CHALCOSIA. 265 



563. Chalcosia idseoid.es, Herr.-Schaffer, Samml. anssereur. Sehmett. 



p. 78, pi. i, fig. 6. 

 Chalcosia albata, Moore, P. Z. S. 1879, p. 390 ; C. $ S. no. 408. 

 Chalcosia pectinicornis, Wlk. Cat. n, p. 420 {nee Linn.) ; C. fy S. 



no. 411 (part.). 



Antennae metallic blue ; frons blue ; vertex of bead black ; head 

 and collar crimson, the latter with two blue spots ; thorax and ab- 

 domen blue-green. Fore wing with the basal half blue-green, 

 sometimes white, leaving two medial spots, the median vein, and 

 veins 1 b and c where they cross it whitish ; this blue-green area 

 terminates in three black spots, one in the cell and two below 

 it, and is followed by a broad white band from the centre of the 

 costa to near the outer angle ; apical and marginal areas black, the 

 veins metallic green ; a subapical band of white spots in the inter- 

 spaces. Hind wing pure white, with a black apical marginal band 

 crossed by the metallic blue veins. 



Hab. N.W. Himalayas ; Nepal ; Assam. Exp., S 60-68, 2 

 68 millim. 



564. Chalcosia argentata, Moore, Lep. Atk. p. 17; C. 8? S. no. 409. 

 Chalcosia diana, Butt. P. Z. S. 1877, p. 815. 



Differs from idceoides in the hind wing being pale yellow ; the 

 marginal band sometimes entirely shot with blue; the fore wing 

 sometimes has the basal area blue-green, sometimes white as in 

 idceoides. 



Hab. Formosa ; N.W. and E. Himalayas ; Khasis. Exp., $ 

 60, $ 72 millim. 



565. Chalcosia adalifa, Doubl. A. M. N. H. xix. 1847, p. 76; C. $■ S. 



no. 406 ; Butt. III. Het. v, pi. 83. fig. 5. 



2 • Differs from argentata in the blue-green patch below the 

 cell of the fore wing being absent and replaced by three blue spots 

 nearer the outer margin, two in the interno-median interspace, 

 and one between veins 2 and 3. Underside of hind wing bright 

 yellow, except the costa, apex, and apical part of margin. 



Hab. Khasi Hills. Exp. 64 millim. 



566. Chalcosia myrrhina, Hmpsn. III. Het. ix, ined., pi. 157, 

 fig. 14. 



S • Differs from argentata in the white of the fore wing not 

 being silvery ; the streak from the base being along the costa ; the 

 patches in and below the cell being joined and shot with copper ; 

 the apical area purplish coppery, with the spots of the subapical 

 band small. Hind wing uniform pale yellow, with two black sub- 

 apical spots. 



Hab. Pundaloya, Ceylon. Exp. 40 millim. 



