NOKI'H AMKRICAN COLEOPTKRA. 159 



aud soniewliat sliiiiiiifi Vieyond, a sniootli median line, coniiueiicinp about one- 

 third from the base and reacliing the apex, very finely striate each side, scrobes 

 scarcely oblique: female, same as in the preceding species; basal tufts prominent, 

 incision deep. Anteunse inserted two-fifths from the apex ( % ), or a little behind 

 the middle ( 9 )• second joint of funicle nearly twice the length of the third. 

 Head finely rugulose, front scaly, shining when denuded of scales. Protliorax 

 fully one-half wider than long, narrowed in front, broadly rounded on the sides, 

 apex broadly constricted, posterior angles distinct, surface not coarsely or very 

 closely punctured ; a fine, impressed, median line, scales quite dense on the sides, 

 less along middle of disc, intermixed with erect, yellowish liairs or setae. Scutel 

 distinct. Elytra one-third wider at base than the prothorax, sides straight and 

 parallel for one-half their length : striae aud punctures more pronounced, inter- 

 stitial setae quite distinct, hair-like, yellowish. The white scales form a more or 

 less interrupted lino on the third and fifth interspaces and basal line on the 

 seventh, giving a subvittate appearance, rest of surface mottled with spots of 

 less pale scales. Prosternum and legs as in ornatipennis. Length 2.75 mm. ; 

 0.11 inch. 



Hah. — Texas (Liiling, Wickhaiu), Kansas (Ulke). 



Varies somewhat in appearance, according to the predoniinence 

 of the paler or darker scales. In some specimens the pale elytral 

 lines, with the exception of the basal line on the third interspace, 

 are entirely obsolete. 



S. vestitlis Lee. — Elongate-oblong, black; beak, antennae, elytra and legs 

 reddish, scaly vestiture consisting of elongate, yellowish scales, without mot- 

 tling, not at all dense above, more so on the underside. Beak as long, or a little 

 longer than head and prothorax, slender, curved, of equal thickness throughout, 

 basal tufts distinct, incision not deep; in the male punctured for more than one- 

 half its length, shining near the apex, sparsely scaly from base to the insertion 

 of the antennae; female: sparsely punctured and scaly from base to the inser- 

 tion of the antennae, shining beyond ; scrobes scarcely visible when seen from the 

 sides. Antenna; inserted a trifle before ( "J, ) or behind the middle ( 9 )i slender, 

 second joint of funicle nearly twice as long as the third. Head rugulose, with 

 a few sc^attered punctures aud scales. Prothorax a little wider than long, slightly 

 narrowed anteriorly, not constricted at apex, broadly rounded on the sides, not 

 densely or coarsely punctured, each puncture bearing a suberect, piliform scale, 

 scales more closely placed along tlie median line and on the sides. Scutel dis- 

 tinct. Elytra two-fifths wider at the base than the prothorax, nearly straight 

 for fully one-half their length, then obliquely narrowed to the apex, rather 

 coarsely striate, finely aud remotely punctured, third interspace wider at the 

 base, interstitial setae erect, long, conspicuous, scutellar space and along the 

 suture dusky. Prosternum not very deeply eniarginate, postocular lobes feeble. 

 Thighs rather strongly clavate, tibise not very slender, widened at tip. terminal 

 hooks small, but distinct ; articulating surface of posterior tibiae widely open aud 

 obliquely ascending externally, the claws are long, divergent and connate at the 

 base only. Length 2.0—2.75 mm. ; 0.08—0.11 inch. Plate vii, figs. 9c and 20. 



Hal). — Dakota, Colorado, Kansas, Montana. 



All ea.sily recognized species ; closely allied to and readily cou- 



TRANS. AM. KNT. SOC. XXI. MAY, 1894. 



