CHALCOSHDJS. 45 



CHALCOSIA aiTADRIFASCIATA (Plate 96, Fig. 5,^). 



Male : forewing greyish metallic-green, witli broad black interspaces between 

 the veins externally ; a transverse medial angulated yellowish-wliite band, the lower 

 base of the wing also yellowish-white : hindwing greyish-blue, with a broad yellowish- 

 white angulated transverse band extending from costa obliquely below the apex; 

 interspaces between the external veins black. Body metallic-green. 



Expanse If inch. 



CHALCOSIA VENOSA (Plate 97, Fia. 2, 2a, ^J ? ). 

 Chalcosia venosa, Walker, Catal. Lep. Het. B. M. ii. p. 422 (1851). 



Male. Yellowish-white : forewing with the apical area, the base of costal border 

 and a broad irregular oblique antemedial band extending across middle of the cell 

 and disc to submedian vein brilliant golden-green, with a blue-bordered black inter- 

 vening streak between the veins : hindwing with a metallic blue-black marginal band 

 with crenulated inner border. Female : forewing with the apical and medial irregular 

 band somewhat narrower, thus leaving a broader transverse oblique discal space ; 

 apical band traversed by a narrow yellowish-white streak : hindwing with a black 

 upper apical spot and a very indistinct smaller lower spot. Thorax and palpi steel- 

 blue ; abdomen cupreous-brown above, yellowish beneath ; legs yellowish beneath, 

 bluish above ; collar and head above carmine, antennEe steel-blue. 



Expanse, i 1^, ? If inch. 



CHALCOSIA SIMILATA (Plate 97, Pig. 3, 3a, g ? ). 



Allied to G. venosa. Male differs on forewing in having a broader pale yellow 

 transverse medial discal area, pale yellow spots traversing the apical band, and the 

 antemedial band broken. On the hindwing the marginal border is somewhat broader. 

 Female differs from same sex of G. venosa in having the antemedial band represented 

 by a small spot within the cell and a geminated lower spot. On the hindwing the 

 two apical spots are of the same si2?e. 



Expanse, c? ? 1|- inch. 



CHALCOSIA AFFINIS (Plate 98, Fig. 2,^). 

 Gynautocera affinis, Guer, Meneville, Delesserts, Voy. Ind. p. 86, pi. 24, f. 2 (1843). 

 Male and female : forewing golden-green, crossed by a pale yellow angular 

 medial band, the posterior and anterior areas streaked with blue-black between the 

 veins ; two minute yellowish upper apical spots, and two similar lower apical spots : 

 hindwing pale yellow, with a blue-black apical band. Thorax cupreous ; abdomen 

 blue or greenish-cupreous ; collar and top of head carmine ; antennee blue ; legs 

 yellow beneath, blue above. 



Expanse, c? If, ? 2 inches. 



