

Zoolojjy which in;iy beh>fijf here (iiR the <*er<'i iiHlicat<')J>ut th#t9|nniii}i 

 arc longer tlisui in tlic speciiiuMis described above and the whole appear- 

 aiiee Jiiul the proportioUH are those of /I./fMtirus. 



Hesiib's tlie eoloratioiial features which «Ustin;;nisli this species from 

 //. riridin, the body is rehitively stouter, the antennae <'oars"r iind 

 sliorter in proportion to the ])ronotuni, the hitter is nioie acutely an^ru 

 hit*' behind (thon^di the ditVerence is but slijjht), the hind femora are 

 8h(»rter and stouter, and the tegmina and wings relatively shorter. 



3. HESPEROTETTIX FESTIVUS, new species. 



(IMatf IV, tig. 10.) 



HesperntHtix riridia Scii>r>F.K:, Hull. V. S. Cool. Siirv. Terr.. II (1870), p. 26'J.— 

 Thomas. Proc I>uv. Acad. .Sc, I ( 1S7«), ]>. 2»;2.— Sci intKH !. Hep. T. 8. Knt 

 C'oiiiiii., II (ISSl), App., !>. 24.— HitUXEU (pars), ibid., Ill (1883). p. ."»!». 



Face varying from green yellow to i)allid yellow, more or less deeply 

 infuscated in the intercostal space bcl«»w the iintennju', tlie frontal costa 

 sulcate throughout exce])ting above, and faintly and distantly punctate 

 with fuscous on the margins; gcnae pallid or greenish pallid except for 

 a short, slender, obli(|ue, blackish strij)e below the eye. Summit of 

 head and dorsum of j)ronotnm butf, greenish buff, rarely green, or oliva- 

 ceous, wjth a median, black-margined, white or pallid stripe, the stripe 

 reduced to a thread on the head, the black etiging ren>aining; on the 

 sides, above the middle, is a more or less irregular black stripe, more 

 interrupted or broken in the fenuile than in the male, extending fr(>ni 

 behind the eyes, where it is reduced to i)ara]lel longitudinal streaks, to 

 the hinder eihfi;e of the prozona, bordered broadly below and above with 

 pallid, above forming a stripe which begins narrowly along tlie upper 

 edge of the eyes and continues also across the metazona, oecupyin<: 

 the position of Literal carinae; excepting for stripes at the median 

 and lateral carinae, the metazona is uniformly buff or rarely green 

 and is very sballowly punctate; both meso- and metajdeura with an 

 oblique, fusiform, pallid stripe, margined more broadlj" in some i)laces 

 than in others with black. Tegmina of about the length of the abdo 

 men, rather dark bluish green, the anal area more or less deeply tinged 

 with l)uff, the discoidal and posterior ulnar veins white, the veinlets 

 impinging on the apical margin distinctly blackish. Fore and middle 

 femora buff, inclining to ferruginous; hind femora buff, but purplish on 

 the outer face and more or less infuscated, the geniculation with a 

 blackish crescent on the outer and inner sides; hind tibiae bluish green. 

 becoming more or less pallid or testaceous distally, the spines white 

 with black tips, the tarsi testaceous or greenish testaceous. Supraanal 

 plate of male triangular, of about ei^ual length and breadth, bioadly 

 rounded ai)ically, with straight and slightly upturned margins, the sur- 

 face with a pair of converging stout elevated ridges, forming a basal 

 triangular pit between them, and in the distal half of the plate beyond 

 the united ridges a slight median sulcus; furcula consisting of a i)air 



