HETERALLACTIS. — BIDUGA. 



539 



1152. Heterallactis euchrysa. 



HctcralJacfis euchrysa, Meyr. Proc. Linn. Soc. N. S. W. (2) i. p. 703 (188()) ; 

 Kirby, Cat. Het. p. 334. 



Head and tegulse golden yellow; palpi and antennae brownisli ; 



thorax purplish brown ; hind 

 legs ochreous ; abdomen fus- 

 cous, the anal tuft ochreous. 

 Pore wing golden yellow, the 

 base purple ; an obliijue purple 

 postmedial band, its inner 

 edge somewhat sinuous and 

 slightly angled on median 

 nervure, its outer edge difi'used. 

 Hind wing fuscous, the costal 



area whitish, with a few rufous androconia on junction of vein 8 



with cell. 



Hah. Queensland, Brisbane, {Tamer) 1 § . E.rp. 20 millim. 



Type t d in Coll. Meyrick. 



Fig. 393. — Heterallactis euchrysa, cJ. 



Genus DIDUGA. 



Type. 



Liduga, Moore, Lep. Ceyl. iii. p. 535 (1887) flavkoatata. 



Androstigma, Hmpsn. 111. Het. ix. p. 82 (18'J3) albicosta. 



Proboscis fully developed ; palpi slender, upturned, and reaching vertex of 

 head ; tibia3 with the spurs long. Fore wing narrow, the costa arched, the 

 apex rounded ; vein 2 Irom middle of cell, curved at base ; 3 from well before 

 angle; 5 froui above angle; from below upper angle ; 7, 8 stalked; 9, 10, 

 11 free, or 11 anastomosing with 12. Hind wing with vein 2 from towards 

 angle of cell; 3, 4 coincident; 5 from near middle of discocellulars ; 6, 7 on 

 a long stalk ; 8 from beyond middle of cell. 



Sect. I. Antenna? bipectinate, with very long fine bi-anches, the apical part 

 serrate. 



1153. Diduga annulata, n. sp. 



c5' . Pale grey-brown. 



Fig. 394. — Biduga annvlata, S. 



Fore wing with the costal edge black 

 towards base ; a point be- 

 low base of cell ; a sub- 

 basal striga from costa ; the 

 antemedial line excurved 

 from below costa to sub- 

 median fold ; traces of a 

 sinuous medial line ; a point 

 on subcostal nervure just 

 beyond middle and an an- 



nulus in lower part of cell ; a larger annulus at lower angle of cell, 

 with a striga on costa above it ; the postmedial line dentate, ex- 

 curved from below costa to vein 3, then oblique and angled inwards 

 in submedian fold ; traces of a curved irregular subtermiual line. 

 Hind wing yellowish white. 



Ha. Sambawa {Doherty), 1 6 type. Exp. 14 millim. 



