THE DARKLING BEETLES. 12l)o 



2333 ( 7512 ). Pi_\tydema erytiibocera T..ap.. Ann. Sii. et Xat, XXIII. 1S'.1, 



Broaaiy oval. sulK-onvex. Al.ove iijce'.ns. upaque, ntten with a purplish 

 tiuge: under surface and apical half of aAteuuie lii-..\vn;sb : l^s reddlsh- 

 lirown. Head and thorax as in e-rcarutum. Elj-tral strhe less deep, more 

 coarsely punctured: intervals flat, smooth. Length :'..."'i-4 mm. 



Putnam, Vigo and Posey counties; siarce. 3Iay 14— Oetnlier D. 

 'SX'A (T.jLii. Platydema beficolle I^ap.. Ann. Sci. ct Nat.. XXIII. ls:;i. 



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

 tennje and legs dull red. Head minutely punctured. Thorax nearly three 

 times as wide as long, base bisinuate. apex deeply emarginate: surface 

 finely and sparsely punctate. Elyti-al sirite rather deep and coarsely pun;-- 

 tnred ; Intervals flat or nearly so, smooth. I>ength 3-^.5 mni. 



Lake. Posey and Perry cotmties; rare. April 21-SeptemlH'i- 27. 



*!!.'!.".." (7."il4). PIjATVDem.^ beficorxe Suirm i.'at.. Is^il. us. 



Very broadly oval. I'.lack. opaque nr piceons. with a purplisli tin^'e : 

 under snrfaie and le^rs dark bniwni-li-.vellow; antenme wholly pale n:Kldisli- 

 .vellow. Thorax mure than twii c as wide at base as long, theme re-'ularly 

 narrowed to apex: surface very flnely and s|iarsel.v jmnctate. Elytra finely 

 striate, the stri* with small, rather cl sely placed iiuuctures; intervals flat, 

 very minutely punctulate. Length 4— "i.-j mm. 



Throughout the State; veiy common on ticssliy fungi and beneath 

 bark. Hibernates. 3Iareh 12-l)e(eniber S. 



i:;i.jtj (7515). Platydema flavipes I-"ab.. Syst. Eleut, II, IsOl. ."ii;7. 



Resembles ruflvoriie but more elongate, lilack or piceous, opaijue ; an- 

 tennas 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 d.arsely on siih'^. Elj-tral punctures coarser than in 

 niflconie; intervals feelil.v convex and with more ivident punitnri'<. Length 

 4-5 mm. 



(lark and Posey ••onnties : rare. ^lay .VSejitember 2-'). 



l':'.;',7 (751S). l'E.\Tyi)EMA ELUPTicL-M Fall., .sy-t. Eleut.. II. Isiil, oi;i;. 



Elongatt-uval. I'.lack. opaque: elj-tra each with an oblique, very irregu- 

 lar reddish siMit. extending from humerus to suture. Thorax finely and 

 rather sparsely punctaTe. Elytra tinely striate, the stri;e with fine distant 

 punc-tnres. Length 5..5-7 mm. 



Southern half of State; frequent. l\Iareh 20-October 1-i. Oc- 

 curs beneath bark on fungus covered logs. 



P. amcricdnuni Lap., lenaih •'i-G.-t mm., is said by Horn to be 

 abundant in the "Northern States and I'anada." 

 I .so — 2.34<:(2] 



