THK LE\F BEKTI.KS. 11 01 



above, hut in svlililix the male is convex and the female flattened. 

 But two, <lisl uu-lti and l<n-ti, have the siitural margins sin Mate. 



KKY TO Sl'KCIKS OF GROUT E. 



a. Piiidy broad, distinctly llattoned above ; middle coxa 1 separated by jibiuit 



their own widtb. 



l>. Third joint of antenna 1 about one-ball' longer th:iii second, 

 r. Thorax finely and indistinclly punctate. 



<L Color brownish or fuscous yellow; form more slender; hind tibia 1 

 of male curved, serrate; elytra 1 punctures liner. 



2024. CINCTICORNIS. 



ilil. Color purplish-black; form broader, more robust; hind tibia' 

 straight; elytral punctures coarser, subquadrate. 



2112."). I'HOXI.MA. 



<<: Thorax coarsely punctate over its entire surface. MAGNIFICA. 



l,l>. Third joint of antenna' more than twice the length of sec:.nd. 



r. Elytra truncate at tips; first ventral segment of male simple, con- 

 vex. 



/. Front tarsi of male dilated; color greenish-bronzed; larger, !) 

 1 1 mm. 2()2('. PALMA'IA 



//. I runt tarsi of male simple; color brownish-yellow; smaller. (>- 



S 111111. 2(127. Rl'FESCENS. 



cc. Klytra subtruncate at tips, form more convex; tirst ventral of male 

 concave at middle; sides of thorax strongly tuberculate. 



2028. PISCATRIX. 

 nit. r.ody narrower, more convex above; middle coxa 1 separated by less than 



their own width. 



//. Thorax with disk even, punctate, not or scarcely tuberculate on sides. 

 //. Punctures of thorax very fine, confused and continent; third joint 

 of antenna 1 one-third longer than second. 22!>. ci RTICOLLIS. 



////. Punctures of thorax larger and distinct. 



/. Antemue and legs pale reddish-brown, the former very stout, the 

 second and third joints subequal ; thorax with coarse, trans- 

 verse wrinkles in addition to punctures. 2( >.">(>. MKGACORNIS. 

 // Antenna- and legs dark reddish-brown to piceMis, the former 



much more slender, third joint distinctly longer than second. 

 ./. Punctures of thorax coarse, uniform in size. 

 I'. Third joint of antenna' one-half longer than second; thorax 

 straight on sides. 2< >.".!. SUHTILIS. 



A7, 1 . Third joint of antenna 1 twice the length of second: thorax 

 constricted at middle. 2032. RTGOSA. 



//'. Punctures of thorax not uniform, finer mixed with the coarser; 

 third joint of antenn.-e one-half longer than second. 



POHOSICOIXIS. 

 ;/!j. Thorax with disk uneven, the sides tuberculate; elytra with two 



transverse depressions. 



I. Sutural margin of elytra straight, 20:>:i. /EQTAI.IS. 



II. Sutural margin of elytra sinuate. 



