54 MATERIALS TOWARDS A HISTORY 



HEBESTOLA, Dejeun. 



170. II. NEBULOSA. 



Uniform reddish-brown, with a thin clothing of short, prostrate hair; frontal line slightly marked; pronotum 

 with confluent, impressed punctures, a dilated, abbreviated, glabrous sulcus in the dorsal line; elytra with small, 

 dilated punctures, basal angles glabrous. 



Si'" long; (elytra 4,) U wide. H. nebulosa, Dej. Cab. Le Conle. 



*HET(EMIS. 



Body slender, head produced, slightly wider than the prothorax; eyes prominent; antennae 

 slender setaceous, double the length of the body, third articulation longest, and double 

 the length of the fourth, fifth slightly longer than the fourth, subsequent ones gradually 

 longer; palpi slender, pointed: prothorax narrower than the head and elytra, cylindrical, 

 lono-cr than wide, a transverse groove anteriorly and posteriorly: elytra square at base, 

 convex above, deflexed upon the sides, subparallel, narrowed and produced posteriorly 

 in a spinose apex: feet moderate, anterior pair longest, femora robust. 



171. II. IUGLANDIS. 



Body entirely invested with short, prostrate, olivaceous hair; antennas smooth, rufous; pronotum with a 

 black, bi-abbreviated dorsal line. 5.i'" long; 11 wide. Inhabits Pennsylvania and Alabama. 



Saperda juglandis, Enoch. Mels. Cat., 7G9. Hetcemis cinerascens, Dej. Cat., p. 374. 



Head with the frontal line impressed, a black, longitudinal, triangular line above, and another behind the 

 eyes; trophi and antenna' dark rufous; eyes dark-brown, iridescent in a particular light: elytra thickly and 

 finely punctured: feet black. 



This species has been found, by Mr. Hentz, on the leaves of Morus rubra. Say's 

 description of Saperda trilineata agrees very nearly with this insect; but the two are quite 

 distinct. 



LYPSIMENA, Drjean Cat., 374. 



172. L. fuscata, Dcj. 



A drawing in Captain Le Conte's collection represents this insect as three lines long, 

 with a whitish line along the middle of each elytron, from the centre to the apex. 



DORCASCHEMA, Dej. Cat., p. 375. 

 Distinguished from lletuinis by having the apex of the elytra conjointly rounded. 



173. D. alternata, Say. (Saperda.) Journ. Acad. N. Sc, iii. 405. S. maculata, Mels. 

 Cat., No. 778. 1). 1< plocera, Dcj. A specimen found in Pennsylvania. 



17 I. D. nigra, Say. (Saperda.) Journ. Acad. Nat. Sc, v. 272. Mels. Catalogue, 777. 

 I), nigricans, Dej. Inhabits Pennsylvania. 



HIPPOPSIS, Scrville. 

 175. II. lemniscata, Fabr., ii. 330 — lineolata, Dej. Inhabits Pennsylvania, appearing in 

 July, and found upon grass, overhanging water courses. Rare. 



