152 VRncEinisns of thi: y.iTrny.tr MrsKr.u. vouxx. 



liitluT short ami shImmiiuiI, faintly <*oiistricte(l iiu'sially, nunf or less 

 faintly piiiirtate with fuscous al>ovf, th«» lati'ial lobes with a broad 

 ]>ic<'oiis belt crossing;" the prozoiia abovis and sonietinu'S continued across 

 the incta/.oiia, but usually ol»solete or subobsolcte there, s«>nictin»cs 

 fadinj::, soinctiiucs sharply defined below, tin* lower portion of tlu' lobes 

 usually lighter <*olored than elsewhen*, repeating the color of the genae; 

 front margin aubtruncate, hind margin very broadly rotundato-angu- 

 late, in some females with no sign of angulation but very broadly 

 convex; median carina percurrent but geiu»rally feebler on the i)ro/.ona; 

 lateral carinae nnirked by a distinct though rounded angle: luo/.ona 

 distinctly longitudinal (male; or sulxpuulrate (female), one fourth to 

 one-third longer than the closely punctate metazona. Prosternal spine 

 short (female) or very short (male), conical, erect; intersi)ace between 

 the mesosternal lobes nearly twice as long as broad (male) or slightly 

 hmger than broad (female). Tegmina ovate, well rounded, much less 

 than twice as long as broad, rather shorter than the pronotum, brown- 

 ish fuscous, generally cinereous in the anal field, lliiul femora fusco- 

 ferruginous or fusco testaceous, twice banded rather obliijuely with 

 black, which is continent on the lower half of the outer face, so as to leave 

 above a large basal and median patch of the lighter color; the lower 

 face is reddish, and the genicular arc fuscous; hind tibiae glaucous, 

 often mottled or suffused with luteous toward the base, and generally 

 with a basal anulus of the same, the spines black in their ajucal ludf, 

 ten to twelve in number in the outer series. E.vtrennty of male abdo- 

 men oblong clavate, well rounded, well ui)turned, the supraanal jdate 

 triangular with slightly convex sides and rectangulate apex, the median 

 sulcus slender, not very deep, and percurrent, bcumded by sharp 

 but not very high walls; furcula consisting of a pair of elongate, 

 slender, parallel, straight denticulatious or lingers as long as the last 

 dorsal segment, resting outside the ridges of the supraanal plate; 

 cerci enlprging slightly at the base, then gradually enlarging in the 

 basal half, beyond equal, ai>ically well rounded, the whole forming a 

 broad, much imturved and slightly tonpieate ])late, whose apical half 

 is so deei)ly sulcate that its longitudinal halves are nearly at right 

 angles; infracercal plates concealed; subgenital plate broad, fully as 

 broad as long, the lateral margins abruptly elevated a little apically, 

 but not prolonged posteriorly, the apical margin strongly rounded, 

 entire. 



Length of body, male, 17 mm., female, 20 mm.; antennae, male, 

 mm., female, G mm.; tegmina, male, 3 mm., female, 4.25 mm.; hind 

 femora, male, 10 mm., female, 11 mm. 



Six males, 17 females. Yuba County, California (L. Ihuuer); Moun 

 tains near Lake Talioe, Placer County, California, October, Henshaw, 

 AVheeier's expedition, 187G; Kern County, California, October {U.S. 

 N.M,); Kern County, California, Coquillett (T.S.N.M. — Kiley collec 

 tion); Los Angeles Couuty, California, May, September, Coquillett 

 (same). 



