8G FAMILY II. CAPwVBIDzE. 



114 (440). Taciiys coRRrscus Lee. Ami. Lye. Nat. Hist., IV, 1848, 472. 

 Rather slender, subdepressed. Uniform black to piceous, rarely dark 



reddish-yellow ; antennae fuscous, the basal joints paler ; legs pale yellow. 

 Thorax subquadrate, about one-half wider than long, as wide at base as 

 apex; sides curved in front, ohliciue near base; hind augles obtuse, not 

 carinate. Elytra each witli a sntnral and one to three feebly impressed 

 doi'sal striie, and witli fnur In six long, pale, erect hairs near the tip. 

 Length 2.2-2.7 mm. 



Soutliern half of State ; frequent ; rare in the northern coun- 

 ties. April 18-()eto1)er 17. The elytra are often more or less iri- 

 descent. The uniform dark color and pale legs, taken in connec- 

 tion with the other characters, render its identification easy. 



115 (470). Tachys ephippiatls Say, Trans. Amer. Phil. Soc IV, 18;U. 



4.39; ibid. II, 553. 

 Klnngate. slender, convex. Pale brownish or reddish-yellow, shining; 

 elytra with a large, common dark brown spot on middle and usually a 

 sni.-iller indistinct one near the scutelluui ; antenme and legs dull yellow. 

 TlKirnx snbcordate, narrovt'er at base than apex, widest before the middle; 

 sides curved in tronl. siu\iate behind, hind angles rectangular. Elytra one- 

 half wider than liiorax. dorsal stria> six. moderately deep, punctured. 

 Length 2.5-^.2 nun. 



Southern half of State; frecjuent. April 12-September 3. Oc- 

 curs on damp sandy spots along the nuu'giiis of streams ; also taken 

 by sifting in early spring. 



Tribe V. POGONINI. 



Small or medium sized beetles, having the antennae slender, aris- 

 ing from under a feelile frontal ridge, the first two joints glabrous ; 

 labrum short, truncate or broadly emarginate; mandibles feebly 

 curved, with a bristle-bearing puncture in the outer groove ; last 

 joint of palpi not awl-shaped, the next to last not pubescent. 

 Thorax with a bristly hair on each side and at hind angles. Body 

 not pedunculate, scutellum distinct. Elytra more or less striate, 

 with dorsal punctures present. Hind coxfp slightly separated by 

 the mesosternum. Front tarsi of males with two joints dilated and 

 covered beneath with small scales. 



Four genera represent the trilie in the United States, three of 

 which occur in Indiana. 



KEY TO INDIANA GENERA OF POGONINI. 



a. Terminal joint of palpi mure or less cylindrical and obtuse at tip, that 

 of the laliial palpi as long as the preceding; head more or less con- 

 stricted or transversely impressed behind the eyes. 



XX. Patrobus. 



