OF THE COLEOPTERA LOXGICORNIA OF THE UNITED STATES. G3 



243. S. LURIDIPENXIS. 



Rather slender, black : head and prothorax scabrous with confluent punctures, sides of the latter subrcctilinear, 

 tapering Forwards; elytra with numerous, impressed punctures, dull yellowish-brown, apex blackish, scarcely 

 truncate; beneath cinereo-sericeous. 



% i; 9 6" long; If wide. Pennsylvania. S. luridipennis, Sef. Catalogue. 



•21 1. S. xigrella, Say, Jourii. Acad. N. Sc, v. 2T9. Mels. Cat., No. 825. 

 2 1"). C. elegans, Dcj. Cat. 



Yellow, antenna; annulate, pronotum with a dark, longitudinal spot anteriorly, elytra with the suture and a 

 medial fascia dark-brown. 7'" long. 



A drawing in Mr. Lc Conte's collection. 



246. S. AMERICANA. 



Black, head and prothorax rufous, with fulvous hair; elytra parallel, slightly obliquely truncate. 



i" long; 1.; wide. Pennsylvania. Leptura americana, Mels. Cat., No. 836. Stenura fulvicollis? Drj. Cat. 



Head rufous, eyes, antennas and maxillary palpi black, the last with the articulations tipped with yellowish; a 

 transverse, impressed line above the clypeus, and another behind the antennae, the impressed frontal lino uniting 

 them ; prothorax swelled above, very wide posteriorly, a large, transverse depression each side of the middle, on 

 the posterior margin: elytra thickly covered with piliferous punctures; venter with a fulvous tinge, and clothed 

 with fulvous hair. 



247. S. abdominalis, Dej. Cat. 



Black, venter fulvous, apex black. 8'" long. A drawing in Major Le Conte's collection. 



248. S. ltjgubris, Say. Journ. Acad. N. Sc, iii. 419. M. C, 833. Pennsylvania — June. 



249. S. lunata, Fair., ii. 3G0. Oliv., pi. 4, fig. 47. Mels. Cat., No. 834. 



250. S. ( im r \. 



Black; elytra truncate, flavous, apex, margin, suture, and an intermediate line, black; feel brownish or reddish- 

 yellow, tarsi brown; antennae annulate beyond the middle. .")'"' long; 1 wide. Pennsylvania. 



Leptura cincta, Knock — lateralis, Mels. Cat., No. 823. Stenura lineoiata, Dcj. Catalogue. 



Head sparsely covered with fine hair, particularly above, and in front of the antenna;; frontal line impressed, 

 entire; palpi and anterior margin of the labrum and clypeus, yellow: prothorax campanuliform, elevated above, 

 covered with small, piliferous punctures: elytra with dilated, impressed, piliferous punctures; sutural Striae, apex, 

 and outet m H [in bl ick, the last sometimes divided into three macula', from the posterior of which a black line 

 runs along the disk to near the base. 



Var. obsolela. Line of the disk, and black of the apex obsolete. 



Var. lateralis. Slender, (3j'" long; J wide,) line of the disk wanting, margin and apex black. 



251. S. r.iM-.oi.A,.Sr;v. Joum. Acad. Nat. Sc, iii. 421. Mels. Cat., No. 832. Post. Coll., G03. 

 Occurs from Massachusetts to Carolina, in May and June. Say found it in Mississippi. 



052. S. armAta. 



Black, elytra emarginate, exterior tip armed, a yellow, transverse Tine at the base, and extending in a villa from 

 the shoulder along the external margin posterior to the middle, interrupted near its extremity; sixth and following 

 articulations of the antenna: annulate; mouth, base of the femora, and anterior face of the first pair, yellow. 

 5'" long ; \\ wide. Pennsylvania. 



At first view tin- species might be taken for Leptura vittata, Oliv. 



