PTRALIDuT:. 259 



Genus ORTHAGA. 



Orthagn, "Walker, Catal. Lep. Het. B. M. xvi. p. 191 (1858) ; id. xxvii. p. 103 (1863). 



Male. Forewing moderately short and broad, exterior margin slightly oblique ; 

 cell extending about one-half the length ; subcostals swollen towards the middle and 

 accompanied by a swollen glandular pouch between them and the costa ; first sub- 

 costal emitted at one-fifth before end of the cell, second and third from the end, 

 third trifid ; discocellular deeply concave, radials from near the middle and extreme 

 lower end ; middle median close to the end, lower at one-sixth ; submedian curved 

 near the base: hindwing short, broad, apex convex; cell two-fifths the length, 

 broad ; two subcostals from end of the cell ; discocellular concave, lower end very 

 oblique and long ; radial and upper median from the extended end of the cell, middle 

 median from close to the end, lower at nearly one-third ; submedian and two internal 

 veins recurved. 



Body rather stout ; head tufted above ; labial palpi ascending, curved upwai'd 

 close to the head, reaching to level of the vertex, squamous, broad across the front, 

 third joint lanceolate ; maxillary palpi short, pilose ; proboscis thick and pubescent 

 at the base ; antennte finely ciliated ; legs stout, laxly squamous, spurs long ; tibio3 

 slightly pilose beneath. 



Female : forewing with the subcostals not swollen, and no costal glandular 

 pouch. 



Tijpe, 0. Euadrusalis. 



ORTHAGA EUADRUSALIS (Plate 178, Fig. 2, 2a cJ ? , 25 larva). 

 Orthaga Euadrusalis, Walker, Catal. Lep. Het. B. M. xvi. p. 191 (1858), ?. 



Male. Forewing olivaceous brownish-ochreous, tinged with vinous-brown at the 

 apex, very sparsely black speckled ; crossed by a black-speckled broken zigzag 

 antemedial line, and a postmedial outwardly-curved denticulated line which is 

 broadest towards the costa, followed by a marginal row of black lunules ; below the 

 apex is a black-speckled streak ; a black-speckled lunule at end of the cell, and a 

 spot at base of the wing : hindwing pale cinereous-brown, tinged with vinous-brown. 

 Cilia pale brownish-ochreous, with black spots. Body brownish-ochreous ; abdomen 

 speckled with dark brown ; tibice and tarsi with black bands above. 



Female : forewing with the basal and upper discal area whitish, the transverse 

 antemedial and postmedial black-speckled lines less defined. 



Expanse, c? Ito, ? 1 iT) inch. 



Larva somewhat slender, pale purplish-brown ; with a subdorsal row of blackish 

 dots, a prominent lateral line, and slight sublateral streaks ; head with some black 

 marks. Pupa red. Cocoon broad, oval ; surface granular, pale brown. 



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