so im. REVISIOS OF THE MELANOPLI-SCrDDER. 63 



pnjzona plainly tliougli feebly, spau \\ and rather coarsely punctate, 

 the mctazona closely jmnctate. Tegnuua rather long ovate, nearly 

 twice as long as broad, and scarcely shorter than or at least three- 

 quarters as long a: Jie pronotuni, green. Hind femora green, the 

 outer half of the ipper surface ruddy, the under surface and the 

 carina beneath the outer tiehl luteous; hind tibiae green, the sjunes 

 pale green with black tips. Abdomen green, becoming darker al)ove, 

 the carina marked heavily with yellow and margined with blackish 



;:rcen. 



Length of body, female, 23 mm. : antennae, 7.75 mm. ; tegmina, 6 mm. ; 

 liiud femora, 12.5 mm. 



Two females. Colorado, Morrison (T.S.N.M. [So. 710]: L. Bruner). 



Of the long-winged forms, this species most resembles II. /est ir us, 

 but is easily distinguished from it, apart from the great difference in 

 the tegmimi. 



6. HESPEROTETTIX BREVIPENNIS. 

 (Plate V, lig. 2.) 



Ommaiolanqris breripinnis Thomas I. linll. U. S. (Jeol. .Siirv. Terr., I, No. 2 (1874), 



Ist Ser., p. ()7. 

 Haperofetfix liridis Thler (pars), l>\ill. V. S. (Jeol. Snrv, Terr., Ill (1877), p. 795. — 



Morse!, Psyche, VI (1892), p. 202; ATI (1894), p. 10(3. 



Head pea green, fusco-punctate in front, with a short blackish stripe 

 below the eyes, behind the pallid callosity; streaks of dark green pass 

 backward from the eye, and the vertex has a slender, mediodorsal fus- 

 cous stripe, narrowing anteriorly and ending at the base of the fastig- 

 iuiii in a round blackish spot; antennae pale ferruginous, slightly 

 iutuscated apically. Prouotum shaped as in H. ptatensis., pea green, 

 wild a moderately broad, bright ferruginous, obscurely fuscous, mar- 

 gined, mediodorsal stripe, generally broader in the feriale than in the 

 male; and above the middle of the lateral lobes, but not reaching the 

 front margin nor passing beyond the prozona, a blackish fuscous bar, 

 sha»ply ("^limited below, fading out above, bordered beneath and some- 

 times interrupted jwsteriorly above with i)allid ; sides of the body gieen 

 except that the metapleura have an oblique pallid stripe, bordered on 

 ti>o u]»^ -^ posterior and lower anterior sides with black. Tegmina con- 

 c^rably shorter than 3 abdomen in both sexes, but particularly in 

 die female, the anal area and a little more than that ferruginous, its upper 

 lii.iiit sometimes infuscated, the remainder pea green. Femora almost 

 precisely as in H.pratensis; hind tibiae varying from pea green to pale 

 bluish green, the spines pale on basal, black on apical half; hind tarsi 

 concolorous with tibiae or sometimes a little yellower. Supraanal jdate 

 ot male triangular, with straight sides and rounded subacute apex, 

 about as long as broad, with a broad and rather high tectate ridge 

 parallel to the margins, inclosing a deep, basaily broad, triangular sul- 

 cus; furcula consisting of a pair of slightly projecting, moderate sized, 



