5G MATERIALS TOWARDS A HISTORY 



*ATIMIA. 

 Body robust, partially clothed with short, prostrate hair; head small, nutant, eyes promi- 

 nent, deeply emarginate, projecting beyond the thorax; antennae subfiliform, two-thirds 

 the entire length, ( 9 ?) first articulation robust, second nearly half the length of the 

 third, fifth longest, subsequent ones subdentate, gradually shorter, eleventh fusiform, 

 pointed: prothorax wider than long, sides convex, rapidly narrowed anteriorly: scutel 

 rounded at tip: elytra curved above, narrowing posteriorly, truncate at tip: feet short, 

 ■weak; femora slightly clavate. 



190. A. TRISTIS. 



Shining black, maculate with short, prostrate, fulvous hair; feet dull testaceous. 4'" long; lj Iat. 



Inhabits Pennsylvania. Cab. Melsheimer and Le Conte. 



Head, except a bare line on the vertex, covered with hair: pronotum with fine impressed punctures, lateral 

 margins densely clothed, middle with a few hairs; scutel clothed; elytra slightly punctured, considerably wider 

 than the prothorax, with the external angles rounded, and extremely narrowed; a sutural row of yellowish dots, 

 the external portions irregularly maculated with the same colour: under parts slightly hairy. 



*ATAXIA. 



Body somewhat slender; antenna? setaceous, as long as the body, or somewhat shorter, 

 fourth articulation longest: prothorax subcylindrical, length and width equal, sides with 

 a short spine; scutel triangular: elytra rounded above, tapering gradually towards the 

 tip, which is truncate: feet slender, thighs slightly clavate. 



Resembles the genus Urocalymma, Westw., (Arcana Ent., p. 58,) in the armature of the 

 prothorax and the form of the body, but the elytra are not produced. I place it here on 

 account of its great general similarity to Saperda. 



191. A. SORDIDA. 



Pale dull-brown sericeous, upon a black ground. 6'" long; \h wide. Inhabits Alabama, 

 Head hairy, frontal line inconspicuous; eyes black; antennae slender, dull brown, hairy beneath, a narrow, 

 white annulation at the base of the articulations: pronotum and elytra with deep, dilated punctures, arranged in 

 stria 1 from about the middle to near the extremity of the latter, which is truncate: feet with numerous detached, 

 erect hairs. 



STENOSTOLA, Mnh., 192. 



192. S. fuscipes, Say. Journ. Acad. N. Sc, v. 273. 



Black, above, front and beneath cinereous white ; femora livid, tibia? and tarsi black. 



4V" long; (elytra 3j,) one and one fifth wide. Stenostola sulphuripes, Dej. Mels. Cat., No. 780. 



Vau. dorsalis. Dorsal line cinereous. 



OBEREA, Muhant, 191. 



193. O. ruficollis, 'I'u lion. Lin. ii. 316. 



Rufous; eyes, antenna, palpi, tibiae, tarsi, and wings black; elytra gray, on a black ground. 6 — 7" long. 

 [nhabits Pennsylvania and Alabama. 



This is our largest species, and may be distinct from the true ruficollis. 

 191. O. ocellata. 



Rufous, a black puncture on each side of the pronotum; elytra and eyes black. 65'" long; lj wide. 

 Inhabits Pennsylvania, Saperda ocellata, Knock. Mels. Cat., No. 772. Oberca bicolor, Dej. Catalogue. 

 Antenna' dull black, or blackish-brown ; tibiae and tarsi discoloured. Closely allied to the preceding. 



