SUBFAMILY X. CURCULIONINJE. 



Tribe XIII. PRIOXOMERINI. 



Small, broad, robust species, having the beak stout, not longer 

 than thorax; antenna? inserted about its middle, scape passing 

 the front border of eyes, funicle 7-jointed ; club very large, oval, 

 pointed, pubescent; eyes large, rounded; thorax without postoc- 

 ular lobes; prosternum short, not emarginate; ventral sutures 

 deeply impressed, all except the first angulated or projecting 

 backwards in a point at the sides; fifth scarcely longer than 

 fourth; legs stout, tibia* with a slender terminal hook; tarsi di- 

 lated, spongy beneath, third joint bilobed; claws appendiculate; 

 pygidium more or less visible. 



KEY TO GENERA OF PRIOXOMERIM. 



a. Beak as long as thorax, subcylindrical; tooth of front thighs large, 

 serrate. I. PRIOXOMEISTS. 



aa. Beak short, broad, flat; tooth of thighs small, acute. 



II. PIAZORHIXUS. 



I. PRIOXOMERUS Schon., 183G. (Gr., 



"saw" - "femur.") 



Head very short, eyes approximate, scape reaching their mid- 

 dle; scutellum elongate-oval; front tibia 1 strongly curved; tooth 

 of front femora much wider than long, its front edge oblique, 

 armed with six to ten small teeth. 



480 (8084). PRIOXOMEIU-S CALCEATTS Say, 1831, 15; ibid, I, 278. 



Broadly oval. Black, feebly shining; antenna? and tarsi reddish- 

 brown, club darker. Beak rather coarsely 

 and sparsely punctate. Thorax one-third 

 wider at base than long, strongly narrowed 

 in front, coarsely, deeply and very densely 

 punctate. Elytra quadrate, but little longer 

 than wide, sides parallel to near apex, 

 which is broadly rounded; stria? deeply im- 

 pressed, coarsely punctured, intervals flat, 

 densely granulate-punctate. Length 3 4 

 mm. (Fig. 87.) 



Lake, Marshall, Vermillion, Perry 

 and Posey counties, Tnd., scarce; prob- 

 ably throughout the state; May 12 

 July 22. P>eateu from sassafras. Xot 

 rare near Xew York City, May July. 

 Lake Istokpoga, Fla., Feb. 24. Range;; 

 from New England to Michigan, south 

 to Florida ; the larv.T mininir in the 



Fig. 87. A. Adult, X 10; 

 lar 



B, 



front femur, showing large ser- 

 rate tooth; C, abdomen showing 

 the ventral segments angulate at 

 sides. (Original.) 



leaves of sassafras and Lirkxlciulroii. 



The eggs are laid in the 



