[September 1883 BULLETIN BROOKLYN ENTOM. SOC VOL. VI. o3 
the base. Fiytra deeply striate, the mtervals flat. Metasternal episterna short, scarcely 
longer than wide in front. Length 8.5 to 11 mm. 
This is the largest and most robust in its facies ot any species in our fauna. 
Occurs in Arizona. 
D. amenus Lec. New Species 1863, p. 14. 
‘Body beneath, head and thorax rufo-piceous, elvtra with bluish surface lustre. 
Thorax narrower at base than at apex, the margin narrowly depressed and reflexed 
posteriorly with a few punctures along the base. Length 8.5 mm. 
The slender form and style of coloration render this sBeeics at once the prettiest 
and most easily known of the genus. 
Occurs in Utah and New Mexico. 
‘The genus Discoderus belongs to that series of the Harpalide Carabidze in which the 
afiterior tarsi of the male are not dilated. The males however, have the middle ‘tibize 
more curved than the females and denticulate within. The last ventral segment of the 
males has but one setigerous puncture on each side of the anus while the females 
have two. 
or 
ACONODERUS /¢. 
(a without gonos angle dera neck.) 
See Leconte Notes on the Species of Agonoderus etc. Proc. Ac. Phila. 1868. p. 373. 
Body stouter and more convex, thorax transverse, quadrate oval. 
Hind angles of thorax much rounded. 
Pale yellow above, thorax with two discoidal spots, scutellar stria long, elytra with 
two dark stripes, separated by the sutural terval ; dorsal punctures distinct 
1, lineola Fab. 
Dark testaceous or piceous, narrow margin of thorax and broader one of the 
elytra pale ; scutellar stria shorter, dorsal punctures wanting 2, infuscatus De). 
Rody more elongate, less convex ; thorax scarcely wider than long, subtrapezoidal, 
more or less distinctly narrowed behind ; elytra with one dorsal puncture. 
Larger species, color pale, elytra with a wide black stripe, divided by the suture ; 
disc of thorax frequently with a large black spot, head always black 
3. pallipes Fab. 
Smailer species. 
Head black, scutellar stria distinct. 
Thorax pale, body beneath dusky 
Basal impressions well marked with a few coarse punctures, elytra with broad 
dusky stripe or cloud, divided by the sutural interval thorax dusky beneath 
4, partiarius Say. 
Basal impressions less marked and more sparsely punctured, elytra dusky 
with suture and margingpale ; thorax and sometimes abdomen pale... ... 
5. pauperculus Dej. 
Thorax with a large blackish spot on disc ; elytra blackish with suture and 
HMA WESAKGTOMS Lid Sloe ANG o rie occ wie ENS se Reinet 6. indistinctus De}. 
Head pale of the same color as the thorax, body beneath testaceous, or ferrugi_ 
neous, not blackish, scutellar stria short or wanting. 
