12(U FAMILV LV. TKNEBRIONID.K. 



233S (7521). 1'i.ATYDEiiA J,.EVJPI:S Ha Id., Juurn. Phil. Acad. Nat. Sci., I, 

 1S42, 101. 



Rather broadly oval. Black or piceous, shining ; elytra often brownish ; 

 anteniue and legs reddish-brown. Thorax about three times as wide at basi- 

 as long, feebly narrowed from base to apex; surface faintly alutaceous. very 

 finely and sparsely punctate. Elytra deeply striate, the strue with tine, not 

 closely placed punctures: intervals subcunvex. minutely punctulate. Length 

 .V<; nun. 



Fountain., Vigo, Crawford and I'osey counties; scarce. April 

 U-July 9. 



l>:;::!> (7.~2:'>). PLATYDI:MA MICANS Horn, Trans. Anier. Phil. SMC.. XIV, 1870, 

 383. 



Bmadly oval, Black or piceons black, strongly shining; antenna 1 and 

 tibia 1 pale reddish-brown, femora darker. Thorax more than twice as wide 

 at base as long, sides nearly straight and converging from base to apex; 

 surface rather densely and finely punctured and with a small impression 

 each side at base. Elytra with rows of moderately coarse punctures; in- 

 tervals rather densely and finely punctured. Length 3 :!.."> mm. 



Lawrence County; scarce. July 29, Several specimens were 

 taken from decaying fleshy fungi. Resembles the female of exca- 

 ratinn in color and form, but easily distinguished by the lack of 

 tubercles and more dense punctuation. Known heretofore only 

 from the Gulf States. 



*2340 (7524). PLATYDKMA PIOILABRUM Melsh.. Proc. Phil. Acad. Nat. Sci., 

 Ill, ]S4<J, 02. 



Oblong-oval. Black with a brassy or greenish tinge; antennae and legs 

 reddish-brown. Head with a shallow transverse groove in front of eyes. 

 Thorax two and a half times as wide as long, surface densely and rather 

 coarsely punctate, and with a large shallow fovea each side near base. Ely- 

 tral stride rather deep, marked with coarse punctures; intervals Hat. finely 

 but distinctly punctulate. Length 4.5-5.5 mm. 



Putnam, Vigo and Posey counties; scarce. March 4-November 

 7. Occurs especially beneath bark of elm. The oblong form, brassy 

 lustre and larger impressions at base of thorax serve to distinguish 

 this form from all its allies. 



;:: 2:!41 (7020). PLATYDKMA SIHCOSTATI-.M Lap.. Ann. Sci. Nat., XXIII, 362. 

 Broadly oval. Black, shining: antenna' reddish-brown; legs darker, 

 almost piceous. Head with a transverse impression in front of eyes. Tho- 

 rax three times as wide as long, sparsely and finely punctate. Elytral striae 

 feeble, the punctures fine; intervals flat, minutely punctulate. Length 5.5- 

 ''.5 mm. 



Throughout the Stale: common. January 11 -October 23. 



