CERAMBYCID,E 295 



Louisiana and Texas, it is observed to differ not only in the form 

 of the sutural white vitta, which is limited to a very short space 

 just behind the scutellum and continued thence to the apex by 

 the ordinary small brown hairs of the rest of the surface, showing 

 that this is in no sense an effect of denudation, but in its decidedly 

 longer antennae, more cuneiform elytra, with larger condensations 

 of yellow tomentum and distinctly narrower truncature of the fifth 

 ventral segment. I have no hesitation in adhering to my original 

 opinion in regard to its specific status. 



Hammoderus Thorns. 



The following species differs from any Goes in its very stout form 

 of body, much longer basal joint of the antennae, which is smooth and 

 only finely pubescent, the hairs closely decumbent, and in the 

 broader tarsi : 



Hammoderus amplipennis n. sp. Very stout, the elytra subparallel, 

 piceous-black in ground color, clothed closely above with short coarse 

 yellowish-cinereous hairs, which, on the elytra, are interspersed with 

 numerous sparse and evenly distributed small points of denser hairs of 

 the same color, the under surface very densely clothed with slightly 

 longer and more whitish hairs, sprinkled thickly with nude points about 

 certain punctures which bear each a longer erect hair; head basally and 

 the pronotum with strong and very dense, rugose punctuation; antennae 

 in the type very slender, only slightly longer than the body, clothed 

 densely with yellowish and closely recumbent pubescence, with only a 

 very few short bristles along the lower surface of the basal joints, the 

 joints one to five more or less denuded along their upper surface, the 

 first joint long, shorter than the third but longer than the fourth and 

 much longer than the prothorax, the latter short and strongly transverse, 

 with well developed spines; scutellum densely clothed with yellowish 

 pubescence, not at all parted; elytra large, twice as long as wide, together 

 broadly rounded at apex, the sutural angles rounded, having small, api- 

 cally fine, separated punctures, coarser and strongly granose basally; 

 fifth ventral broadly sinuate at tip, with obtusely rounded angles; legs 

 and tarsi minutely, thickly pubescent, the tibiae in part denuded. Length 

 29.0 mm.; width lo.o mm. Colorado, Levette. 



Differs from tessellatus Hald., from Georgia, which also belongs 

 to this genus, in its larger size and stouter form, also in the smaller 

 and more uniformly distributed points of denser elytral vestiture; 

 these are formed each about a single puncture, which however does 

 not seem to differ much from the other punctures and does not bear 

 a longer hair. The type is probably a female. 



