802 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxvi. 



no. MELANOPLUS INFANTILIS Scudder. 



Melminphis hijantiliff Sci-ddek, Proc. Jiost. Soc. Nat. Hist., XX, 1S7!», ])p. (;r>-(i7. 



TiMi nuilcs, eight females, lkil<\vs July 13; Crii)ple Creek July i^(j; 

 Fort CoUin.s August 10; Morrison June 27; Denver ,hily 10. 



III. MELANOPLUS INTERMEDIUS Scudder. 



Melanopln.s intermedins ^cvuDmi, Proc. Aiiier. Pliil. 8(jc., XXXVI, LSilT, \)\k '2i), :',2. 



Twenty males, nineteen females, Montrose August IT; Glenwood ,ji 

 Springs August 18. 



112. MELANOPLUS LAKINUS Scudder. 

 Pezokttix Idkiiiiix S(Ti)])EK, I'roc. Best. Soc. Xa,t. Hist., XX, 1879, pp. 79-80. 

 Six males, four females. Fort Collins, August !>. One pair mating. 



113. MELANOPLUS LATIFERCULA, new species. 

 (Plate LV, tig. 4, Aa.) 



One male from Cumbres, Colorado, August 14. 



A l)raehypteroiis species of small size and very dark fuscous in 

 color; head moderately prominent,, dark fuscous above and on the 

 upper portion of the gen^, elsewhere dark ashen except for a broad 

 piceous postocular band; vertex elevated considerably above the pro- 

 notum, somewhat tumid; interspace between the eyes noticabh^ l)roadt'r 

 than the basal segment of the antenme; frontal costa but slightly 

 broader than the space between the eyes, Avith the margins parallel ; 

 and punctate throughout, very shallowly sulcate at and below the ^ 

 ocellus, just failing to reach the clypeus; ej^es neither large nor prom- 

 inent, a little longer than the infraocular part of the genfe. Antennae >; 

 fuscous, two-thirds as long as the posterior femora. Pronotum sub- > 

 equal, ver}?^ slightly enlarging posteriorly, uniformly dark fuscous 

 except for a broad, slightl}^ broken, postocular stripe which does not j 

 extend on to the metanotum; the disk passes into the perpendicular 

 lateral lobes with an abrupt turn, making the lateral carinse well 

 marked; front border truncate, in no wise flaring to receive the head: 

 posterior border very oljtusel}' angled, the angle rounded; prosternal 

 spine short, erect, subquadrate, and bluntly rounded at the apex; 

 interspace between the niesosternal lobes quadrate, metasternal lobes 

 approximate. Tegmina abbreviate, but little longer than the pronottun. 

 overlapping and apically pointed, immaculately fuscous; fore and mid- 

 dle femora (luite strongly tumid, the anterior ones the more so; hind 

 femora quite stout, dark fuscous except below where they are dark 

 red, with darker geniculations preceded by a pallid band; spines black 

 to the l)ase, ten in num})er in the outer series. Tip of the abdomen 

 scarcely clavate, considerabl}^ upturned, the supraaual plate apically 



