TRIBE V. RHYNCOLINI. 543 



Enterprise and Biscayne Bay, Fla., June 28 Oct. 11. Differs 

 from nitens by its smaller size, narrower form, coarser stride, 

 larger punctures and sculpture of beak. (Gascif.) 



852 ( ). PENTARTHRINUS A:S T ONUS sp. nov. 



Elongate, subcylinclrical, feebly depressed. Black or piceous, shining, 

 antennae and tarsi reddish-brown. Beak slightly longer than head, dis- 

 tinctly wider at tip than base, both it and head finely and closely re- 

 ticulate-punctate. Thorax narrow, subcylindrical, slightly longer than wide, 

 sides broadly rounded from base to apical constriction; disc coarsely, shal- 

 lowly and very densely punctate, except on apical fifth, which is rufescent 

 and almost smooth. Elytra one-third wider at base than thorax; sides 

 parallel for two-thirds their length: stria? deep and with rows of coarse, 

 close-set serrate punctures; intervals as in key, each with a row of minute 

 punctures. Under surface coarsely and sparsely punctate. Length 2.5 mm. 

 (W. 8. B.) 



Lake Okeechobee, Fla.; March 1 8. Beaten from dead limbs 

 of custard apple, Anonci glabra Dunal. The slender body, deep, 

 coarsely punctured stria?, peculiar sculpture of thorax and wider 

 tip of beak distinguish this from all the others. 



V. HEXARTIIRUM Woll., I860. (Gr., "six 11 -f "joint") 



Beak slightly longer and narrower than head, somewhat tri- 

 angular; antenna? very short and thick, scape short, strongly 

 clavate, first joint of funicle stout, its apex truncate, 2 6 longer, 

 subequal, closely united ; club nearly solid, oval or rounded, ob- 

 tuse at tip ; tarsi short, the third joint scarcely dilated. 



853 (9041). HEXARTIIRUM ULKEI Horn, 1873, 446. 



Subcylindrical. Piceous or dark reddish-brown, moderately shining. 

 Beak densely and finely striato-punctate; eyes small, flat. Thorax as wide 

 as long, slightly narrower in front, sides feebly curved, base slightly 

 narrower and subtruncate; disc coarsely and rather densely punctured. 

 Elytra slightly wider than thorax, cylindrical, surface feebly striate, 

 stria? with coarse punctures, closely placed but serrate; intervals flat, 

 each with a single row of fine punctures. Body beneath coarsely and 

 sparsely punctured. Front coxae almost contiguous. Length 2.5 3.2 mm. 



New York City in December, from spruce lath (Joutel) ; from 

 white pine (Zabriskie). Newark, N. J. "Found in houses in New 

 York and Washington, D. C., and introduced." (LeConte.) 



VI. RI-IYNCOLUS Germar, 1824. (Gr., "beak" -f "maimed.") 



Moderately elongate, subcyliudrical species having the beak 

 as long or slightly longer than head, robust, not or very feebly 

 curved; antennae robust, scape short, not passing middle of eye,. 



