1062 IW.MII.N Lll. — CERAMBYCID.E. 



Tribe I. GYRTININI. 



This tribe is represented in tlie eastern United States by a single 

 eenus eontHining one species, wliich is the smallest member of the 

 snl)family: 



XLTX. Cyktints Lee. 1850. (Gr., "eonvex.") 



Head broad; eyes Kuiall, divided, coarsely p-ranulated; antenna 

 a little lonji-ei- than body, scape slender without apical cicatrix; the 

 joints each with one or two hairs near tij); lejfs stont, femora 

 strongly clnb-shaped. 



t!»(j4 (G.>S;>). Cyrtims pv(;M.i:rs ITiild.. Triiiis. .\iner. Phil. Soc. X. 1S47. 42. 

 Elongate, subcyliiulrical. Dark I)ni\vii: anleniial joints annnlatc witli 

 yellow; elytra with a ti-ansverse blotch of white pnbescenee before the mid- 

 dle. Thorax snbeylindrical, eonstricled at base, very convex, sninoth. Ely- 

 tra convex, wider l)ehind, nearly snuxith, each with a lar.^o acnte siiine near 

 the scutellinn. Length 2-;! nnn. 



Posey Connty; rare. June 5. Occurs on dead branches of oak 

 and is probalily frequent throuii'hout the State, but overlooked on 

 account of its small size. 



Trilie II. I'SEXOCEltlNI. 



Also represented by a single genus and very small species occur- 

 ring from the Atlantic States to Nebraska. 



L. Ph^ENOCERTR Lee. 18^0. (Clr., "cynips + horn.") 



In addition to characters given in key this genus may be known 

 by having the antenna' shorter than body, scape rather stout, with- 

 out cicatrix; third and fourth joints equal, longer than the others; 

 tarsi wider than in Ciirtiuuft, the last joint rather long; claws 

 Avidely diverging, not divaricate. 



lOOo (fi3S4). PsKNOcEurs srpERN0T.\Trs Say, Jourii. Pliil. Acad. Nat. Sci. 



II, 1824. 425; ibid. II. 200. 



Elongate, cylindrical. Dark reddish-brown or blackish. 



densely and rather coarsely pnnctured; scntellum, a narrow 



obliiine band abont the middle and a wider cnn^ed band, not 



reaching sntnre, on apical tliird, clotlied or composed of 



white pubescence. Thor.-ix cylindrical, convex, constricted at 



base. Elytra cyliodrical. cacli with an oval obtuse elevation 



Fig. 4r)3. • L'. ncai- 1h(> sculcliuin. Lcn^lh :'.-<; mm. (Fig. 4r»n.) 



(Ahn WirkliaiTi.) ' 



Throiiglioiit the State; (M)mmon. April 28~July 

 2i). The lai'va' dwell in the stems of grape, currant, gooseberry 



t 



