No.a24. R^risiox (tr the MKLASoru—scrnitEU. 71 



\\\aXv iiioileratelj' proiniiuMit. erert, sonicwhat sharply (Mmical as soeii 

 troiii lu'liiutl. 



Ltnjrtli of IxmIv, male, 1.'?.') nini.; antennae, 0.5 nun.: te;rniina. 11.25 

 nini.; hind femora, ^>.5 nun. 



One male. Kort (iiant, (hahani (V)nnty, Arizona (IJ.S.N.M. [ No. l.i]). 



2. AEOLOPLUS ELEGANS, new species. 

 (I'latr V, ti«. »i. ) 



Head pale ftreenish yellow, the vertex deejjer yellow, with a medio- 

 (h)rs;il i)a]e blnish ^re«Mi stripe from the front of tiie fastij^ium l>a«k- 

 waid: antennae i)ale salmon, pallid at base and fuseeseent at tip; 

 tastijuium broadly and very shallowly sulcate thron^ihont; frontal (M>sta 

 rather broader tiian th<^ interspace between the eyes, equal, faintly 

 sulcate below the (M*ellus. Pronotnm very i)ale testaceous with a slight 

 {▼recnish tin«ie, more i)ronojinced on the metazona, with a very broad 

 pale bluish jireen mediodorsal strijie inclosinjif one of j)ale testaceous, 

 and with scmie greenish clouds upon the lateral lobes of the prozona; 

 posterior margin very obtusely annulate, the angle rounded; prozona 

 feeltly transverse with no median carina. Prosternal spine short, con- 

 ical, erect. Tegmina considerably suri)assing the abdomen, exception- 

 ally slender for the genus, with scarcely any subbasal expansion of the 

 costal area, tapering very gradually, the apex well 'rounded, subpel- 

 liicid with greenish yellow veins; wings not much sh«»rter tiian the 

 tegmina. fully twice as long as broad, the veins greenish, faintly infus- 

 cated. Hind fenu>ra <luli luteous, with three transverse fusco-oli vaceous 

 stripes, more or less confluent on the outer face; hind tibiae pale 

 glaucous, the spines x)aler glaucous with black tips. Supraanal i>late 

 of male somewhat distorted in the only specimen seen, but api)areiitly 

 triangular, with slight median emargination of the sides and a shallow 

 basal sulcus, bounded by convergent walls; furcula practically absent; 

 cerci rather stout, tai)ering on the basal half, ecpial and hardly less than 

 half as wide as the base on the apical half, the tip rouiuled and very 

 leebly decurved; subapical tul)ercle of subgenital plate rather promi- 

 nent, large, very bluntly conical. 



Length of body (contracted), male, 18 mm.: antennae, 9 mm.: teg- 

 mina. 17.5 nun.; hind femora, 11 mm. 



One male. Las Cruces, Donna Aiui County, New Mexico, August 8, 

 T. I). A. Cockerell (T.S.N.M. [No. 714]). 



3. AEOLOPLUS REGALIS. 

 (Plate V, fig. 7.) 



Cahptenu8 regalis Dodge, Can. Ent.^ VIII (187()), pp. 11-12.— Urunkij, ibid., IX 

 (1S77), p. 145.— Thomas, Kep. U. S. Eut. Coinin., I (1878), p. 43.— Biuxer, 

 ibi<l., Ill (18S3\ ]). 60. 



Melauopliis rei/aJis Bruxer. Piibl. Xebr. Acad. .Sc, III (1893), p. 28. 



Head yellow, more or less deeply tinged with testaceous, marked 

 with a dark bluish green median stripe extending from the front of 



