Til 10 (iKOHNI) liHKTLKS. (i!) 



<hl. Elytra with the fourth stria straight. 



/. Broad, slightly depressed; thorax nearly twice as wide as long, 



not wider at base than apex. 77. CARINULA. 



ff. Robust; thorax about one-half wider than long, wider at base 



than apex. 78. PUNCTATOSTRIATUM. 



(<. Elytra without quadrate impressions; two dorsal punctures on the 



third interval. 



(j. Thorax wider at base than apex, nearly twice as wide as long; 

 color bronzed, shining. KOBUSTICOLLE. 



!/</. Thorax not wider at base than apex. 



li. Feebly convex; elytral stria 1 deeply punctate, the punctures not 



greenish ; legs bronzed piceous. 70. COXENDIX. 



////. More robust; elytra less deeply striate, punctures greenish: legs 



pale brownish-yellow. 80. CONFUSUM. 



74 (4LM). I'.KMinnirM L.-EVIGATUM Say, Trans. Amer. L'hil. Soc., II, 1823, 



84; ibid. II. 4!>!>, 550. 



Robust, convex, (ireen or bronzed, shining; antenna 1 fuscous, the basal 

 .joints and legs dull yellow, the femora darker; under surface nearly black. 

 Thorax subquadrate, more than one-half wider than long, sides broadly 

 curved from apex to behind middle, thence sinuate to b ise. margins re- 

 flexed; hind angles rectangular and cariuate; disk smooth, the basal im- 

 pressions broad and deep. Elytra less than one-half wider than thorax, 

 the strife coarsely punctured but not impressed. Length 5.5 7 mm. 



Southern half of the State ; frequent in sandy localities. April 

 15-July 28. 



75 (313). BEMBIDIUM NITIDUM Kirby, Faun. Bor. Amer., IV, 1837, 55. 



Robust, slightly convex. Black or blackish-bronzed, strongly shining. 

 Tin. rax subquadrate, about one-half wider than long, distinctly wider at 

 base than apex; basal impressions broad, bistriate; hind angles rectan- 

 gular, finely carinate. Elytra slightly wider than thorax, finely striate- 

 punctate; the first, and sometimes the second stria 1 entire, the others ab- 

 ! reviated behind; intervals fiat. Length 5-0.5 mm. 



Taken in small numbers by "Wolcott near Indiana Harbor, Lake 

 County. April 23-May 13. A member of the boreal fauna. 



70 (308). BKMBIDITM IX.EQTALE Say, Jonrn. Phil. Acad. 

 Nat. Sri., III. 1S^:!. 151; ibid. II. !)7. .'.I'.). 



Bronzed, shining; antenna? piceous, the basal joint pale 

 red; legs blackish-green, femora at bast 1 and tibi:e more or 

 less dull yellow. Thorax with sides curved from apex 1 > 

 behind middle, sinuate in fr< nt of hind angles, which are 

 subacute, not carinate; disk finely alutaceuus, median line 

 dee]), basal impressions small, deep. Elytra more than one- 

 half wider than thorax, alutacemis. deeply striate. the stria- 

 punctured; intervals convex, the third to sixth mure or 

 less sinuate or irregular. Length 4.7 5.5 nun. (Fig. 4!>. ) Fis. 49. (Original.) 



Southern half of State : frequent. April 12-Oct. 17. 

 B. lifforulc- Oliv., coppery or ^reenish bronze in hue and 5-6.5 



