OF THE COLEOPTERA LONGICORNIA OF THE UNITED STATES. 49 



13G. A. lTXCTATUS. 



Robust, brown, densely clothed with short hair, elytra with four rows of black points. 5 mm. long; (elytra 4,) 

 •Z wide. 



Frontal line impressed, entire; antenna; with the apex of the articulations blackish: prothorax finely punctured. 

 a prominent lateral tubercle, behind which the diameter is suddenly reduced: elytra truncate, with two or three 

 indistinct costa 1 , bearing rows of black points; an obsolete cinereous spot behind the middle: femora spotted; tarsi 

 and adjoining portion of the tibue blackish: sternum yellowish hairy, with brown spots: venter blackish, witli very 

 litde hair. 



137. A. vicinus. 



Brown, densely clothed; pronotum with three tubercles arranged in a triangle; elytra truncate, with three costs; 

 bearing black points, a black macula upon the inner one behind the middle, epiplcura with a black band. 



4* mm. long; (elytra 3i,) 1| wide. A. vicinus, Dej. Cab. Le Contc. 



Head sulcate between the antennae; antenna; dull yellowish, feebly spotted with brown, and annulate witli 

 blackish at the apex of the articulations: prothorax armed laterally, a tubercle in the dorsal line posteriorly, and 

 another each side anteriorly: elytra minutely punctate, a few black points along the cosUe, and a black macula 

 near the suture behind the middle, bounded exteriorly by an obsolete, cinereous spot. 



This and the two preceding species are nearly allied. 



138. A. facettjs, Say. (Lamia.) Jotim. Acad. Nat. Sc, v. 271. Mels. Cat., No. 730, 

 741, 743. A. pumilus, Drj. Inhabits Pennsylvania, appearing in June. 



139. A. paganus, Dej. Cat. 



140. A. roNFiNis, Dej. Cat. 



141. A. glaucinus, Dej. Cat. 



IIYPERPLATYS (<Leiopus.) 



General characters of Lciopus, elytra plane above, apex separately emarginate; scutel 



triangular, apex rounded. 



Agrees with Lciopus in the re-curved spine upon the prothorax, in having incrassated 

 femora, and in several minor characters, but the entire form is depressed. 



142. II. MACUI.ATA. 



Pale reddish-brown, irregularly spotted with dark-brown, two large spots upon the pronotum, and two upon the 

 elytra behind the middle. 



21 " long. Inhabits Pennsylvania. Cerambyx punctatus and maeulatus, Mch. Cat., No. 734. Leiopus tigri- 

 nus? Drj. Catalogue. 



Yar. II. NigreUus. Black; cinereous above, spots black, 



I H. H. aspersa, Saij. (Lamia.) Journ. Acnd. N. Sc, iii. 330. Leiopus pucllus? Drj. 



Boston Collection, No. 51:5? Inhabits Missouri, Mississippi, and Alabama? 



Closely allied to the preceding, but the femora arc "reddish-brown" or orange, and 

 the spots air more regular in disposition and size. 



111.11. 11.MORAL13. 



Dull black, minutely scabrous; apex of the elytra produced in a spine cxtcriorlv; basal half of the femora 

 orange yellow. o.J mm. long; 'Z wide. Alcidion femorale, Dej. Catalogue. 



Characterized from an imperfect individual in Dr. Le Conte's cabinet. 

 vol. x. — 13 



