PSETJDOSTEREHA. — GrEOHrPSOMA. 641 



5975, Pseudosterrha oranaria. 



Chesias oranaria, Lucas, Expl. Algeria, p. 393, pi. 4. f. 4 (1848) ; Oberth. 

 Et. Ent. xix. p. 38, pi. 6. ff. 40, 41 ; Staud. Cat. Lep. pal. p. 373. 



2 . Head and thorax fuscous brown mixed with grey- white ; 

 abdomen ochreous, whitish irrorated with fuscous brown at base, 

 extremity, and on ventral surface. Fore wing brownish ochreous 

 irrorated with black, the veins, discal and submedian folds strongly 

 streaked with white and defined on each side by black to the 

 postmedial line, which is very oblique from costa just before apex 

 to middle of inner margin, white defined on outer side by black 



Fig. 174. — Pseudosterrha oranaria, 5. |. 



and on inner side also from submedian fold to inner margin ; sub- 

 terminal line white, oblique, arising from apex ; cilia white with tine 

 black lines at base and tips. Hind wing grey sulfused with fuscous 

 black ; the cilia white with black line near base and some black 

 scales at tips ; the underside white irrorated with black-brown, 

 a diff'used black discoidal spot and patch on termen below apex. 



S . Larger : fore wing sometimes tinged with rufous, the streaks 

 on the veins less distinct, the postmedial line finer and slightly 

 incurved below vein 4, the subtermiual line less distinct ; hind 

 wing paler. 



Hah. Alseeia {Mrs. NicIioU), 2 $ , Oran. Exp. S 30, $ 24 

 millim. 



Genus GYROHYPSOMA. 



Type. 

 Gyrohypsoma, Staud. Stett. Ent. Zeit. xlix. p. 47 (1888) sterrha. 



Proboscis fully developed; palpi obliquely upturned, slender, the 2nd 

 joint reaching about to middle of frons, the 3rd short; frons with small 

 rounded corneous process at middle with raised edges, a corneous plate below 

 it ; eyes large, round ; antennse of female ciliated ; thorax clothed almost 

 entirely with scales, the pi-othorax without crest, the inetathorax with depressed 

 crest; tibiae slightly fringed with hair, the fore tibia with claw at extremity 

 on inner side ; abdomen without crests. Fore wing with the apex rounded, 

 the termen evenly curved and not crenulate ; veins 3 and 5 froai near angle of 

 cell ; 6 from upper angle ; 9 from 10 anastomosing with 8 to form the areole ; 

 11 from cell. Hind wing with veins 3, 4 from angle of cell; 5 nearly fully 

 developed from above angle; 6, 7 from upper angle; 8 anastomosing with the 

 cell near base only. 



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