45)S FAMILY XIV. -PHAl.ACKlD.i:. 



Of these nine speeies, bolongintr to tive trenera. have been taken in 

 Indiana, while one additional irenns and two speeies may occur. 



KKY TO INUIANA GKNKKA OK rUAI-VCKlD.r. 



(J. Antenna^ iusertetl under the sides of the front, their base entirely eon- 



oeaKxl froni at>t>ve; scnteUuni hu'se; front and hind tarsi of the same 



length: spnrs of hind tibi:e very short. I. I'iial-Vcrvs. 



aa. Antenn;o inserted at the sides of the front, their base visible from above; 



scntellum small or moderate: hind tarsi elongated. 



b. Basjil joint of hind tarsi shorter than the seeond joint. 



c. Ai>e.\ of prosternal spine intlexinl. withont an aeute and free edice: 



elytra with one or two diseal stria\ the suture In'-aded ; seeond 



joint of hind tarsi of nunlerate length. II- Oubki s. 



CO. Apex of the prosternal spine with an aeute free eilge, and bearing 



a transverse row of spinules: elytra with a siitgle diseal stria. 



the suture not l>eadeil. 



(/. Seointd joint of hind tarsi elongattnl. very mueh longer than tirst 



joint, spongy pulnsoent beneath in male; hind tibial spurs long. 



very ime*itial. III. Acylomi s. 



dil. Seeimd joint of hind tarsi moderate, not more than twice as long 



as tirst. finely pubesi'eiit beneath in tn-th sexes: hind tibial 



spurs small and ineonspieui»us, IV. Ei"STH4US. 



bh. liasal joints of hind tarsi longer than seixnid ; elytra with two diseal 



stria\ 



f. Prosternal spine intlexeil at apex and without terminal spinules; 



basiil joint of hind tarsi nuuh longer than all the other joints 



together. Litochbcs. 



ic. Prosternal spine not intiexetl. the etlge free and aeute; basal joint 



of hind tarsi subtxiual in length to the next two together. 



V. OCHKOUTIS. 



I. Pii.vLACRrs Payk. 1T9S. (Gr.. "bald-head.") 



Besides the characters aboYc mentioned, the members of this 

 genus have a single diseal stria on each elytron and the head is 

 marked with four or five minute foveiv each side near the eye. 



*tXM (iOlXiK Phai..\ckis rouTis Melsh.. Proe. Phil. Acad. Nat. Sei.. II. 

 l'^4. 102. 

 Proadly oval. P.laek. nunlerately shining: legs and antenna^ paler. An 

 tenuje slender, the third joint eiiual in length to the two following uniteil. 

 Thorax twicx' as wide at l»ase as ai>ex. feebly retiettlate in wavy lines, very 

 finely and sparsely punetate. Elytra not narrowed toward tips, which are 

 very broaiUy and evenly roundeil : sutural stria ci>mplete. very fine; diseal 

 stria tine, ilistinet : disk with rows of tine, feeble punctures. Metasterual 

 pi\H-ess wide, roundeil at a|)ex and projecting far in advance of middle 

 ci^xiv: prosternal pr.Hvss nearly one-half as wide as metasterual. Length 

 l.S-2.1' nun. 



