202 CURCULIONIDES. 



black : antennas rufous : thorax transverse, widely rounded before, 

 witb a scutellar lobe : scutel subquadrate with a dusky line : 

 elytra, interstitial spaces interrupted by transverse black lines : 

 feet rufous : posterior thighs black at base, armed with a spine 

 near the tip. 



Length over one-tenth of an inch. 



ANTHRIBUS F. Sch. [4] 



Subgenus Tropideres Sch. 



1. A. cornutus. — Thorax with five tubercles. 

 Inhabits Indiana. 



Head white: mandibles piceous: antennas rufous, clava fuscous : 

 rostrum moderate : eyes distant : thorax with two fascicles of 

 erect hairs on the anterior edge, and three larger ones placed 

 transversely on the middle ; elytra somewhat variegated, with 

 several fascicles of erect hairs on the interstitial lines ; and a 

 white, double, common, transverse spot before the middle ; feet 

 hairy. 



Length less than one-fifth of an inch. 



[This is A. coronatus Sch. — Lec] 



Subgenus Phaenithon ? Schon.] 



2. A. brevicornis. — Antennae short; scutel and alternate 

 spots on the elytra, whitish. 



Inhabits Mexico. 



Body black-brown : head covered with prostrate whitish hair : 

 antennae hardly longer than the head, fuscous ; thorax with a 

 transverse elevated subbasal line, rectilinear in the middle, ar- 

 quated each side, reflected at the posterior angles, and termi- 

 nating at the lateral middle : scutel white : elytra striated : inter- 

 stitial spaces convex, with alternate blackish and whitish spots; 

 humerus prominent, and a prominence on the middle of the 

 base : feet obscure piceous. 



Length less than three-twentieths of an inch. 



The tip of the club, exhibits the appearance of a fourth joint, 

 which however is much smaller than the others; the eyes are 

 emarginate. These characters justify the formation of a distinct 

 subgenus. 



