OSLARIA. — SPHIDA. 259 



suffused witli rufous, the palpi browner ; pectus and legs tinged 

 with rufous. Fore wing yellow ; the basal costal area and the 

 inner side of antemedial line suffused with rufous, the terminal 

 area purplish pink; antemedial line rufous, angled outwards below 

 costa, very oblique to submedian fold where it is acutely angled, 

 then very oblique to inner margin near base and emitting a streak 

 on its inner side on vein 1 ; stigmata absent ; a faint rufous medial 



Fig. 105. — Oslaria rhodoxanfha, c5'- r- 



line, oblique from costa to beyond the cell where it is diffused, 

 inwardly oblique below vein 4 ; postraedial line double, the inner 

 line strong, purplish pink, the outer line indistinct, excurved below 

 costa, at middle and above inner margin and slightly angled 

 inwards at discal and submedian folds, with traces of a curved 

 subterminal line just beyond it ; a fine purplish terminal line. 

 Hind wing yellow, the veins and terminal area tinged with pink; 

 an indistinct curved ])ostmedial line, more distinct on underside. 



Hub. PiKAauAT {Fouillon), type t cf in Coll. Dognin. Exp. 26 

 millim. 



Genus SPHIDA. 



Type. 



Spkida, Grote, Bail. U.S. Geol. Geog. Surv. Terr. iv. p. 179 (1878). . . obliqua. 



Proboscis aborted, sni.ill ; palpi porrect, extending to just beyond frons, 

 the 2iid joint fringed with long hair below, the 3rd short ; frons with 

 rounded prominence iiidden in a tuft of hair ; eye.s large, round ; antennte of 

 male bipectinate with long branches to apex, of female witii sliorter branches ; 

 thorax clothed with hair only, the prothorax without crest, the meiathorax 

 with spreading crest cut off squarely behind; tibire fringed with long hair; 

 abdomen with some rough hair at base, but without crests, the anal tuft of 

 female very hirge and tlocculent. Fore wing with the apex somewhat pro- 

 duced and acute, the termen evenly curved and not crenulate ; veins 3 and 5 

 from near angle of cell ; 6 from upper angle ; 9 from 10 anastomosing with 

 8 to form the areola; 11 from cell. Hmd wing with veins 3, 4 from angle 

 of cell ; 5 obsolescent from middle of discocellulars; 6, 7 from upper angle ; 

 8 anastomosing with the cell near base ordy. 



4647. Spliida obliqua. 



Edema oUlqua, Wlk. xxxii. 428 (18(>f)) ; Smith. Cat Noct. N. Am. p. 181. 

 Arzama ohliquata, Grote & Rob. Trans. Am. Ent. Soc. i. p. 339, pi. 6. 

 f. 47 (1868). 



Head, thorax, and abdomen pale grey slightly tinged with red- 

 brown, especially on head, the metathoracic crest tipped with 



