148 rnocEEDTxas OF THE x.iTrox.ir ^rrs!:^^r. vnL.xx 



lienjjtli of body, male, 21 mm.; luiteimae, !► mm.; tejjmiiia, 10.."> mm.; 

 hind fiMiioiii, 12 mm. 



Three males. Silver City, (Iraiit Ccmnty, New Mexico, ( U.S.X.M. — 

 Hiiey collection); Fort (irant, (iraliam County, Arizona (same;; aii<l 

 Fort Whipple, Yavapai Comity, Arizona, Palmer. 



6. MELANOPLUS FLABELLIFER. 

 (Plate X. tijr. 6.) 



Mehinoplus tfahellifer ScvDUKiil, Proc. Host. Si>c. Nat. Hist.. XX (1^79), pp. 68-6(t: 

 Cent. Ortli. (IHTJt). pp. r»7-r)H.— Hiuxkk, K'ep. V. S. Knt. Coniiii ,111 (1hk:{), 

 \K «;i ; Bull. Wa-shl). Coll., I (1886), p. 2(X); Publ. Nebr. Acad. Sc., Ill (189;^). 

 p. 'JX. 



MelaiiojihiH octidentalia TowxsendI, Ins. Life, VI (1893), p. 31. 



Of rather small size. Head scarcely elevated, well arched; inter- 

 81)ace between the eyes rather broader than the first Joint of the 

 antennae, the fastij^ium faintly subspatnlate, pretty deep, with abrnjjt 

 but blunt, rounded walls; frontal costa narrower than the interspace 

 between the eyes, slijj^htly contracted above and very sli<ihtly ju-^t 

 below the ocellus; otherwise scarcely eular«;ing- from above downward, 

 scarcely depressed above the ocellus, strongly sulcate at and below the 

 same; eyes neither large nor veiy prominent; antennae pale castaneous, 

 l>aler at base, about three-fourths (male) or less tiian two-thirds 

 (female) as long as the hind femora. Prouotum rather simple, the 

 uu'tazona expanding somewhat, the unequal halves of the prozona each 

 slightly tumid laterally, and as a whole slightly expanding anteriorly; 

 front margin feebly sinuate, hind margin roundly obtusangulate; 

 median carina nearly obsolete between the sulci, but otherwise nearly 

 equal; transverse sulci of the prozona pretty distinct, the posterior 

 severing the median carina; metazona scarcely punctate; prozona sub- 

 (juadrate, slightly longer than the metazona, or, in the female, some 

 tinjes subequal. Prosteriuil spine short, stout, appressed conical, very 

 blunt tipped, hardly retrorse; interspace between the mesosternal 

 lobes subquadrate, a little longer than broad (male) or transverse 

 (female). Tegmina reaching (female) or slightly suri)assing (nuile) the 

 tip of the hind femora, not very slender, subequal. Supraanal plate of 

 male triangular, bluntly pointed, the sides a little convex, rather longer 

 than broad; furcula formed of distinct, pointed, trianguLir teeth; cerci 

 large, tlabellate, upturned, twice as long as the mean breadth, tapering 

 but little, the extremity broadly rounded ; subgenital plate prow-shaped, 

 straight, ending in a blunt conical projection. 



The general color is cinereo-i)lumbeous, the head and pronotum dusky 

 above, with the usual black belt behind the eye, extending over the 

 prozona. Tegmina dark fuscous, especially at base, sprinkled with 

 dusky spots; wings hyaline, sometimes with a feeble bluish tinge, the 

 anterior venation dusky. Hind femora livid brown <m the outer face, 

 heavily marked with rufo-fuscous in obli(iue bauds, orange beneath; 



