CURCULIONIDES. 271 



HYPSONOTUS Germ. 



1. H. alternatus. — Body piceous, nearly covered with pros- 

 trate brown hairs : elytra with the striae simple impressed, the 

 hairs upon them forming alternate whitish and brownish spots ; 

 a more obvious white spot near the tip of each elytron ; front 

 and rostrum with an impressed line; thorax with the punctures 

 [11] large and close set, concealed by the hairs, with a longitudinal 

 raised line; thighs beneath near the tip cmarginate. 



Length less than half an inch. 

 Inhabits the North-west Territory. 

 [Belongs to Alophus. — Lec] 



2. H. imbricatus nob. (Liparus) Journ. Acad. Nat. Sc. 

 [Is an Epicacrus according to Shonherr. — Lec] 



LISTRODERES Schonh. 



1. L. caudatus nob. (Rynchaenus) Journ. Acad. Nat. Se 



2. L. squamioer. — Body covered with minute brownish cine- 

 reous scales: rostrum with a carinate line; thorax with scattered 

 punctures ; not flattened ; scutcl yellowish or whitish, elytra with 

 punctured strife towards the tip concealed by the scales ; the 

 united tip obtusely rounded ; humerus obtuse. 



Length from two-fifths to half an inch. 

 Inhabits Arkansaw. 



Much like caudatus nob., but in that species the humeral line 

 is carinate and acute. 



3. L. PORCELLUS. — Body blackish rufous, "with numerous 

 short, robust, upright hairs ; rostrum broad and rather short. 

 with somewhat elevated lines and wide indentation at base : 

 thorax subcylindi'ic : elytra with a wide impressed stria), in 

 which are transverse punctures; a paler submarginal lini 



side and terminal spot ; feet dull rufous. 

 Inhabits United States. 

 Length over one-tenth of an inch. 



4. L. sparsus. — Body dull drab color; with minute scales, 

 the surface with small, dense, shallow indentations; numerous 

 short, robust, upright hairs; rostrum robust, short; antennae 

 rufous: thorax somewhat rounded; scutel small, trans'. 



