NO. 1124. nHVfsioy OF THE MELA s<)Pi.i—scnnn:i:. 305 



94. MELANOPLUS ANGUSTIPENNIS. 



(Plate XX, fi«. 6.) 



Caloptenns angiiHlipenniH Dodgk, Can. Eut., IX (1877), \t. 111. — Biu'NKK, ibid.. 

 IX (1M77), p. 145,— Thomas, Rep. U. S, Knt, Conini,, I ( 1878), p. 4:5.— Hkinkk, 

 ibid,, III (1883), p. 60. 



MelanoplH>i anffustipainis Uruxer, IJull. Washh. Coll., I (1885), p. 1M8; Hull. 

 Div, Ent. r. S. Dep. Agrii-.. XIII (1S87), p. 11.— Osboux, I'lor. Iowa 

 Arad. Sc, I. Pt. II (1892), p. 118.— Bisi nku. Bull. Div. Eut, U. S, Dep, Agiic, 

 XXV^III ( 189:?), pp. 24-2.5, rtg. 12 : Publ. Nebr, Acad. 8c., Ill (1893), p. 27. 



Of medium size, (liuk-fuseous. Head feebly prominent, plumbeo- or 

 feiTUo;iiieo testaceous, often mottled with fuscous, above much infus- 

 cated, except at the margins of the eyes, and with a postocuhir piceous 

 baud; vertex gently tumid, sliglitly elevated above the pronotuni, the 

 interspace between the eyes considerably broader than (male) or nearly 

 twice as broad as (female) the tirst antenual joint; fastigium strongly 

 declivent, distinctly (male) or feebly (female) sulcate throughout; 

 frontal costa equal, percurrent, as broad as the interspace between the 

 eyes, faintly sulcate at and below the ocellus, biseriately punctate; 

 eyes moderately large and prominent, as long as the infraocular portion 

 of the genae; antennae fulvous, about live sixths (male) or two-thirds 

 (female) as long as the hind femora. Pronotum dark fuscous, lighter on 

 the lateral lobes, with a subluteous nuMlian streak, bordering a broad 

 postocular piceous band on the prozona; disk feebly enlarging i)os- 

 teriorl3% very broadly c(mvex, passing into the vertical lateral lobes by a 

 roundly angulated shoulder, forming tolerably distinct lateral carinae 

 on the posterior half of the pronotum; median carina distinct tm the 

 metazona, obsolete (male) or subobsolete (female) on the prozona; front 

 margin subtruucate, hind margin obtusangulate; prozona longitudinal 

 (male) or quadrate (female), distinctly (male) or scarcely (female) longer 

 than the closely punctate metazona. Prosternal spine not very long, 

 erect, conico-cylindrical, blunt; interspace between mesosternal lobes 

 ujore than twice as long as broad (male) or (piadrate (female), the meta- 

 sternal lobes attingent over a brief space (male) or api>roximate (female). 

 Tegmma reaching or slightly surpassing the tips of the hind femora, 

 slender, tapering, brownish-fuscous, immaculate or with very obscure 

 and feeble maculation along the middle line; wings moderately narrow, 

 hyaline, iridescent, with relatively few dark veins and these not so 

 dark as usual. Fore and middle femora distinctly but not greatly tumid 

 in the male; hind femora olivaceo-luteous, more or less infumated or 

 infuscated excepting below, the inner half of the upper face feebly 

 bifasciate with fuscous, and the geniculation more or less infuscated; 

 hind tibiae glaucous, apically growing feebly lutescent, the spines black 

 apically, pallid basally, nine to twelve in number in the outer series. 

 Extremity of male abdomen a little clavate but scarcely recurved, the 

 supraanal plate long triangular with broadly upturned basally convex 

 Proc. X. M. vol. XX 20 



