234 SUBFAMILY X. CURCULIONIX.E. 



straight or oblique pale stripes on the sides. The species are 

 smaller, americamis being the only one over 3.5 mm. in length. 



KEY TO EASTERN SPECIES OF GROUP II. 



a. Surface everywhere clothed with fine ocellate silvery-gray scales; 



thorax not granulate; tarsi very long, slender. 



l>. Femora red, strongly clavate; larger, 3.5 4 mm. 334. AMERICANUS. 



bb. Femora black, feebly clavate; length 2.8 3 mm. 335. BLANCHABDI. 



aa. Surface without scales as above; thorax granulate; tarsi shorter and 



stouter. 



c. Elytra each with two tubercles on or near the declivity; color black 

 or fuscous; length 2.4 3 mm. 336. MAMMIIXATUS. 



cc. Elytra each with one tubercle on the declivity. 



(1. Elytra with a broad black band crossing the suture behind the mid- 

 dle; length 1.8 mm. 337. PUSILLUS. 

 dd. Elytra without post-median black band. 



e. Elytra with alternate intervals distinctly more elevated, the sides 

 and apex gray, disc with a large common triangular black 



Spot. 338. SELLATUS. 



ee. Elytra with intervals flat or subequal in convexity. 



f. Third joint of tarsi broader than second and emarginate. 

 g. Scales of upper surface uniform pale gray; length 3 mm. 



339. PLANATUS. 



gg. Scales gray and dark brown; elytra each with an oblique 

 pale stripe; length 2.3 mm. 340. OBLIQUTJS. 



ff. Third joint of tarsi narrow, not wider than second, not emar- 

 ginate. 

 h. Thorax wider than long; beak as long as thorax. 



i. Elytra mottled with pale and darker scales; thorax feebly 

 constricted in front; length 3.2 mm. 341. NEBULOSUS. 

 ii. Elytra uniformly clothed with blackish-gray or clay-yellow 

 scales; thorax one-half wider than long, strongly con- 

 stricted near apex; length 2.3 2.5 mm. 

 j. Front with a large fovea; sides of thorax sinuate; 

 antennas and legs nearly black. 342. TBANSVEBSUS. 

 jj. Front without fovea; sides of thorax not sinuate; an 

 tennse and legs red. 343. OCHBACEUS. 



hh. Thorax not wider than long; beak shorter than thorax. 

 /.-. Larger, 3 mm.; elytra black, usually covered with dirt- 

 colored scales, their stria? very deep. 



344. BITUBEROSUS. 



Jf.k. Smaller, 2 mm.; elytra with an oblique clay-yellow stripe 

 reaching from humerus to the prominent tubercle of 

 declivity; stria? fine. 345 PAUXILLUS. 



334 (8588). BAGOUS AMERICANUS Lee., 1876, 185. 



Elongate-oblong. Black or brown, uniformly covered with a crust of 

 minute round ocellate silver-gray scales; antennae and legs pale reddish- 

 brown. Beak of male stout, shining, as long as thorax, very finely punc- 

 tate; of female more slender, one-third longer, the antenna? inserted about 



