PSECTKAGLJEA. XANIHOLETJCA. 



441 



brown or nearly uniformly sufFused with dark brown ; a fine brown 

 terminal line ; cilia ochreous or dark brown ; tbe underside ochreous 

 suffused with brown especiall)- on the veins and costal area, or 

 uniformly suffused with dark brown. 



Hab. Tristan da Cunha, 3 S type. Exp. 38-46 millim. 



Genus XANTHOLEUCA. 



Type. 



Hoporina, Blanch. Brulle, Hist. Nat. Ins. iii. p. 513 (1840) ; 



Boisd. Ind. Meth. p. 147 (1840) croceago. 



Lampetia, Ciu-tis, Guide Brit. Ins. p. 85 (1830), non descr. (nee 



Staph. 1829) ; id. Entom. Mag. i. p. 189 (1833) croceago. 



Xantholeiwa, Steph. 111. Brit. Ent., Haust. iii. pp. 67, 329, 333 



(1831) croceago. 



Proboscis fully developed ; palpi thickly fringed with hair abore and below, 

 the 2nd joint obliquely porrect, the 3rd rather downcurved and forming a beak 

 extending well beyond the large frontal tuft : eyes rather .small, rounded ; 

 antenna of male ciliated ; head and thorax clothed with hair and hair-like 

 scales, the tegulte produced to a slight dorsal ridge, the prothorax with large 

 triangular crest ; pectus clothed with long hair ; abdomen broadly flattened, 

 with some rough hair at base and lateral fringes of hair but without crests. 

 Fore wing with the apex somewhat produced and acute, the termen evenly 

 curved ; 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 subterrainal line incurved at discal fold ; 



hind wing not tinged with pink croceago. 



B. Fore wing with the subterminal line angled inwards at discal 



fold ; hind wing tinged with pink sericecc. 



2648. Xantholeuca croceago. 



Noctua croceago, Schiff. Wien. Verz. p. 86(1776) ; Fabr. Mant. Ins. ii. p. 159 



(1787); Hiibn. Eur. Schmett,, Noct. f. 189; Dup. Lep. Fr., Suppl. vii. 



p. 447, pi. 128. f. 1 ; Frr. Neue Beitr. vi. pi. 586 ; Steph. 111. Brit. Ent., 



Haust. iii. p. 67 ; Stand. Cat. Lep. pal. p. 208. 

 PhcdcBna cmrantiago, Don. Nat. Hist. Brit. Ins. v. pi. 160 (1796). 

 Noctua fidvago, Esp. Schmett. iv. pi. 176. £f. 3, 4(1791); Hiibn. Beitr. 



Ges. Schmett. i. p. 12, pi. i. f. F (nee Linn.). 

 Hoporina Corsica, Mab. Ann. Soc. Ent. Fr. 1867, p. 641. 



Head and thorax orange-red, the head and tegulge mixed with 

 brown, the patagia sometimes with some dark scales on upjier edge; 

 pectus with some yellowish hair ; abdomen white tinged with 

 yellow except at base, and slightly irr orated with red and with faint 

 dorsal bands. Fore wing orange, thickly irrorated with fiery red, 

 the costa with series of small white streaks to postmedial line ; 

 subbasal line indistinct, brownish slightly defined by yellow on outer 

 side, curved, from costa to submedian fold ; antemedial line 

 indistinct, brownish defined by yellow on inner side, witli dark 

 points on it at median nervure, submedian fold, and on vein 1, 

 angled inwards in cell and outwards in submedian fold ; claviform 

 absent: orbicular and reniform with reddish centres and yellowish 



