CURCULIONID.E— CURCTTLIOXIN.E— BAIJINI. 1 39 



and reg"ul;irl\- arcuate, ssliji-litlv loiiiicr tliaii the prothorax ; auteiina- appar- 

 ently inserted just beyond the miililli' of tln' licak, the scape reafhiii;^' the 

 eyes, the t'unicle and clul) toj^etlier about three-tourtlis as lonj^ as the beak, 

 tile last tJu'ee joints with the faintly dcliinitcd club forniinii' 'i gradually 

 tliickenin<^ mass with joints ol' sul)i-(jual Icuj^th. I'rothorax hardly half as 

 high aji'ain as long, a little full, tapering somewhat rapidly, with no postocular 

 lobes, the surface densely and not coarsely punctate, l^iuler surface of the 

 body more sparsely and coarsely punctate. Femora punctate. Klvtra two 

 and a half times longer than broad, apically subacuminate, delicately 

 punctato-striate, the stna>, tolerably sharp and deep. 



The structure of the antenna; shows that it can not be strictly placed in 

 Centriinis, for the apical joints of the funicle pass insensibly into th(; clul*. 



LeiigTh of body, excluding rostrum, o-^"""; rostrum, 14 '; height i>l' 



b()d\', 2"4""". The specimen measured is the slenderest. 



Florissant, Colorado. Seven specimens, Xo.s. "2211), 4304, 6474, 7224, 

 7G43, 8507, 13648. 



Centrinus diruptus. 



PI. XII, Fig. 3. 



Body elongate ovate, about twice as long as broad, tapering much in 

 fmut, the dorsal curve slijrht and reirular. Head less than half as l()n"' as 

 high, with not \ery fine punctuation; eyes transversely oval, very large, 

 the longer diameter twice the width of the rostrum; funicle and club of 

 antenna' together much sliorter tiian tlie beak, the funicle si.x-jointed; ro.s- 

 trum slender, e({ual, gently arcuate, a little longer than the pmihorax. I'ro- 

 thorax al)ouf half as high again as its middle length, without postocular lobes, 

 nnich longer above than below, not very full, tapering considerably, coarsely 

 and irregularlv punctate, giving it a scabrous a])pearance, nnich subdued 

 on the under surface of the bndv, which is similarlv marked. FIvtra 

 a little more than twice as long as broad, ol».scurelv punctato-striate, the 

 apex bntadly rounded. 



Length, excluding rostrum, o""" : rostrum, 11' ; heigiit of i)ody, 2-.")""". 



Green River, Wyoming. One specimen, No. 250, Dr. A. ?>. Packard. 



