70 FAMILY II. CARABID.TC. 



mm. in leiioth, occurs in ('nnacla and ]\Tichigan and probably in 

 northern Indiana. 



77 (305). Bembidium carinula Chaiid.. Rev. et Mag. Zool., XX, 1868, 239. 



Broad, slightly depressed. Coppery bronze to black ; antennse and 

 femora bronzed-piceous, the tibise and tarsi often paler. Thorax with the 

 sides curved in front, deeply sinuate behind ; hind angles subacute, cari- 

 nate; disk alutaceous, finely wrinkled near base and along the median 

 line; basal impressions broad, deep, bistriate. Elytra one-half wider than 

 thorax, alutaceous, finely striate, the stri:ie finely punctate. Length 5.5-7 mm. 



A handsome bronzed form, common along the beach of Lake 

 Michigan and the larger lakes of northern Indiana; also in Craw- 

 ford County. May L3-October 2]. 



78 (304). Bembidium ri'NcTATOSTRiATUM Say, Trans. Amer. Phil. Soc. II, 



1823, 83; ibid. II, 498, 550. 

 Robust, moderately convex. Bronzed, more or less coppery; antenmo 

 and legs bronzed-piceous, the femora at base and the tibijie beneath often 

 reddish-yellow. Thorax with sides slightly curved in front, sinuate behind ; 

 hind angles prominent, acute, not carinate ; disk slightly rugose at base 

 and along the median line, the basal impressions broad and deep. Elytra I 

 strife deep and very distinctly punctate. Length 6.2-7.5 mm. 



Crawford County; rare. May 17. The largest species of the 

 group. 



B. robusticoUe Hayw., 5.7-6.2 nun. in length, is Imown from 

 Michigan, Iowa and Kansas, and doubtless occurs in northern In- 

 diana. 



79 (311). Bembidium coxendix Say, Joui ii. Thil. Acad. Nat. Sci., Ill, 



1823. 151 ; ibid. II, 97. 

 Slightly elongate, rather slender. Greenish-bronze or l>luish-l>lack, 

 shining; antennjTp, femora and tarsi bronzed-piceous : tiblte. base of femora 

 and two basal joints of antenn;^ reddish-brown. Thorax one-half wider 

 than long, sides moderately curved in front, sinuate behind ; hind angles 

 slightly prominent, subacute, very finely carinate; disk minutely alu- 

 taceous, the basal impressions broad and deep. Elytra one-third wider 

 ;than thorax, deeply striate-punctate. Length 5.5-6.5 mm. 



"Throughout the State ; scarce. April 19-September 7. Occurs 

 along moist sand bars of streams. One of the most handsome mem- 

 'bers of the genus. 



SO (311a). Bembidium confusum Hayw., Trans. Amer. Ent. Soc. XXIY, 

 1897, 52. 

 Moderately robust, convex. Bronzed, usually coppery, shining; disk 

 of elytra dull brownish-yellow ; legs and basal third of antennae pale yel- 

 low. Thorax less than oiio Iiair wider than long, sides curved nearly tn 

 base; hind angles not iironiincnt. sulM-cclangular, feebl.y carinate; disk 



