THE CANADIAN ENTOMOLOGIST. 339 



NEW RHYNCHOPHORA. 



BY CHAS. SCHAEFFER, MUSEUM OF THE BROOKLYN INSTITUTE, 



BROOKLYN, N. Y. 



Cojiotracheliis iubei-ailicollis, new species. — Form and size of 



Jug/andis, but thorax distinctly tuberculate, colour more uniform grayish, 



and the post-median fascia on elytra indistinct. Head densely covered 



with ochreous and white scale-like hairs ; eyes separated by about the 



width of the beak ; the beak slender, separated from the head by a 

 sli^lt transverse impression, about as long as head and thorax and sh'ghtly 

 curved, distinctly tricarinate to about apical third, where it is closely 

 punctate ; from base to about middle the surface is sparsely clothed with 

 pale scale-like hairs ; antennae inserted about apical third, first joint of 

 funicle slightly stouter than the second, but of nearly equal length. 

 Thorax as long as broad, sides slightly bisinuate to a little before middle, 

 then abruptly narrowing to apex ; surface rather uneven, with coarse 

 punctures and four rather prominent tubercles, of which two are placed at 

 apical margin and two more widely separated at middle of disk, between 

 which the surface is convex; the vestitnre consists of ochreous and white 

 scale-like hairs, the while forming at sides a more or less distinct line from 

 base to the median tubercles. Elytra sinuate at sides a little below the 

 oblique humeri, then narrowing to apex ; punctures large and Broadly 

 confluent on the disk ; third interval with three elevated crests, of which 

 the middle is the largest, fifth interval with two tubercles, one near base 

 and a larger before middle, behind middle a costiform elevation not 

 reaching to apex, seventh interval elevated, but feebly interrupted below 

 the humeral callus, surface and crests densely clothed with appressed 

 yellowish-gray and grayish-white scale-like hairs, the pale hairs more 

 condensed at the humeri and behind the median crests. Body beneath 

 with stout yellow hairs ; raesosternum narrow between the coxte, feebly 

 impressed in front; all the femora with an obtuse tooth and small denticle, 

 tarsal claw strongly toothed. Length, 6 mm. 



Huachuca Mts., Arizona. 



This species, best placed in Leconte's division, I-A, resembles 

 juglandis in form, size and elytral crests, but differs from it, as well as 

 from any known North America Co7iotrachelus, by the strongly tuberculate 

 thorax. Of all the described Mexican species with tuberculate thorax, it 

 is perhaps nearest jiodiilosus, but tjibercuHcollis has no decumbent setae, 



October, 1906. 



