320 FAMILY X. I'SKLAIMlin.i:. 



cc. Thorax withdut liunc-lurcs : Mlxloniinnl cai'in.-o rather hms; elytra 

 punctured and subru.iinse. 009. kauiaivs, 



hh. ("ariute separated by a siiace wider than that between tlio sntnr.tl 

 Hues, but less than one-fourth the width of segment. 

 c. Thorax distinctly punctate; pubescence short; cariuae of fii'st dor- 

 sal nearly one-half as long as the segment, divergent and sep- 

 arated at tip by one-fourth the width of segment. cribricollis. 

 cc. Thorax not ])unctate. 



/. Pubescence short and strongly recurved ; pale reddish-brown ; 



median fovea of llmrax very small. congener. 



ff. Pubescence long, bristling and semierect; elytra shorter than 



wide; piceous, the elytra iialer. 



//. Abdominal carina' fully one-half the length of segment, feebly 



curved and strongly divergent; form less convex. 



610. RUBICUNUA. 

 !/(/. Abdominal carina' (inc-tliird the length of segment, straight, 

 less divergent ; fnnn narrower and more convex. 



Gil. GRACILIS. 



0(1. ( 'ariute of tirst doi-sal separated at I)ase by one-third or more the width 

 of segment: puliescence short and strongly recurved. 

 /(. Antenna? similar and unmodified in the sexes. 



/. Thorax strongly and closely punctured; cariiiii' of first dorsal sh rt, 

 straight and parallel. prNcTicoEiis. 



//. Thorax not punctured; body black or piceous, with bright red ely- 

 tra ; male with last dorsal -with a broad rounded notch and last 

 ventral broadly concave. corporalis. 



////. .\nteniKe dissimilar in the sexes, that of male with fifth joint strong- 

 ly (111 >. ted, the sixth scarcely longer than seventh; elytra dark red- 

 dish-l)rown. propinqua. 



(■|»T (1'.»2S). l.'KicHENBAciiiA GEMMiFER Lcc, Traus. Auicr. Knt. S .c, YIII. 

 1880, 182. 

 Dark reddish-brown; antenna?, legs and elytra paler; pubescence very 

 fine and short. Head as long as wide, the three fovejne circular and etpial 

 in size. AnfenniTe half as long as body; second joint as kmg but not as 

 thick as first; third to eighth cylindrical and subequal ; ninth obconical. 

 slightly longer and thicker; tenth lai-ger, subglobular ; eleventh twice as 

 thick as tenth, as long as the three i)receding. Thorax subglobular, strongly 

 convex, median fovea? small, deep: side ones as large as those of head; disk 

 finely, evenly but distinctly imnctalc. lOIyli-.i at base oi\e-third wider than 

 thorax, smooth except near tips; cacli with a wide shallow discal line. 

 Carina^ of first dorsjil short and s1i-ongl\ divergent, l.ength 1.4 nun. 



PiitiiMiii Couiily: I'arc. .\|»i'il 1~. 'r.-ilscn l)y siffiii<;. 



(i08 (DoSS). Kkiciie.m'.ac iiiA ca.nadkx.sis P.rend.. Trans. Amer. Ent. Soc. 

 XIY, 1S87, 20t;. 

 More slender than (iriiniiif<r. with darker body. Thorax one-third 

 broader than long, densely and ((larscly punctured, the median fovea 

 smaller. Elytra at base not wider than thorax, distinctly but luiely and 

 sparsely punctate; discal lines deeper and more distinct. Length 1.5 nun. 



