CERAMBYCHXE 325 



with small decumbent ochreous hairs; front short, densely, evenly 

 punctate and dull, the median line very obsoletely impressed; an- 

 tennaa (9 ) testaceous, the scape black, the joints black toward apex, 

 two and a third times as long as the body; prothorax very trans- 

 verse, more than twice as wide as long, much wider than the head, 

 distinctly narrower than the elytra, the sides feebly subangulate at 

 the middle, thence straight and oblique to the apex, the spine narrow, 

 acute, abruptly spiculiform, at basal fourth; surface strongly, 

 moderately closely punctate, the four black spots as usual; elytra 

 not quite twice as long as wide, parallel, rounding obliquely behind, 

 the apical angle acutely dentiform, the humeri rounded; surface 

 with well separated moderate punctures, coarser and close on the 

 clouded flanks; spots deep black, sparse and moderate in size, 

 becoming much larger and subconfluent behind the larger discal 

 spot, each elytron with the two slightly elevated discal lines of denser 

 and paler hairs very distinct; legs moderate. Length (9 ) 4-7 mm.; 

 width 1.65 mm. Rhode Island (Watch Hill), Wirt Robinson. 



lentiginosa n. sp. 



Basal joint as long as the remainder or longer, especially in the male. .6 



6 Interspaces between the pronotal punctures smooth and highly 

 polished and also with a regular system of minute clear-cut punc- 

 tulation; elytra uneven. Outline moderately stout and subparallel, 

 feebly convex, black or feebly picescent, the flanks rufescent; legs 

 black, the femora pale rufous except apically; pubescence close, 

 minute as usual and cinereous; front slightly shining, broad, the 

 fine stria obsolete anteriorly, the punctulation fine and dense; 

 antennae (cf) black throughout, two and three-fourths times as 

 long as the body; prothorax broad, fully twice as wide as long, the 

 spicule rather long and slender, at basal fifth or sixth; sides arcuate, 

 oblique anteriorly; surface mostly denuded in the type but finely, 

 sparsely punctate, with a small feeble convexity at each side of the 

 middle anteriorly, on which the punctures are wanting; elytra 

 slightly though evidently wider than the prothorax, short, three- 

 fifths longer than wide, parallel, obliquely rounding at the sides 

 posteriorly, the angle dentiform but with its apex rather blunt; 

 surface broadly, transversely depressed near basal third and each 

 with traces of two fine and feebly elevated lines medially, moder- 

 ately but unusually closely punctate, very closely so toward base, 

 the spots moderate, unevenly distributed, the posterior spot trans- 

 verse, attaining the acute but scarcely cariniform line of flexure, 

 the flanks uniformly dull rufous, strongly and closely punctate; 

 femora strongly clavate. Length (cf) 5.0 mm.; width 1.9 mm. 

 Colorado (Boulder Co.) montana n. sp. 



Interspaces finely and feebly, confusedly rugulose and less shining; 

 elytral surface even 7 



7 Front not evenly, very densely punctate and dull as in lentiginosa 

 but shining, with the punctures simple, not dense and at most 

 feebly asperate, the interspaces smooth. Body unusually stout, 

 fuscous, paler and rufescent on the flanks, black beneath, the 

 vestiture fine, close, dusky-cinereous; legs blackish-piceous, the 



