412 JfOCTUlD.E. 



4091. Acopa perpallida. (Plate CXXXII. fig. 30.) 



AcojM perpallida, Gvote, Cm. Ent. x. p. 68 (1878); SiuiLb, Cut. Noct. 

 In . Aiu. p. 264. 



J. Head and thorax white faintly tinged in parts with ochreous 

 brown and irrorated with some dark hrown ; legs tinged with 

 ochreous brown ; abdomen white dorsall}- tinged with ochreous 

 brown. Fore wing white, the basal inner area and the medial 

 area below the cell tinged with brownish ochreous, the veins slightly 

 streaked with brown ; subbasal line indistinct, yellow-brown, 

 strongly angled outwards below cell and ending at vein 1 ; ante- 

 medial line j^ellow-brown, strongly angled outwards in cell, 

 submedian fold, and above inner margin and inwards on median 

 nervure and vein 1 ; claviform and orbicular absent ; reniform 

 rather indistinctlj^ defined by brown and with some brown in 

 centre ; postmedial line brown, minutely waved, oblique from costa 

 to above vein 5, then inwardly oblique, an oblique dark shade from 

 costa beyond it meeting it at vein 6 ; a diffused oblique subterminal 

 brown band except towards costa ; a terminal series of brown strise ; 

 cilia white with a few brown scales at base and faint line near 

 base. Hind wing white slightly irrorated with brown, a slight 

 brown terminal Inie. Underside of fore wing mostly suffused with 

 brown ; hind wing with small brown discoid al lunule and traces of 

 diffused postmedial bar from costa to vein 6. 



Ilao. "U.S.A., Kansas (Snow), 2 J type. Ex2J. 32 millim. 



Genus ACOSMETIA. 



Type. 



Acosmefia, St.epb. 111. Ei-it. Ent., Haust. iii. p. 121 (1829) ccdiginosa. 



Hydrilla, Eoisd. Gen. et Ind. Meth. p. 138 (1840) caliginosa. 



Proboscis fully developed ; palpi uptiired, tlie 2nd joint reacbing about to 

 middle of fronsatid moderately sealed, the 3rd moderate ; frons with small rounded 

 prominence ; eyes large, round ; antennse of male ciliated ; thorax clothed 

 with hair and scales mixed and without crests; build slender; tibia3 slightly 

 fi'inged with hair ; abdomen without crests. Fore wing typically short and 

 broad, the apex rounded, 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 wing with veins 3, 4 from 

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

 upper angle ; 8 anastomosing with the cell near base only. 



A. Fore wing with the lines double tenuipennis. 



13. Fore wing with tlie lines single. 



a. Hind wing grey tinged with red-brown ccdiginosa. 



b. Hind wing pure white aricla. 



4092. Acosmetia tenuipennis, n. sp. (Plate CXXXIII. fig. 1.) 



J . Head, thorax, and abdomen purplish grey mixed with reddish 

 brown. Fore wing rather narrow, purplish grey suffused and 

 irrorated with reddish brown ; antemedial line indistinctly double 

 tilled in with grey, slightly angled outwards on subcostal and 



