204 RHYNCHOPHORA — CURCULIONIDAE. 



Larinus, 



Elongate. Black; with gray pubescence; elytra spotted 

 with gray. Eostrum shorter than thorax, curved, cylin- 

 drical ; thorax very finely wrinkled ; elytra with punctured 

 striae, interstices broad, flat, finely wrinkled. L. 3^ 1. 

 Not common. L. carlinae, 01. 



JRJiinocyllus. 



Oblong-ovate. Black, dull ; antennae and tarsi pitch- 

 brown ; pubescence matted, yellowish-gray, in spots (espe- 

 cially on elytra). Eostrum impressed, with a distinct 

 interrupted central ridge ; punctuation close. L. 2| 1. 

 Not common. B. latirostris, Latr. 



Cleoniis, 



Oblong. Black ; pubescence rather close, gray ; thorax 

 with five white lines, (outer ones curved) ; elytra with two 

 not very distinct oblique bands bare. Eostrum with three 

 deep furrows throughout, about equal to each other in 

 breadth; thorax narrowed in front, diffusely granulate, 

 with slight central ridge in front and depression at base. 

 L. 5^ — 7| 1. Common. C. sulcirostris, 



Bothynoderes, 



A, First joint of funiculus of antennae longer than second. 



a. Vertex of head distinctly ridged. 



Black ; pubescence gray ; thorax with grayish lines ; 

 elytra with two oblique bands bare. Eostrum with a cen- 

 tral ridge and furrow on each side, ridge split between base 

 of antennae, enclosing an oblong depression; thorax slightly 

 narrowed in front, punctured in wrinkles, with central 

 ridge in front and depression at base ; elytra with punc- 

 tured striae, with irregular depressions, narrowed behind 

 (more so in female than in male). L. 5^ — 6 1. Not com- 

 mon. B. nehulosus, Lin. 



b. Vertex of head scarcely ridged. 



Black ; pubescence close, grayish-white ; elytra with 

 two bands and apical callosity bare. Vertex of head 

 scarcely ridged ; elytra with a distinct humeral callosity 

 and with deep punctured striae, somewhat pointed at apex. 

 L. 4 — 5 1. Eare. B.glaucvs, Fab. 



