158 SUBFAMILY X. CURCULIONIN^E. 



c. Scales of thorax not larger than those of elytra; tips of female 



elytra not prolonged; length 6 9 mm. 



d. Beak stout, strongly carinate and sulcate; thorax with larger 

 and smaller punctures intermixed. 203. SULCIROSTRIS. 



(Id. Beak more slender, slightly carinate and sulcate. 



e. Frontal fovea obsolete; form more elongate. 204. NEBULOSUS. 

 ee. Frontal fovea deep; form less elongate; disc of thorax, at 

 least of female, with median impression on apical third. 



205. FRONTALIS. 



cc. Scales of thorax distinctly larger than those of elytra; tips of fe- 

 male elytra separately prolonged; length 4.2 6.5 mm. 



206. APPENDICULATUS. 



l>l). Tliorax not longer than wide, deeply, coarsely and densely punc- 

 tured. 

 f. Sides of thorax broadly rounded. 



g. Scales of thorax much larger than those of elytra; tips of female 



elytra separately acuminate or slightly prolonged. 

 h. Thorax as wide as long; scales of elytra uniform yellowish; 

 last ventral of female not impressed; length 5.5 6 mm. 



207. FLORIDENSIS. 



hit. Thorax distinctly wider than long; scales gray or fuscous; last 



ventral of female with a broad deep impression ; length 6.2 



8.5 mm. 208. PALVSTKIS. 



gg. Scales of thorax not or but slightly larger than those of elytra; 



tips of elytra in both sexes conjointly rounded; last ventral of 



female not or feebly impressed. 



i. Beak subcylindrical, feebly carinate and sulcate; frontal fovea 



faint. 



;'. Scales of upper surface mostly dirty brown, but more or 



less varied in hue, giving the elytra a mottled appearance; 



intervals feebly convex. 209. LATIUSCULTJS. 



jj. Scales of entire upper surface with a reddish or coppery 



tinge; elytral intervals flat. 210. RUDIPEXMS. 



ii. Beak strongly carinate and sulcate; frontal fovea deep. 



211. IJIPRESSIFRO^S. 

 ff. Sides of thorax strongly rounded; length 6.7 mm. 



212. CRIBRICOLLIS. 



aa. Head clothed with rounded scales; length 5 5.7 mm. 



7c. Setae long and clavate; thorax with scales larger than those of elytra, 

 its sides strongly rounded, not sinuate. 213. SETOSUS. 



kk. Setse of ordinary length; thorax with scales not larger than those of 

 elytra, its sides broadly rounded, feebly sinuate at middle. 



214. DEBILIS. 



203 (8449). LISTROXOTUS SULCIROSTRIS Lee., 1876, 132. 



Elongate-oval. Black, rather sparsely clothed with small, rounded, 

 dirty-brown scales. Antennal club indistinctly annulate, its basal joint very 

 large. Beak stouter than usual, with the ridges and grooves prominent, 

 so as to appear tricarinate and quadrisulcate. Thorax with sides straight 

 to beyond middle, thence gently converging to apex; disc densely and 



