698 



F VMILY XXXVI. 



II. S.vxn.M.rs Knoch. 1801. (Gr., "slipper or sandal.") 



Mandibles large, stout, prominent and toothed on the inner 

 side near base; antenna 1 but little longer than head; metasternum 

 short, with wide side pieees am! large epimera. Four species are 

 known, two from Indiana. 



KEY TO INDIANA SPECIES OF SANDALTJS. 



(i. Thorax obtusely subaugulate behind the middle; elytra but little wider 

 than thorax. KI2.J. PETROPHYUS. 



mi. Thorax regularly conical; elytra distinctly wider than thorax. 



1320. NIGER. 



(4021). 



SANDALUS PETROPHYUS Knoch.. Xeue I'.eytr.. 1S01, 131. 



Elongate, subconvex. D a r k 

 chestnut brown to black. Thorax 

 about twice as wide as long; sides 

 with distinct, rather sharp edges, 

 snbangnlate on basal third; surface 

 densely punctate with tine and 

 numerous coarse punctures inter- 

 mingled; median dorsal line fine, 

 slightly impressed. Elytra each with 

 three faint eostaa or raised lines; in- 

 tervals very coarsely and reticulate- 

 ly punctured. Male one-third or 

 more smaller than female and with 

 the elytra narrowing, instead of 

 Leimth 12-17 mm. 



Fig. 271. a, male; 6, female. (After Horn.) 



slightly widened behind the middle, as in the latter sex. 

 (Fig. 271.) 



Marion and Putnam counties; rare. May 31-August 2. Oc- 

 curs beneath bark or on trunks of trees near clumps of red cedars. 

 Ranges from Pennsylvania to Illinois. 



K!2i; I 102:: i. SANDALVS NHJKR Knoch.. ]<><: cit.. p. 140. 



Elongate, convex. I'.Iack. somewhat shining. Thorax conical, much 

 narrowed in front; base Insinuate, sides rounded without distinct edges; 

 median dorsal line distinct: disk with a basal and two lateral impressions, 

 finely and densely punrtulate with very few coarser punctures intermingled. 

 Elytra nearly twice as wide as thorax, the costa 1 very faint or obsolete; 

 punctured as in i>rtr<>/>li i/ttx. Length 21 24 mm. 



Marion, rntnam and Posey counties; scarce. Occurs on cedar 

 or beneath cover in their vicinity; also on the lower trunks or aboil; 

 I lie roots o!' ash trees in late summer. July 14-October 1. 



