THE LONCMIORNED W( )()D-BORTN(J BEETLES. 



1017 



VII. PHYSOCNEMUM Hald. 1847. (Gr., "bladder + leg.") 



To this genus belong two species having the femora strongly 

 club-shaped; antenna." 11-joiiited, longer than the body and taper- 

 ing to the end in male; as long as body and almost filiform in fe- 

 male, the humeri prominent and rectangular. One of the two oc- 

 curs in Indiana. 



18X3 (5988). I'HYsorxEMr.M HREVILINEUAI Say, 

 Joum. Phil. Acad. Nat. Sci., Ill, 

 1824, 413; ibid. II, 194. 



Elongate-oblong. Black; elytra bluish-black, 

 shining, each with three short raised whitish lines 

 on middle third placed side by side, the inner one 

 slightly oblique, usually a fourth line in front of 

 the middle one of these. Thorax subglobose. with a 

 rounded tubercle each side near the middle; apical 

 half and sides covered with dense, short, velvet- 

 like hairs. Elytra granulate-punctate, sparsely pu- 

 bescent. Length 12.5-1G mm. (Fig. 420.) 



Madison, Putnam and Posey counties; 

 scarce. June 11- July 1. Occurs about elm 

 trees, in the wood of which the larva? bore. 



Rhopalopus sanguinicottis Horn, length 

 15-19 mm., is known from New York and 



Ohio. Fig. 426. x 2J. (After Forbes.) 



VIII. PHYMATODES Mills. 1840. (Gr., "growth + similar.") 



To this genus belong 1(S species, all of rather small size, usually 

 bright in color and having the prosternum very narrow and 

 pointed; hind coxa? not prominent and ?iot enclosed; thorax 

 rounded, usually sparsely 'punctured and shining. Three have been 

 taken in Indiana, while two others perhaps occur. 



KEY TO INDIANA SPECIES OF PIIYMATODES. 



<i. Elytra without narrow cross-bands. 

 1>. Thorax yellowish; surface metallic. 



c. Larger. 12-1.". mm.: elytra and legs yellow more or less marked 

 with blue. 1SS4. VARIABILIS. 



cc. Smaller, 5-9 mm. 



'/. Elytra blue, antennre dark. iss.". AMCENUS. 



(/(/. Elytra piceous. Livinrs. 



hit. Thorax dark; elytra of lighter shade before the middle; length 9- 



12.5 mm. mxiiDiATUS. 



(/*/. Elytra with two narrow white or yellowish cross-bands; length 0- 



9 mm. 18S(i. VARIUS. 



