TRIBE XVIII. BARIXI. 379 



and tending to coalesce obliquely; prosternal processes very 

 feeble elevations of the front margin of coxal cavities. 



575. MODESTUS. 



cc. Beak very slender, antennae inserted far behind its middle; elytra 

 evenly and rather densely clothed with pale scales; prosternal 

 processes of male long, slender, feebly curved horns; smaller, 

 not over 2.7. mm. 



e. Scales of upper surface elongate, slender, usually of a dirty 

 yellow hue; body robust; basal joint of funicle almost as long 

 as the next four in the female. 576. PICUMNVS. 



ee. Scales of upper surface more broadly oval, white; body smaller 

 and narrower; basal joint of funicle shorter, about as long as 

 as the next three in female. 577. ALBOTECTUS. 



lib. Front coxa? widely separated; beak rather slender, antennas in- 

 serted at or behind its middle. 

 /. Beak long, slender, about one-half the length of body. 



a. Upper surface clothed with white and darker scales intermixed; 

 elytra with two small, subapical dark spots. 



578. GRISESCENS. 



gg. Upper surface clothed with scales of a uniform color; elytra 



without subapical dark spots. 



Ji. Surface black, densely clothed with whitish scales; scutel- 

 lum flat, sparsely scaly; length 3.7 4 mm. 



579. PERSCILIVUS. 

 lili. Surface pale brownish-yellow, the scales dirty yellow; legs 



pale reddish-brown. 580. CLARESCENS. 



//. Beak short, thick, barely as long as head and thorax, cylindrical, 

 nearly equal in diameter from base to apex; elytra reddish- 

 brown, thinly clothed with narrow clay-yellow scales, with a 

 few widely scattered larger white ones; length 2.5 2.7 mm. 



581. PERSCTTUS. 

 aa. Male without process or other sexual modification of prosternum; 



scape almost reaching the eye. 



i. Elytra each with two or more spots of dark scales near apex; front 

 coxse rather widely separated; body densely clothed with dull 

 yellow scales; antenna? inserted behind the middle of beak in 

 both sexes. 582. PENICELLUS. 



ii. Elytra without dark spots near apex; front coxa? separated by only 

 one-third their own width; antenna? inserted beyond the middle 

 of beak. 583. FALSUS. 



574 (8921). CENTBINUS. L^EVIROSTRIS Lee., 1876, 309. 



Oval, robust, convex. Dark reddish or chestnut brown, shining; an- 

 tennae, tibiae and tarsi paler; above rather thinly clothed with small, 

 slender brown and larger elongate-oval pale scales, the latter covering 

 the sides and middle of basal half of thorax and condensed along the 

 first, fifth and seventh intervals of elytra; beneath densely clothed with 

 large white scales. Beak as long as head and thorax curved, tapering, 

 deeply rugosely punctured and scaly on sides near base, elsewhere nearly 

 smooth and glabrous; antenna? inserted just behind its middle, male, 

 at basal third, female. Second joint of funicle one-half as long as first, 



