AMERICAN COLEOPTEKA. 425 



nent prothoracic lobes; the tibiie are not armed at tlie apex in tlic 

 males. They are distinguished as follows : 



Anterior nuirgin of ])rotliorax dei'iily ami acutely eiiiarfjinate, elytra witli aiijrii- 



lated band of white scales. 1*1. xiii. lij;. ~~ jiii;;iilalii?<. 



Anterior margin of protliorax slightly eniarginate in the middle. 

 Larger .species, elytra suhdepressed. oblique lateral spot di.stinct. 



Tibiaj shorter, stout, widened at the apex, a — ^— shaped basal sjxit. I'l. xiii. 



fig. 23 coiiM]iii$;iiiii<MiM. 



Tibiie long ami slender, very little widened towards the a|)ix. 

 Above clothed with tine, jjriiinose pube-scence, head not silicate. 



diNtiirbaf UM. 

 Above clothed with larger white scales, intermixed with brown i>iil>escence, 



head broadly sulcate ubiiqiiiis. 



Above clothed with dark gray or fuscousscales, inverted T-sl:aped spot at 



base lau. 



Very small, elytra convex, lateral spot wanting. PI. xiii, fig. 24-Ovipeiiiiis. 



C angiilatiiN Lee. PI. xiii, fig. 32.— Broadly oblong oval, dejnessed, black, 

 antennie and legs rufo-piceous. above thinly clothed with very small, pale scales, 

 an angulated band of white scales on the elytra, underside clothed with round, 

 whitish scales. Beak a little (%) or one-third ( 9) longer than the prothoi-ax, 

 rather strongly curved, cylindrical, punctured throughout, indistinctly striolate 

 on the sides, with closely placed, short, suberect scale.s, scrobes curved, and when 

 viewed laterally, not visible at the middle, anteniue slender, in.serted about the 

 middle, funicle 6-jointed, joints 12 elongate, second slender and longer than the 

 third Joint, outer joints short, club large, elliptic. Head superncially punctured, 

 punctures large; jirothorax a little wider than long, strongly narrowed in front, 

 ocular lobes prominent, broadly rounded on the sides, transversely impressed in 

 its anterior half; apical margin elevated, deeply and acutely emarginate. lateral 

 tubercles large, a strongly curved marginal edge, extending from the latter to the 

 apical margin : dorsal sulcus wide, entire, sides and sulcus clothed with white 

 scales; disc densely and coarsely jjunctured ; scutel minute. Elytra one-third, 

 and rather sudden Ij' wider at the base than the prothorax, scarcely longer than 

 wide, slightly narrowed from the humeri three-fifths their length, then suddenly 

 rounded to the apex, jiosterior callus somewhat ])roniinent, sides feebly rounded, 

 strite impressed, wide, punctures small, more or less concealed by the scales, in- 

 terspaces convex, rugose, the angulated band extends from below the humerus on 

 the ninth interspace, obliquely and becoming wider to the sixth, then ascends in 

 a curved line to the second intersjiace to the base, some lines of white scales on 

 the declivity ; femora clavate, armed with a very small tooth, almost obsolete ou 

 the anterior pair, tibiie rather stout, a little widened at the tip, tarsi slender, first 

 aud second joints elongate, first a little longer than the second, third short, 

 broadly bilobed, fourth as long as the first joint, claws small, slender and diver- 

 gent. Length 3.0-3.25 mm.: 0.12-0.13 inch. 



% . Last ventral segment with a deep; transverse fovea, occupying the whole 

 length of the segment, middle and posterior tibise not unguiculate. 



Hab. — California. 



Two male.s, seven females, I)rs. Horn aii<l Hamilton, Mr. L Ike's 

 and Nat. ]Mu.s. coll. Dr. LeConte included in this s})ecies al.so the 



TKANS. AM. KNT. S()<J. XXllI. (54) DECKMBEK. ItiUb. 



