OF AMERICA NORTH OF MEXICO. 163 



5. S. CANDIDA, dense niveo-pubescens, vittis communis tribus ab ocuHs postice extendentibus fusco-brunneis, 



antennis pedibusque ciuereis. Long. uo. 

 Fabr. Ent. Syst. 2, 307 : Syst. El. 2, 319 : Hald. 55. 

 Scqjenla Uvitlata Say. J. A. N. S. 3, 409 : Harris Ins. Mass. 89. 



Middle, Western and Eastern States. Very injurious to apple trees. 



6. S. VESTiTA, pube densa fulvo-cinerea vestita, parceque breviter pilosa, elytris dorso subdepressis punctis 



utrinque ad medium oblique sitis nigris. Long. -5 — -82. 

 Say. Long's Exp. 2, 290. 



Middle and Western States. A few years ago all the specimens of Tilia Europsea 

 in Philadelphia were destroyed by this insect ; the first joint of the posterior tarsi is 

 elongate in this and in the following species. 



7. S. PULLATA, "ground color dull rufous, clothed with short prostrate cinereous hair ; pronotum with a 



longitudinal black spot; elytra truncate;" "frontal line impressed, destitute of hair, and continued over 

 the vertex." Long. 7 lin. 

 Hald. 55. 

 Alabama ? 



8. S. CONCOLOB, nigra, dense cinereo-pubescens, thorace lineis tribus densius pubescentibus, elytris punctatis, 



breviter cinereo villosus, antennis nigro-annulatis, basi nigris, tarsis articulo ultimo brevissimo. 

 Long. -47. 



One specimen, Santa Fe ; Fendler. The last joint of the tarsi scarcely extends 

 beyond the lobes of the third joint. 



9. S. MOESTA, nigra, cinereo-pruinosa, nigro-villosa, thorace lineis tribus obsoletis cinerascentibus, elytris 



confertim grosse punctatis, antennis annulatis. Long. 47. 

 Lee. Agassiz Lake Superior, 234. 



North side of Lake Superior. The last joint of the tarsi is a little longer than in 

 the preceding; the first joint of the posterior tarsi is a little lengthened. 



10. S. FUSCiPES, nigra, subtus niveo-pubescens, supra cinereo-pruinosa, parce breviter pilosa, thorace minus 

 dense punctate, linea tenui cinerascente, alteraque laterali obsoleta, elytris dorso subdepressis, grosse 

 punctatis, antennis nigris, pedibus flavis. Long. -35 — 40. 



Say. J. A. N. S. 5, 273. 

 Stenostola fuscijxs Hald. 56. 



Middle States, on walnuts. I have never seen a female of this species. Dr. Mel- 

 sheimer thinks that it may be the male of the next. The first joint of the posterior 

 tarsi is long, in this and all the following species. 



11. S. DiscoiDEA, picea, subtus cinereo-pubescens, supra pube minus densa ochracea vestita, parce villosa, 

 capite lateribus, thorace vittis tribus densius pubescentibus, elytris dorso subdepressis, confertim punctatis,' 

 fascia utrinque, scutello, apiceque dense pubescentibus, pedibus flavis. Long, 45 — -60. 



Fabr. Eat. Syst. Suppl. 147 : Syst. El. 2, 322. 

 Middle States, on walnuts. I have never seen a male of this species. The thorax 



