TJIK FIKEFLll'iS Oli LKi 1 1 TN IXG BUGS. S^^O 



doi'sal surface of the abdomen; head not narrowed into a neck and 

 mandil)l(\s not toothed. But two species have been taken in Indi- 

 ana, though others donbtless occur. 



KEY TO INDIANA SPKCIES OF MALTHODES. 



(/. Thorax piceous; uext to last veutral segment of male iullated. deeply 

 and broadly excavated, its side lobes large, broad, triangular. 



1602. CONCAVUS. 



(/(/. Thorax yellow or reddish-piceous ; last ventral ot male with long com- 

 plex processes. 

 b. Last ventral ot male narrow, prolonged, cleft or nicked at tip; thorax 

 yellow. 1G03. exilis. 



l)b. Last ventral wider, parallel, cliaiineled its full length, curved up- 

 ward and forked at tip; thorax rufo-piceous. curvatus. 



1002 (4979). Malthodes concavus Lee, Proc. Phil. Acad. Nat. Sci., V, 

 1851, 346. 

 Elongate, slender. Piceous; head blackish; base of antenme and part 

 of abdomen dull yellow. Head wider than thorax ; eyes very large, convex, 

 prominent. Anteunte rather stout, reaching beyond tips of elytra, second 

 and third joints equal. Thorax one-half wider than long, sides narrowly 

 margined, impressed near front angles, which are rounded. Elytra two- 

 thirds as long as wings. Last ventral elongate, slightly nicked at tip. 

 Length 2-3 mm. 



Dubois County; rare. May 12. 



1603 (4981). Malthodes exilis Melsh., Proc. Phil. Acad. Nat. Sci., II, 1845, 

 305. 

 Elongate, slender. Dull brown ; thorax and front legs yellow ; head 

 l)lack; antennae dusky, with two basal joints paler. Thorax one-third wider 

 than long, finely margined, front and hind angles obtusely rounded, apex 

 subtruncate, base feebly rounded. Elytra two-thirds the length of abdomen, 

 separated at apex, surface finely rugulose; a small rounded smooth spot at 

 t ip of each. Antennse of male two-thirds, of female half the length of body, 

 the fourth and following joints longer than second or third. Length 2.5- 

 3 mm. 



Kosciusko, Knox, Dubois and Perry counties ; scarce. IMay 12- 

 June 8. Beaten from bushes alone!' the margins of marshes. 



M. oirvatiis Lee, piceous, head black, legs dull yellow, length 

 '^ mm., was described from Illinois. 



Family XLI. MALACIIIID.^.. 



The Soft-winged I^'lowek Beetles. 



A family of small extent, comprising small, soft-winged species 

 which ])ear a general resemblance to the Lampyrida\ but are shorter, 

 and Itave the elvtra more or loss truncate and broadest near the 



