CERAMBYCID.E 339 



the middle. Length (cf) n.o mm.; width 3.0 mm. Without 

 indication of locality in the Levette collection., sinuosus n. subsp. 



B Similar to the preceding but broader, without trace of the tumid 

 median thoracic spot, the black area of the elytra similar, except 

 that the abrupt angular contraction begins only a little before the 

 middle of the length, the acute angular prolongation extending 

 only to basal fourth. Length (cf) ii-3 mm.; width 3.4 mm. 

 Kansas retractus n. subsp. 



C Nearly similar in form but with shorter elytra, these being scarcely 

 more than twice as long as wide, the prothorax as in pulchellus 

 and the two preceding, except that the hairs, as also those of the 

 head, are longer, coarser and of a fulvous color; antennae and 

 black area of the elytra as in typical pulchellus. Length (cf) 10.8 

 mm.; width 3.2 mm. New Mexico (Las Vegas). 



vegasensis n. subsp. 



My two representatives of pulchellus, described above, are from 

 Kansas and New Mexico and may not be exactly the same as the 

 Bitter Root Valley, Montana, types of LeConte; they however 

 fill the short description exactly. 



The two following, while allied to pulchellus, are certainly distinct 

 specifically: 



Crossidius debilis n. sp. Similar to pulchellus throughout in coloration 

 and marking and in the thoracic vestiture, but more slender, the antenna? 

 very slender and not longer than the body, the prothorax less transverse, 

 more globular, but little wider than long and with the acicular lateral ex- 

 tensions of the basal margin much longer and more conspicuous, extending 

 as far laterally as does the arcuate median part. Length (cf) 9.0 mm.; 

 width 2.6 mm. Kansas. 



The very slender and shorter antennse, similar in structure but 

 with all the joints shorter, the less transverse prothorax, with very 

 prominent extensions of the basal margin and the more slender 

 form of the body, will serve to distinguish this species from pul- 

 chellus. 



Crossidius lanaticollis n. sp. Coloration of the body and vestiture as 

 in pulchellus, except that the form is more slender, the antennse (9) 

 longer, only a fifth shorter than the body, the prothorax similar in form 

 but with the punctures less coarse and much denser, the hairs very much 

 longer, dense and very conspicuous, concealing the sculpture; elytra 

 with the base more extensively black, the discal spot similarly parallel 

 but more extended, separated from the basal black area by a narrrow 

 transverse sinuous line, its anterior prolongation not angular on the suture 

 but bilobed at tip, its posterior margin retreating from the elytral edge, 

 then abruptly parallel with the suture to the apex, which is less broadly 

 involved than in pulchellus. Length (9) 10.0 mm.; width 2.8 mm. 

 Unlabeled in the Levette collection. 



