S() I'-AMTLT IT. r.VRAlllD.T:. 



114 (440). Ta( iiys coRiiiBcfs Ler-., Ami. Lye X;it. Hist., IV, l.s4s, 472. 



Katlier slender, .sulKlei)resseil. Uuilorin black to ijiceous, rarely dark 

 reddish-yellow: antenme fusi-ons. the basal .loints paler; legs pale yellow. 

 Thorax siibqiiadrate, about one-half \A'ider than long, as wide at base as 

 •■iliex: sides curved in front, oblique near base; hind angles obtuse, not 

 carinate. Elytr;i each with a sntural and one to three feebly impressed 

 dorsal strhie, and with four to six long, pale, erect hairs near the tip. 

 Length 1M2-2.T nun. 



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

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

 descent. The nniforjii dark color and pale less, taken in connec- 

 tion \vith the other cliaracters, render its identification easy. 



11.-1 (470). Tachys ephippiatus Say. Trans. Amer. I'hil. Soc.. lA', ls:l4. 

 4:!'.l; ibid. II, 'mH. 

 Klciiigate. slender, convex. I'ale brownish or reddish-yellow, shining; 

 (4.ytra with a large, common dark brown spol on middle and usually a 

 smaller indistinct one near the scutellum ; antennae and legs dull yellow. 

 Thorax subcoidate, narrower at base than apex, widest before the middle; 

 sides cin-vcd in trout, sinuate behind, hind angles rectangular. Elytra one- 

 hair wider than thorax, dorsal strite six, moderately deep, punctured. 

 Length 2.-"i-;>.2 mm. 



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

 curs on damp sandy spots along the margins of streams ; also taken 

 by sifting in early spring. 



Tribe X. roOONINI. 



Small or medium sized beetles, having the antenna^ slender, aris- 

 ing from under a feeble 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 pedunctilatc, scutellum distinct. Elytra more or less striate, 

 with dorsal punctures present. Hind coxa? slightly separated by 

 tlic mesosternum. Front tarsi of males with t\vo joints dilated and 

 covered beneath with small scales. 



Pour -enera repi-esent the trilic in the United States, three of 

 which occur in Indiana. 



KKV 'I'O IXin.W.V OEXKKA OK POCONINI. 



((. Terminal .joint of palpi more or less cylindrical and olrtuse at tip, that 

 of the labial paliii as long as the preceding; head more or less con- 

 stricted or transvei-sely impressed behind the eyes, 



XX. I'ATKoms. 



