very irregu- 

 lar reddish spot, extending from humerus to suture. Thorax finely and 

 rather sparsely punctate. Elytra finely striate. the stria- with fine distant 

 punctures. Length 5.5-7 mm. 



Southern half of State; frequent March 20-Otober 14. Oc- 

 curs beneath bark on fungus covered logs. 



P. (imcricaiitiin Lap., length 5-f>.r> mm., is said by Horn to be 

 abundant in the "Northern States and Canada." 

 [8023402] 



