THE SlIORT-WIXUEB ^'AVEXGER BEETLES. -1:09 



Dirixidii K. 



In this division the imnctures of elytra are all separate and 

 distinct ime fmin another. The species are rather small and. except 

 the first two. hitrhly polished. 



KEY TO SPKCIES OF DIVTSIOX E. 



(7. Pubeseeiu^ very coarse and distinct, lirownisli-yellow on the abdomen ; 

 pnnetures crowded, the intersjinees not iiolislied. 

 h. Longitudinal .src Hives between the e.ves distinct: form slender. 



7Sf(. STYGICVS. 



hh. Longitudinal grooves absent, the surface between the eyes flat; form 

 more robust, 7!>0. egf-ni s. 



an. Pubesrence very tine and indistinct, very seldom yellow : inmctures 

 rather sparse, their intersi^aces ixilished. 

 r. Trr.iisverse eariufe of abdomen with four cusiis. 

 (1. Thorax with an impression along some part of the median line. 

 c. Thorax elongate, slender; punctures separated by at least their 

 own diameters; length 3^ mm. vixxun s. 



ir. Thorax shorter, robust: punctures very close, never separated 

 by mure than one-third their own width ; third joint of au- 

 teiuiiie much longer than fourth : length :',.2-:!.4 mm. 



C AXALICTTLATl S. 



<l(l. Thorax without an impression along the median line. 



/. First joint of hind tarsi twic-e as long as second ; length 3 mm. 



701. ARGl s. 



ff. First joint scarcely one-half longer than second; antennal joints 

 four and five equal in length, abruptly shorter than third ; 

 length 2:?. mm. iiixo";. 



cc. Transverse carinse of abdomen without cusps ; thorax not impressed. 

 (J. A'ery small, not over 2.2 mm. 

 7i. Elytra much longer than wide, sjiarsely punctured, highly pol- 

 ished. 792. JUTEXcrs. 

 1>h. El.vtra nearly quadrate, ver.v densely punctured. paupebcuu s. 

 00- Larger. iKit less than 2.s mm.: antennal joints three to six decreas- 

 ing in length. ~Q?,. morio. 



7sli (2:is:!i. Stexi s srs-oicrs sny. Trans. Amer. Phil. Soc. lY. is:14. 4."is; 

 ibid. 11. 574. 

 Rather slender. IJlack. feebly shining : rather thickly clothed with long, 

 coarse, prostrate grayish-.vellow hairs; legs and antenn.-e iiiieous. tiu-si 

 slightly paler. Head rather small, not twice as wide as long; surface l>e- 

 tiveen the e.ves nearl.v flat, densely and ciarsely punctate. Antennse slightly 

 longer than width of head, the third joint a little longer than fourth. 

 Thorax subcylindrical. widest in front of middle, one-fourth longer than 

 wide; coarsely, chisely and evenly punctured. Elytra at base slightl.v wider 

 than heart, suture one-fifth longer than thorax. punctui*ed like the latter. 

 Abdomen at base narrower than elytra, very feebly tapering to ajiex. finely 

 and sparsely punctate, the transverse carinse with four cusps. Length 3- 

 3.7 mm. 



