178 



[LeConte. 



1. T. lemnae Gyll., Sell. Cure, ii, 332; Duval, Gen. Col. Eur. iv. pi. 10; 

 f. 47. Rhynchcvnus lemn. Fabr., Syst. El. ii, 455; cum mult. syn. Europ. 



Detroit, Mich.; Messrs. Hubbard and Schwarz. A very small insect 

 (1.2 mm.; .05 inch), of dull black color, mottled on the elytra with gray 

 scales; antennae and feet brown. It agrees so accurately with the descrip- 

 tion and figure of the European species that I am not warranted in consid- 

 ering it as distinct. 



BBACHYBAMUS Germ. 



The species mentioned below resembles in form Bagous, but is at once 

 recognized by the last tarsal joint having but one claw; a very rare char- 

 acter, occurring in but two other genera in our fauna, MononycJius and 

 Barilepton, which have otherwise no resemblance to this genus, nor to 

 each other. 



1. B. electus Germ., Sell. Cure, iii, 331; Boh., ibid, vii, 2, 185. 

 Middle and Southern States. The specimens in my collection agree fully 



with the detailed description last cited, but the prothorax is constricted 

 near the tip, as described in the next. I think, however, that the differ- 

 ences mentioned are illusory, and that there is probably but one species in 

 our fauna. 



2. B. inceratus Boh., Sch. Cure, vii, 2, 186. 



Boston; coll. Chevrolat. Unknown to me; said to differ from the pre- 

 ceding chiefly by the second interspace of the elytra being wider and some- 

 what elevated. 



ONYCHYLJS n. g. 



The species which constitute this genus are very similar to certain 

 Bagous in form, size and sculpture, but differ by having the last tarsal 

 joint comparatively smaller, and the claws slender and smaller. They 

 also differ by having the articular surface of the hind tibiae apical, 

 and not lateral ; the edge of the articular surface is fringed with small 

 spines as in many Erirhini, and the spine at the inner side is long and 

 slender, resembling at first sight the terminal hook of Bagous. The fu- 

 niculus is 6-jointed; first joint longer and stouter, second a little longer than 

 the third; 3-6 gradually a little broader, not merging into the club. The 

 third joint of the tarsi is moderately dilated and bilobed ; fourth joint 

 extending beyond it. 



Elytra without rows of setae 2. 



Alternate interspaces with a row of distant setae 3. alternans. 



2. Body rather stout 1. nigrirostris. 



" more elongate 2. long-ulus. 



1. O. nigrirostris (Boh.) Sch. Cure, vii, 2nd, 184, (Notiodes). 



Southern and Western States; Michigan to Florida. The beak is black, 

 shining and naked in 9 ; clothed with a dense coating of small scales in $ ; 

 the anal segment frequently projects, and is visible beyond the elytra. 



