CERAMBYCID/E 211 



9 Elytra with an unusually wide oblique apical truncature, this being 

 more than a third as wide as the elytron at three-fourths from the 

 base, the sutural angle minutely dentiform, the elytra very much 

 more gently and feebly tapering posteriorly than in the females of 

 the three preceding, where the truncature is relatively very much 

 narrower. Female type black, with wholly ferruginous elytra, 

 legs and antennae, the abdomen black, with the basal parts of the 

 segments obscurely rufescent, wholly ferruginous apically; head, 

 eyes and antennae nearly as in the preceding; basal joint of the latter 

 but little more than twice as long as wide; prothorax but little 

 longer than wide, a good deal narrowed from base to apex, with 

 the constrictions deep, the tubercle pronounced; surface finely, 

 densely punctate, not densely cinereo-pubescent and differing from 

 those described above in being concave medially; elytra much less 

 than one-half wider than the prothorax, between three and four 

 times as long, distinctly tapering throughout; pubescence in less 

 than inner half obvious but very short, decumbent and evenly 

 oblique throughout, almost wanting thence laterally, the punctures 

 very fine and close internally, with some that are slightly larger in 

 great part serial in arrangement basally, becoming notably larger 

 and deep laterally and fine posteriorly; fifth ventral broadly angulate 

 at apex, not impressed or otherwise modified; last dorsal broadly 

 arcuato-truncate, without obvious median emargination or sinus. 

 Length (9) 10.3-11.8 mm. ; width 2.9-3.3 mm. California (Lake 

 Co.) truncatulus n. sp. 



Elytra with the apical truncature very narrow as usual in this part of 

 the subgenus, distinctly less than a third as wide as the elytra at 

 three-fourths from the base; form otherwise nearly similar. Female 

 type rather slender, black, the entire elytra and legs pale brownish- 

 testaceous, the antennae dark rufo-piceous throughout, the basal 

 joint not at all darker, the abdomen deep black, abruptly testaceous 

 behind the third segment; head strongly and densely punctato- 

 rugose, with very moderate eyes, the sides behind them evenly and 

 gently converging; antennae shorter than in the preceding, barely 

 more than half as long as the body; prothorax just visibly elongate, 

 with fine deep separated punctures, feebly conical, deeply bicon- 

 stricted and with a distinct dorsal channel connecting the impressions, 

 the pubescence short, coarse, not dense; elytra very feebly tapering 

 from the gradually more prominent humeri, one-half wider than the 

 prothorax and nearly four times as long, the vestiture as in the 

 preceding, distinct in about internal, almost wholly wanting in 

 external, half; abdomen shining and finely punctate, not densely 

 pubescent; legs slender. Length (9) 9.5 mm.; width 2.7 mm. 

 California (Sta. Cruz Mts.) apiciventris n. sp. 



10 Form more rhomboidal than the two preceding, black, the entire 

 elytra pale and uniform brownish-rufous, the abdomen rufous in 

 the male; legs and antennae wholly ferruginous, the basal joint of 

 the latter scarcely at all darker than the remainder; head punctato- 

 scabrous, with longer and closer pubescence than in the preceding, 

 the eyes small as usual; antennae (of) rather thick, four-fifths as 



