NO. 1124. /,'/; r/s/o.v OF THE MI:L \\OPLI SCUDDER. 305 



94. MELANOPLUS ANGUSTIPENNIS. 

 (Plate XX, tig. 6.) 



Caloptenun angtwtipennis DODGE, Can. Ent., IX (1877), p. 111. BKUNKR, ibid., 

 IX (1877), p. 145. THOMAS, Rep. U. S. Ent. Comm., I (1878), p. 43. BRUXER, 

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



Melanoplm angustipennis BRUNER, Bull. Wasbb. Coll., I (1885), p. 138; Bull. 

 Div. Ent. U. S. Dep. Agric., XIII (1887), p. 11. OSBORN, Proc. Iowa 

 Acad. Sc., I, Pt. ii (1892), p. 118. BRUNER, Bull. Div. Ent. U. S. Dep. Agric., 

 XXVIII (1893), pp. 24-25, fig. 12 : Publ. Nebr. Acad. Sc., Ill (1893), p. 27. 



Of medium size, dark-fuscous. Head feebly prominent, plumbeo- or 

 ferrugineo- testaceous, often mottled with fuscous, above much infus- 

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

 band; vertex gently tumid, slightly elevated above the pronotum, the 

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

 twice as broad as (female) the first antenna! 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 intraocular portion 

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

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

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

 postocular piceous band on the prozona; disk feebly enlarging pos- 

 teriorly, very broadly convex, 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 on the 

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

 margin subtruiicate, 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-cyliudrical, blunt; interspace between mesosternal lobes 

 more than twice as long as broad (male) or quadrate (female), the meta- 

 sternal lobes attingent over a brief space (male) or approximate (female). 

 Teginina 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 infuinated 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 

 supra-anal plate long triangular with broadly upturned basally convex 

 Proc. K M. vol. xx 20 



