THR SAP-FEEniNG BEETLES. 



645 



FiMiikliii ( 'uuiity : sciin-c. Mii\- ]'■'>. Orciirs on llnwci-s of iicHlc 

 ;iii(I oilier phmts. 



Tribe IV. CYCIIRAMINI. 



Roniuled or oval convex s])e('ies. liviiisr nioslly in hiniii ;ni(l tiav- 

 intr tlie Ihocax nipvu-ined a1 base and covcriiiii' llie base ol' elylfa. 

 wliieli in Inni rover tlie abdomen. s(t as to leave only the tip of th<' 

 (eianinai seiiiueiit exposed; head more or less deflexed ; labruia dis- 

 tinel; prostei'inun more or less i)roloii<ied at apex. Four of the 

 six genera eomi)osin<i- the tril)e have l)een tal<en in the State. 



KKY TO I.MIIAN.X UICNERA OK (Yi O KA M I M. 



II. MesosteniuiM pret iilier.-uit in I'nnit : middle coxie widely sepanited. 

 h. Body ^'lalii'eus: imuctures d' elylra in rows; pi'ostornuni prolonj^ed, 

 broadly dilaled a1 tip. coverin.ir enlirely the niesosternuni. 



XV. I'siLorvcA. 



?)?*. \\in\\ pulies.-iMii : pnnetnres of I'lytra confused; ]ir(islernnni less i)ro- 



lon,i,'ed. feelil.\- dilaled at ti|i. not coverin.i; entii-ely the niesosternuni. 



XVI. .VMPlIK'HOSSrS. 



(7(7. Mesosteniuni sinall, (ihli(pie. not protidxTant in freiit ; middle coxa' nar- 

 rowly separated. 

 c. Body .i^lahrons: hind tarsi len.Lcer tiiaii the others. 



XVII. Palloues. 

 cc. r.ody piihesceni ; all the tarsi e(]ual in len.iith. 



XVIII. CVCIIKAML'S. 



XV. I'siLOPYGA Tjee. 185:5. 



Labi'iiin prominent. dee[)ly bilobed ; antennal club abrui)t, oval, 

 three-jointed, the grooves deep. suboeiUar; base of thorax with a 

 short trnneate lobe; seutelliim large, broadly triangular; elytra 

 truncate; front tarsi dilated. ::Males with a small additional seg- 

 ment. The genus Psjjlopmia is said by Dr. Shari) to l)e distinct 

 from Oxycncmus Er. 



1242 (3742). Psilopyga histrina Lee., I'roe. Phil. Acad. Nat. Sci., VI, 

 1853, 287. 



Broadly oval, robust. Black, shining. Head coarse- 

 ly punctured. Thorax more than twice as wide as 

 long, narrowed in front, apex broadly emarginate; 

 hase curved, sinuate each side of median lobe; disk 

 sparsely, rather finely punctured, with a double row I 

 of larger punctures near the apex. Elytra as broad ^ 

 as long, each with ten rows of rather coarse punc- 

 tures; intervals slightly convex, sparsely and irregn- 

 l.arly jmnctate. Length fi nun. (Fig. 211a.) 



:\I(mtgomery County: rare. July 4. Occurs fe 24ia. (Ate Hon,.) 

 in the stink-horn fungus. 



