LES. 1105 



its entire leuctli. Elytra ileiiressed, tlie puncturt's ratlier fine and deep ; 

 intervals flat, finely, transversely wrinkled; sntural margin sinuate for 

 only about one-tentli its length near apex. Hind femora armed with an 

 acute tooth. Length 7-0 mm. 



Stiirke CouTity; rare. ^lay 19. Taken from leases of the yel- 

 low water-lily. ^V northern form, known heretofore from "Wis- 

 consin, ^Michigan and ^lassaehnsetts. 



D. torosa Lee, thorax nearly smooth, length 6-7 mm., is known 

 from ^Massachusetts. Illinois and Iowa. 



Group C. 



Our six members of this !?roup aiii-ee in having- the elytra 

 rounded at tip and their sutural margin distinctly sinuate near 

 apex. The form is always convex and the middle eoxa^ are sepa- 

 rated by less than their own width. 



KEY TO SPECIES OF GROT-P C. 



a. Eyes small ; size lariier. 10-11 mm. ; strongly convex. '2(y.','i. harrisii. 

 act. Eyes of normal size : smaller, not over s.ri mm. ; less convex. 



b. Thorax depressed, without basal or median line ; hind femora toothed 

 in both sexes. pusilla. 



bb. Thorax convex, punctured: liasal line distinct, median one usually so. 

 c. Thorax closely punctulate : hind femora club-shaped. 

 d. Legs' dark. 



c. Hind femora tinirhed in botli sexes; <c)lcr usually dark blue. 



20.36. EjrAEGIXATA. 



re. Hind femora toothed in male only; color metallic green or 

 blackish. 2037. metallica. 



(1(1. l-egs, reddish-yellow ; hind femora toothed in both sexes. 



203S. flavipes. 

 cc. Thorax sparsely punctured; hind fenidra elliptical; legs reddish- 

 yellow. 2039. RUFA. 



203."i {(;.124). DoxACiA HABEisii Lee, I'roc. Phil. Acad. Xat. Sri.. Y. 1S51. 

 316. 

 Elongate, robust, convex. I'iccnus bronzed; head and thorax often 

 with a cupreous tiiiLre. Antennae slender, piceons. joints often paler at 

 base; third more than one-half longer than sec.md. Thorax distinctly 

 longer than wide, scarcely narrowed behind, tubercles on sides very feeble : 

 disk densely and finely strigosely ]iunctate. Elytra with tips rounded or 

 very slightly subtruucate ; punctures comparatively fine and deep ; intervals 

 subconvex. densely rugose. Length 10-11 mm. 



Lake and Kosciusko eounti^^s: rare. June 3-June 23. Swept 

 from sedges in low moist meadows. The larue size, small eyes and 

 sinuate sutural margin of elytra distinguish this species. Leng 

 places it in the group -(nth truncate tips of elytra, since he "in- 

 cludes thus all forms that are in the least truncate or even doubt- 



