OSLARTA. — SrHIDA. 259 



suffused with 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 I'ufous, 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 rhoJoxantha, c5 . \. 



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

 inwardly oblique below vein 4 ; postmedial 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 postmedial line, more distinct on underside. 



Hub. Paraguay (Pouillon), fcypef c? in Coll. Dognin. Exp. 26 

 millim. 



Genus SPHIDA. 



Tvpe. 



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



Proboscis aborted, small ; palpi porrect, extending to just beyond frons, 

 the 2nd joint fringed with long liair below, the 3rd short ; frons with 

 rounded prominence hidden in a tuft of hair ; eyes large, round ; antennas of 

 male bipeetinate with long branches to apex, of female with shorter branches ; 

 thorax clothed with hair only, the prothorax without erest, the metathorax 

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

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

 female very large and flocculent. 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 areole; 11 from cell. Hind win°; 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 only. 



4647. Sphida obliqua. 



Edema obliqua, Wlk. xxxii. 428 (1865) ; Smith, Cat Noct. N. Am. p. 181. 

 Arzama obliquata, 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 erest tipped with 



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